[INFO] fetching crate roundabout 0.2.0...
[INFO] testing roundabout-0.2.0 against 1.76.0 for beta-1.77-3
[INFO] extracting crate roundabout 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate roundabout 0.2.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roundabout 0.2.0
[INFO] finished tweaking crates.io crate roundabout 0.2.0
[INFO] tweaked toml for crates.io crate roundabout 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate roundabout 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded cast v0.2.6
[INFO] [stderr]   Downloaded indexmap v1.6.2
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.1
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded ctrlc v3.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59ab34511d1eef4361a55d5f183464cda8452a90be957300a1fc51c0d2d910c6
[INFO] running `Command { std: "docker" "start" "-a" "59ab34511d1eef4361a55d5f183464cda8452a90be957300a1fc51c0d2d910c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ab34511d1eef4361a55d5f183464cda8452a90be957300a1fc51c0d2d910c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ab34511d1eef4361a55d5f183464cda8452a90be957300a1fc51c0d2d910c6", kill_on_drop: false }`
[INFO] [stdout] 59ab34511d1eef4361a55d5f183464cda8452a90be957300a1fc51c0d2d910c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93a4db4a14ec21a14abf2c2c8dee0f4fba90865feef8a7d9756f6c6cbc973c88
[INFO] running `Command { std: "docker" "start" "-a" "93a4db4a14ec21a14abf2c2c8dee0f4fba90865feef8a7d9756f6c6cbc973c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling roundabout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "93a4db4a14ec21a14abf2c2c8dee0f4fba90865feef8a7d9756f6c6cbc973c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a4db4a14ec21a14abf2c2c8dee0f4fba90865feef8a7d9756f6c6cbc973c88", kill_on_drop: false }`
[INFO] [stdout] 93a4db4a14ec21a14abf2c2c8dee0f4fba90865feef8a7d9756f6c6cbc973c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa9799bda6a5f255b0d465f29be7a61a412fe2e52f8ae84712e1b8f5ab1da14b
[INFO] running `Command { std: "docker" "start" "-a" "aa9799bda6a5f255b0d465f29be7a61a412fe2e52f8ae84712e1b8f5ab1da14b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling roundabout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.77s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aa9799bda6a5f255b0d465f29be7a61a412fe2e52f8ae84712e1b8f5ab1da14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9799bda6a5f255b0d465f29be7a61a412fe2e52f8ae84712e1b8f5ab1da14b", kill_on_drop: false }`
[INFO] [stdout] aa9799bda6a5f255b0d465f29be7a61a412fe2e52f8ae84712e1b8f5ab1da14b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95869f9138fdb9e8646a1e57ab6a6cdaa268a667c4781992326c06ea4a7b6e34
[INFO] running `Command { std: "docker" "start" "-a" "95869f9138fdb9e8646a1e57ab6a6cdaa268a667c4781992326c06ea4a7b6e34", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `HashSet` is never used
[INFO] [stderr]  --> src/util.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `IndexMap` is never used
[INFO] [stderr]  --> src/util.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_fn` is never used
[INFO] [stderr]   --> src/util/triple.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stderr]    | ------------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_default` is never used
[INFO] [stderr]   --> src/util/triple.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stderr]    | ----------------------------------------- associated function in this implementation
[INFO] [stderr] 48 |     #[inline]
[INFO] [stderr] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_clone` is never used
[INFO] [stderr]   --> src/util/triple.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stderr]    | --------------------------------------- associated function in this implementation
[INFO] [stderr] 55 |     #[inline]
[INFO] [stderr] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `roundabout` (lib) generated 5 warnings
[INFO] [stderr] warning: `roundabout` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roundabout-8a33c18594b4ed83)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test message::bus::tests::sequential_message_bus ... ok
[INFO] [stdout] test message::bus::tests::tail_padding_message_bus_sender ... ok
[INFO] [stdout] test message::bus::tests::drop_message_bus ... ok
[INFO] [stdout] test message::bus::tests::empty_message_bus ... ok
[INFO] [stdout] test message::test::aligned_size_of ... ok
[INFO] [stderr]    Doc-tests roundabout
[INFO] [stdout] test message::bus::tests::concurrent_message_bus ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95869f9138fdb9e8646a1e57ab6a6cdaa268a667c4781992326c06ea4a7b6e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95869f9138fdb9e8646a1e57ab6a6cdaa268a667c4781992326c06ea4a7b6e34", kill_on_drop: false }`
[INFO] [stdout] 95869f9138fdb9e8646a1e57ab6a6cdaa268a667c4781992326c06ea4a7b6e34
[INFO] testing roundabout-0.2.0 against beta-2024-02-18 for beta-1.77-3
[INFO] extracting crate roundabout 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate roundabout 0.2.0 on toolchain beta-2024-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roundabout 0.2.0
[INFO] finished tweaking crates.io crate roundabout 0.2.0
[INFO] tweaked toml for crates.io crate roundabout 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate roundabout 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c7c3f93a4719183a94767d25a8582615721a97a01359c18f3ddba019592258
