[INFO] fetching crate roundabout 0.2.0... [INFO] testing roundabout-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate roundabout 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate roundabout 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-2/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: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cast v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1c3b513a2d473c068879bfc3a249b36392d7cf6a176a5d4673d809eaf6c5da33 [INFO] running `Command { std: "docker" "start" "-a" "1c3b513a2d473c068879bfc3a249b36392d7cf6a176a5d4673d809eaf6c5da33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c3b513a2d473c068879bfc3a249b36392d7cf6a176a5d4673d809eaf6c5da33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c3b513a2d473c068879bfc3a249b36392d7cf6a176a5d4673d809eaf6c5da33", kill_on_drop: false }` [INFO] [stdout] 1c3b513a2d473c068879bfc3a249b36392d7cf6a176a5d4673d809eaf6c5da33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02e48d4d9a933adec559235c47942f146eedfbdd89fcf90a60f88b9772e7e23d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "02e48d4d9a933adec559235c47942f146eedfbdd89fcf90a60f88b9772e7e23d", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling core_affinity v0.5.10 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling roundabout v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new_fn` [INFO] [stdout] --> src/util/triple.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn new_fn T>(factory: F) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_default` [INFO] [stdout] --> src/util/triple.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn new_default() -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_clone` [INFO] [stdout] --> src/util/triple.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn new_clone(initial: T) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `HashSet` [INFO] [stdout] --> src/util.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | pub type HashSet = std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `IndexMap` [INFO] [stdout] --> src/util.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub type IndexMap = indexmap::map::IndexMap; [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 6.78s [INFO] running `Command { std: "docker" "inspect" "02e48d4d9a933adec559235c47942f146eedfbdd89fcf90a60f88b9772e7e23d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02e48d4d9a933adec559235c47942f146eedfbdd89fcf90a60f88b9772e7e23d", kill_on_drop: false }` [INFO] [stdout] 02e48d4d9a933adec559235c47942f146eedfbdd89fcf90a60f88b9772e7e23d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e398e9d3e68330696aadc5f0a00f62087bc4d776acf6f194baad1d361922828d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e398e9d3e68330696aadc5f0a