[INFO] running `Command { std: "docker" "start" "-a" "73c7c3f93a4719183a94767d25a8582615721a97a01359c18f3ddba019592258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c7c3f93a4719183a94767d25a8582615721a97a01359c18f3ddba019592258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c7c3f93a4719183a94767d25a8582615721a97a01359c18f3ddba019592258", kill_on_drop: false }`
[INFO] [stdout] 73c7c3f93a4719183a94767d25a8582615721a97a01359c18f3ddba019592258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcbb4e5d0cf23b3e8042a223cb261ad137332072fca4341a43330bfff72e506
[INFO] running `Command { std: "docker" "start" "-a" "9bcbb4e5d0cf23b3e8042a223cb261ad137332072fca4341a43330bfff72e506", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling roundabout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "9bcbb4e5d0cf23b3e8042a223cb261ad137332072fca4341a43330bfff72e506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcbb4e5d0cf23b3e8042a223cb261ad137332072fca4341a43330bfff72e506", kill_on_drop: false }`
[INFO] [stdout] 9bcbb4e5d0cf23b3e8042a223cb261ad137332072fca4341a43330bfff72e506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44d9dc8961e7a9eca073b9cfb782876290bb611ca73918154707d4a32ef8a6e3
[INFO] running `Command { std: "docker" "start" "-a" "44d9dc8961e7a9eca073b9cfb782876290bb611ca73918154707d4a32ef8a6e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling roundabout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/ping_pong_sequential.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PingEvent(u64);
[INFO] [stdout]   |            --------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PingEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PingEvent(());
[INFO] [stdout]   |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/ping_pong_sequential.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PongEvent(u64);
[INFO] [stdout]   |            --------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PongEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PongEvent(());
[INFO] [stdout]   |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "44d9dc8961e7a9eca073b9cfb782876290bb611ca73918154707d4a32ef8a6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d9dc8961e7a9eca073b9cfb782876290bb611ca73918154707d4a32ef8a6e3", kill_on_drop: false }`
[INFO] [stdout] 44d9dc8961e7a9eca073b9cfb782876290bb611ca73918154707d4a32ef8a6e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5ffd5986e0da4897366e4993f8c25a4fcc6ea1852b3c493f6f951749c3de0be
[INFO] running `Command { std: "docker" "start" "-a" "f5ffd5986e0da4897366e4993f8c25a4fcc6ea1852b3c493f6f951749c3de0be", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `HashSet` is never used
[INFO] [stderr]  --> src/util.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `IndexMap` is never used
[INFO] [stderr]  --> src/util.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_fn` is never used
[INFO] [stderr]   --> src/util/triple.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stderr]    | ------------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_default` is never used
[INFO] [stderr]   --> src/util/triple.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stderr]    | ----------------------------------------- associated function in this implementation
[INFO] [stderr] 48 |     #[inline]
[INFO] [stderr] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_clone` is never used
[INFO] [stderr]   --> src/util/triple.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stderr]    | --------------------------------------- associated function in this implementation
[INFO] [stderr] 55 |     #[inline]
[INFO] [stderr] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `roundabout` (lib) generated 5 warnings
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/ping_pong_sequential.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct PingEvent(u64);
[INFO] [stderr]   |            --------- ^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = note: `PingEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct PingEvent(());
[INFO] [stderr]   |                      ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/ping_pong_sequential.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct PongEvent(u64);
[INFO] [stderr]   |            --------- ^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = note: `PongEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct PongEvent(());
[INFO] [stderr]   |                      ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `roundabout` (example "ping_pong_sequential") generated 2 warnings
[INFO] [stderr] warning: `roundabout` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roundabout-8f90cc1b95af604b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test message::test::aligned_size_of ... ok
[INFO] [stdout] test message::bus::tests::tail_padding_message_bus_sender ... FAILED
[INFO] [stdout] test message::bus::tests::drop_message_bus ... FAILED
[INFO] [stdout] test message::bus::tests::sequential_message_bus ... FAILED
[INFO] [stdout] test message::bus::tests::concurrent_message_bus ... FAILED
[INFO] [stdout] test message::bus::tests::empty_message_bus ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- message::bus::tests::tail_padding_message_bus_sender stdout ----
[INFO] [stdout] thread 'message::bus::tests::tail_padding_message_bus_sender' panicked at src/message.rs:156:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 8
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5561604134c6 - std::backtrace_rs::backtrace::libunwind::trace::h10897894958cd49e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5561604134c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h44034e8a12f002c2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5561604134c6 - std::sys_common::backtrace::_print_fmt::hf3aee16d36b99950
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5561604134c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4cc0196933b2d33b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55616043c4f0 - core::fmt::rt::Argument::fmt::hb7b6f634f32478df
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55616043c4f0 - core::fmt::write::h71a912a0876ff953
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556160410d1f - std::io::Write::write_fmt::h8a1acacc3de34e71
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5561604132a4 - std::sys_common::backtrace::_print::hb4bc24c6a39e5a17
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5561604132a4 - std::sys_common::backtrace::print::h33f3fe08a229dca2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556160415017 - std::panicking::default_hook::{{closure}}::h862a191a664c6dc5
[INFO] [stdout]   10:     0x556160414cfd - std::panicking::default_hook::hc92b5312272280af
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5561603deab7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h552add8c680ace13
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5561603deab7 - test::test_main::{{closure}}::h79da6dd23c84cbf9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556160415636 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4fc7af48e2c3887
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x556160415636 - std::panicking::rust_panic_with_hook::had7afe3bd886e7d6
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x556160415382 - std::panicking::begin_panic_handler::{{closure}}::had698405d69ce54e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5561604139c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb2ede901b4663678
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5561604150d4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x556160387775 - core::panicking::panic_fmt::hab1e6de73e71f54d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x556160387abb - core::panicking::assert_failed_inner::h22191c3a63d966ef
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5561603a6b1e - core::panicking::assert_failed::h63233d8cd431d7d0
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55616039913b - roundabout::message::MessageSize::of::h35b6d412d6f941cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:156:9
[INFO] [stdout]   22:     0x55616039913b - roundabout::message::MessageRegistry::register_of::h19cb42f54b36e9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:96:51
[INFO] [stdout]   23:     0x55616038e8b8 - roundabout::message::bus::tests::tail_padding_message_bus_sender::hdf2bdb3846c8348c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:438:9
[INFO] [stdout]   24:     0x55616038e837 - roundabout::message::bus::tests::tail_padding_message_bus_sender::{{closure}}::h64fb879b67fbae98
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:436:41
[INFO] [stdout]   25:     0x55616039a986 - core::ops::function::FnOnce::call_once::h558d9732d1ef0eaf
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5561603e474f - core::ops::function::FnOnce::call_once::hc27fc3a62b2faa33
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5561603e474f - test::__rust_begin_short_backtrace::hf7033e94b52d4a28
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:621:18
[INFO] [stdout]   28:     0x5561603e34d1 - test::run_test_in_process::{{closure}}::h272b89486b125bab
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:60
[INFO] [stdout]   29:     0x5561603e34d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha666f08e973a5dd7
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5561603e34d1 - std::panicking::try::do_call::h5c124495a5861399
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   31:     0x5561603e34d1 - std::panicking::try::h39267179a4e2fa12
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   32:     0x5561603e34d1 - std::panic::catch_unwind::hbb6c06c3f3299424
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5561603e34d1 - test::run_test_in_process::h018f096e0a0d9a6b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:27
[INFO] [stdout]   34:     0x5561603e34d1 - test::run_test::{{closure}}::h3b7bd26b78cc4d57
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:567:43
[INFO] [stdout]   35:     0x5561603aa8b6 - test::run_test::{{closure}}::hbd1b565ef7605265
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:595:41
[INFO] [stdout]   36:     0x5561603aa8b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h08296418388ba06f
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h39d31f89e46a7e52
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x5561603af8f7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7016c66f3afc78c9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5561603af8f7 - std::panicking::try::do_call::hfc6913d73e6d97bd
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   40:     0x5561603af8f7 - std::panicking::try::h96df954a083a5d9e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   41:     0x5561603af8f7 - std::panic::catch_unwind::h587ed3204a54bc8b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h7db87256a3d062bc
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x5561603af8f7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h71c6d8af2d99d393
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41c9732c543df53d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h335befccd1200961
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5561604199d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h93d954e71facbb82
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f5069516ac3 - <unknown>
[INFO] [stdout]   48:     0x7f50695a7bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- message::bus::tests::drop_message_bus stdout ----
[INFO] [stdout] thread 'message::bus::tests::drop_message_bus' panicked at src/message.rs:156:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 8
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5561604134c6 - std::backtrace_rs::backtrace::libunwind::trace::h10897894958cd49e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5561604134c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h44034e8a12f002c2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5561604134c6 - std::sys_common::backtrace::_print_fmt::hf3aee16d36b99950
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5561604134c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4cc0196933b2d33b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55616043c4f0 - core::fmt::rt::Argument::fmt::hb7b6f634f32478df
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55616043c4f0 - core::fmt::write::h71a912a0876ff953
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556160410d1f - std::io::Write::write_fmt::h8a1acacc3de34e71
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5561604132a4 - std::sys_common::backtrace::_print::hb4bc24c6a39e5a17
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5561604132a4 - std::sys_common::backtrace::print::h33f3fe08a229dca2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556160415017 - std::panicking::default_hook::{{closure}}::h862a191a664c6dc5
[INFO] [stdout]   10:     0x556160414cfd - std::panicking::default_hook::hc92b5312272280af
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5561603deab7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h552add8c680ace13
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5561603deab7 - test::test_main::{{closure}}::h79da6dd23c84cbf9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556160415636 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4fc7af48e2c3887
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x556160415636 - std::panicking::rust_panic_with_hook::had7afe3bd886e7d6
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x556160415382 - std::panicking::begin_panic_handler::{{closure}}::had698405d69ce54e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5561604139c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb2ede901b4663678
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5561604150d4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x556160387775 - core::panicking::panic_fmt::hab1e6de73e71f54d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x556160387abb - core::panicking::assert_failed_inner::h22191c3a63d966ef
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5561603a6b1e - core::panicking::assert_failed::h63233d8cd431d7d0
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55616039913b - roundabout::message::MessageSize::of::h35b6d412d6f941cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:156:9
[INFO] [stdout]   22:     0x55616039913b - roundabout::message::MessageRegistry::register_of::h19cb42f54b36e9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:96:51
[INFO] [stdout]   23:     0x556160393ee8 - roundabout::message::bus::tests::drop_message_bus::ha1ecea88313cd0f2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:659:9
[INFO] [stdout]   24:     0x556160393e87 - roundabout::message::bus::tests::drop_message_bus::{{closure}}::h2b2b33152d1cd33d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:657:26
[INFO] [stdout]   25:     0x55616039a906 - core::ops::function::FnOnce::call_once::h3bf853c760a0fd4c
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5561603e474f - core::ops::function::FnOnce::call_once::hc27fc3a62b2faa33
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5561603e474f - test::__rust_begin_short_backtrace::hf7033e94b52d4a28
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:621:18
[INFO] [stdout]   28:     0x5561603e34d1 - test::run_test_in_process::{{closure}}::h272b89486b125bab
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:60
[INFO] [stdout]   29:     0x5561603e34d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha666f08e973a5dd7
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5561603e34d1 - std::panicking::try::do_call::h5c124495a5861399
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   31:     0x5561603e34d1 - std::panicking::try::h39267179a4e2fa12
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   32:     0x5561603e34d1 - std::panic::catch_unwind::hbb6c06c3f3299424
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5561603e34d1 - test::run_test_in_process::h018f096e0a0d9a6b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:27
[INFO] [stdout]   34:     0x5561603e34d1 - test::run_test::{{closure}}::h3b7bd26b78cc4d57
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:567:43
[INFO] [stdout]   35:     0x5561603aa8b6 - test::run_test::{{closure}}::hbd1b565ef7605265
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:595:41
[INFO] [stdout]   36:     0x5561603aa8b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h08296418388ba06f
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h39d31f89e46a7e52
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x5561603af8f7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7016c66f3afc78c9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5561603af8f7 - std::panicking::try::do_call::hfc6913d73e6d97bd
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   40:     0x5561603af8f7 - std::panicking::try::h96df954a083a5d9e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   41:     0x5561603af8f7 - std::panic::catch_unwind::h587ed3204a54bc8b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h7db87256a3d062bc
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x5561603af8f7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h71c6d8af2d99d393
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41c9732c543df53d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h335befccd1200961
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5561604199d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h93d954e71facbb82
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f5069516ac3 - <unknown>
[INFO] [stdout]   48:     0x7f50695a7bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- message::bus::tests::sequential_message_bus stdout ----
[INFO] [stdout] thread 'message::bus::tests::sequential_message_bus' panicked at src/message.rs:156:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 8
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5561604134c6 - std::backtrace_rs::backtrace::libunwind::trace::h10897894958cd49e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5561604134c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h44034e8a12f002c2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5561604134c6 - std::sys_common::backtrace::_print_fmt::hf3aee16d36b99950
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5561604134c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4cc0196933b2d33b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55616043c4f0 - core::fmt::rt::Argument::fmt::hb7b6f634f32478df
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55616043c4f0 - core::fmt::write::h71a912a0876ff953
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556160410d1f - std::io::Write::write_fmt::h8a1acacc3de34e71
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5561604132a4 - std::sys_common::backtrace::_print::hb4bc24c6a39e5a17
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5561604132a4 - std::sys_common::backtrace::print::h33f3fe08a229dca2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556160415017 - std::panicking::default_hook::{{closure}}::h862a191a664c6dc5
[INFO] [stdout]   10:     0x556160414cfd - std::panicking::default_hook::hc92b5312272280af
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5561603deab7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h552add8c680ace13
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5561603deab7 - test::test_main::{{closure}}::h79da6dd23c84cbf9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556160415636 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4fc7af48e2c3887
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x556160415636 - std::panicking::rust_panic_with_hook::had7afe3bd886e7d6
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x556160415382 - std::panicking::begin_panic_handler::{{closure}}::had698405d69ce54e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5561604139c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb2ede901b4663678
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5561604150d4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x556160387775 - core::panicking::panic_fmt::hab1e6de73e71f54d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x556160387abb - core::panicking::assert_failed_inner::h22191c3a63d966ef
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5561603a6b1e - core::panicking::assert_failed::h63233d8cd431d7d0
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55616039913b - roundabout::message::MessageSize::of::h35b6d412d6f941cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:156:9
[INFO] [stdout]   22:     0x55616039913b - roundabout::message::MessageRegistry::register_of::h19cb42f54b36e9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:96:51
[INFO] [stdout]   23:     0x55616038fed8 - roundabout::message::bus::tests::sequential_message_bus::h28e754292c9c81b8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:492:23
[INFO] [stdout]   24:     0x55616038fe47 - roundabout::message::bus::tests::sequential_message_bus::{{closure}}::ha1da8e86ce1be449
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:490:32
[INFO] [stdout]   25:     0x55616039a946 - core::ops::function::FnOnce::call_once::h4e639d20ea1ee1fd
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5561603e474f - core::ops::function::FnOnce::call_once::hc27fc3a62b2faa33
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5561603e474f - test::__rust_begin_short_backtrace::hf7033e94b52d4a28
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:621:18
[INFO] [stdout]   28:     0x5561603e34d1 - test::run_test_in_process::{{closure}}::h272b89486b125bab
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:60
[INFO] [stdout]   29:     0x5561603e34d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha666f08e973a5dd7
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5561603e34d1 - std::panicking::try::do_call::h5c124495a5861399
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   31:     0x5561603e34d1 - std::panicking::try::h39267179a4e2fa12
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   32:     0x5561603e34d1 - std::panic::catch_unwind::hbb6c06c3f3299424
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5561603e34d1 - test::run_test_in_process::h018f096e0a0d9a6b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:27
[INFO] [stdout]   34:     0x5561603e34d1 - test::run_test::{{closure}}::h3b7bd26b78cc4d57
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:567:43
[INFO] [stdout]   35:     0x5561603aa8b6 - test::run_test::{{closure}}::hbd1b565ef7605265
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:595:41
[INFO] [stdout]   36:     0x5561603aa8b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h08296418388ba06f
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h39d31f89e46a7e52
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x5561603af8f7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7016c66f3afc78c9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5561603af8f7 - std::panicking::try::do_call::hfc6913d73e6d97bd
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   40:     0x5561603af8f7 - std::panicking::try::h96df954a083a5d9e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   41:     0x5561603af8f7 - std::panic::catch_unwind::h587ed3204a54bc8b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h7db87256a3d062bc
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x5561603af8f7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h71c6d8af2d99d393
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41c9732c543df53d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h335befccd1200961
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5561604199d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h93d954e71facbb82
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f5069516ac3 - <unknown>
[INFO] [stdout]   48:     0x7f50695a7bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- message::bus::tests::concurrent_message_bus stdout ----
[INFO] [stdout] thread 'message::bus::tests::concurrent_message_bus' panicked at src/message.rs:156:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 8
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5561604134c6 - std::backtrace_rs::backtrace::libunwind::trace::h10897894958cd49e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5561604134c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h44034e8a12f002c2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5561604134c6 - std::sys_common::backtrace::_print_fmt::hf3aee16d36b99950
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5561604134c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4cc0196933b2d33b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55616043c4f0 - core::fmt::rt::Argument::fmt::hb7b6f634f32478df
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55616043c4f0 - core::fmt::write::h71a912a0876ff953
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556160410d1f - std::io::Write::write_fmt::h8a1acacc3de34e71
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5561604132a4 - std::sys_common::backtrace::_print::hb4bc24c6a39e5a17
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5561604132a4 - std::sys_common::backtrace::print::h33f3fe08a229dca2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556160415017 - std::panicking::default_hook::{{closure}}::h862a191a664c6dc5
[INFO] [stdout]   10:     0x556160414cfd - std::panicking::default_hook::hc92b5312272280af
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5561603deab7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h552add8c680ace13
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5561603deab7 - test::test_main::{{closure}}::h79da6dd23c84cbf9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556160415636 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4fc7af48e2c3887
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x556160415636 - std::panicking::rust_panic_with_hook::had7afe3bd886e7d6
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x556160415382 - std::panicking::begin_panic_handler::{{closure}}::had698405d69ce54e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5561604139c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb2ede901b4663678
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5561604150d4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x556160387775 - core::panicking::panic_fmt::hab1e6de73e71f54d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x556160387abb - core::panicking::assert_failed_inner::h22191c3a63d966ef
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5561603a6b1e - core::panicking::assert_failed::h63233d8cd431d7d0
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55616039913b - roundabout::message::MessageSize::of::h35b6d412d6f941cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:156:9
[INFO] [stdout]   22:     0x55616039913b - roundabout::message::MessageRegistry::register_of::h19cb42f54b36e9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:96:51
[INFO] [stdout]   23:     0x556160392ef5 - roundabout::message::bus::tests::concurrent_message_bus::h160caf3288818d65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:603:23
[INFO] [stdout]   24:     0x556160392e77 - roundabout::message::bus::tests::concurrent_message_bus::{{closure}}::h3da9487b5fdb1380
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:601:32
[INFO] [stdout]   25:     0x55616039a866 - core::ops::function::FnOnce::call_once::h32c3b7b2683ba8e2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5561603e474f - core::ops::function::FnOnce::call_once::hc27fc3a62b2faa33
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5561603e474f - test::__rust_begin_short_backtrace::hf7033e94b52d4a28
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:621:18
[INFO] [stdout]   28:     0x5561603e34d1 - test::run_test_in_process::{{closure}}::h272b89486b125bab
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:60
[INFO] [stdout]   29:     0x5561603e34d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha666f08e973a5dd7
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5561603e34d1 - std::panicking::try::do_call::h5c124495a5861399
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   31:     0x5561603e34d1 - std::panicking::try::h39267179a4e2fa12
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   32:     0x5561603e34d1 - std::panic::catch_unwind::hbb6c06c3f3299424
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5561603e34d1 - test::run_test_in_process::h018f096e0a0d9a6b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:27
[INFO] [stdout]   34:     0x5561603e34d1 - test::run_test::{{closure}}::h3b7bd26b78cc4d57
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:567:43
[INFO] [stdout]   35:     0x5561603aa8b6 - test::run_test::{{closure}}::hbd1b565ef7605265
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:595:41
[INFO] [stdout]   36:     0x5561603aa8b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h08296418388ba06f
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h39d31f89e46a7e52
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x5561603af8f7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7016c66f3afc78c9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5561603af8f7 - std::panicking::try::do_call::hfc6913d73e6d97bd
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   40:     0x5561603af8f7 - std::panicking::try::h96df954a083a5d9e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   41:     0x5561603af8f7 - std::panic::catch_unwind::h587ed3204a54bc8b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h7db87256a3d062bc
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x5561603af8f7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h71c6d8af2d99d393
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41c9732c543df53d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h335befccd1200961
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5561604199d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h93d954e71facbb82
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f5069516ac3 - <unknown>
[INFO] [stdout]   48:     0x7f50695a7bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- message::bus::tests::empty_message_bus stdout ----
[INFO] [stdout] thread 'message::bus::tests::empty_message_bus' panicked at src/message.rs:156:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 8
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5561604134c6 - std::backtrace_rs::backtrace::libunwind::trace::h10897894958cd49e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5561604134c6 - std::backtrace_rs::backtrace::trace_unsynchronized::h44034e8a12f002c2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5561604134c6 - std::sys_common::backtrace::_print_fmt::hf3aee16d36b99950
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5561604134c6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4cc0196933b2d33b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55616043c4f0 - core::fmt::rt::Argument::fmt::hb7b6f634f32478df
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55616043c4f0 - core::fmt::write::h71a912a0876ff953
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x556160410d1f - std::io::Write::write_fmt::h8a1acacc3de34e71
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5561604132a4 - std::sys_common::backtrace::_print::hb4bc24c6a39e5a17
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5561604132a4 - std::sys_common::backtrace::print::h33f3fe08a229dca2
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x556160415017 - std::panicking::default_hook::{{closure}}::h862a191a664c6dc5
[INFO] [stdout]   10:     0x556160414cfd - std::panicking::default_hook::hc92b5312272280af
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5561603deab7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h552add8c680ace13
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5561603deab7 - test::test_main::{{closure}}::h79da6dd23c84cbf9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x556160415636 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4fc7af48e2c3887
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x556160415636 - std::panicking::rust_panic_with_hook::had7afe3bd886e7d6
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x556160415382 - std::panicking::begin_panic_handler::{{closure}}::had698405d69ce54e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5561604139c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb2ede901b4663678
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5561604150d4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x556160387775 - core::panicking::panic_fmt::hab1e6de73e71f54d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x556160387abb - core::panicking::assert_failed_inner::h22191c3a63d966ef
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5561603a6b1e - core::panicking::assert_failed::h63233d8cd431d7d0
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55616039913b - roundabout::message::MessageSize::of::h35b6d412d6f941cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:156:9
[INFO] [stdout]   22:     0x55616039913b - roundabout::message::MessageRegistry::register_of::h19cb42f54b36e9cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message.rs:96:51
[INFO] [stdout]   23:     0x55616038f421 - roundabout::message::bus::tests::empty_message_bus::h69ce8958eb079b33
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:466:9
[INFO] [stdout]   24:     0x55616038f3c7 - roundabout::message::bus::tests::empty_message_bus::{{closure}}::hefe367bf7c741caa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/message/bus.rs:464:27
[INFO] [stdout]   25:     0x55616039a9d6 - core::ops::function::FnOnce::call_once::h7b4b5fe36e883c18
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5561603e474f - core::ops::function::FnOnce::call_once::hc27fc3a62b2faa33
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5561603e474f - test::__rust_begin_short_backtrace::hf7033e94b52d4a28
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:621:18
[INFO] [stdout]   28:     0x5561603e34d1 - test::run_test_in_process::{{closure}}::h272b89486b125bab
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:60
[INFO] [stdout]   29:     0x5561603e34d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha666f08e973a5dd7
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5561603e34d1 - std::panicking::try::do_call::h5c124495a5861399
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   31:     0x5561603e34d1 - std::panicking::try::h39267179a4e2fa12
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   32:     0x5561603e34d1 - std::panic::catch_unwind::hbb6c06c3f3299424
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5561603e34d1 - test::run_test_in_process::h018f096e0a0d9a6b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:644:27
[INFO] [stdout]   34:     0x5561603e34d1 - test::run_test::{{closure}}::h3b7bd26b78cc4d57
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:567:43
[INFO] [stdout]   35:     0x5561603aa8b6 - test::run_test::{{closure}}::hbd1b565ef7605265
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/test/src/lib.rs:595:41
[INFO] [stdout]   36:     0x5561603aa8b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h08296418388ba06f
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h39d31f89e46a7e52
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x5561603af8f7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7016c66f3afc78c9
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5561603af8f7 - std::panicking::try::do_call::hfc6913d73e6d97bd
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:554:40
[INFO] [stdout]   40:     0x5561603af8f7 - std::panicking::try::h96df954a083a5d9e
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panicking.rs:518:19
[INFO] [stdout]   41:     0x5561603af8f7 - std::panic::catch_unwind::h587ed3204a54bc8b
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x5561603af8f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h7db87256a3d062bc
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x5561603af8f7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h71c6d8af2d99d393
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41c9732c543df53d
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5561604199d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h335befccd1200961
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x5561604199d5 - std::sys::pal::unix::thread::Thread::new::thread_start::h93d954e71facbb82
[INFO] [stdout]                                at /rustc/f2043422f7b161a2fc1a00589a8c4956db963450/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f5069516ac3 - <unknown>
[INFO] [stdout]   48:     0x7f50695a7bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     message::bus::tests::concurrent_message_bus
[INFO] [stdout]     message::bus::tests::drop_message_bus
[INFO] [stdout]     message::bus::tests::empty_message_bus
[INFO] [stdout]     message::bus::tests::sequential_message_bus
[INFO] [stdout]     message::bus::tests::tail_padding_message_bus_sender
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f5ffd5986e0da4897366e4993f8c25a4fcc6ea1852b3c493f6f951749c3de0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ffd5986e0da4897366e4993f8c25a4fcc6ea1852b3c493f6f951749c3de0be", kill_on_drop: false }`
[INFO] [stdout] f5ffd5986e0da4897366e4993f8c25a4fcc6ea1852b3c493f6f951749c3de0be
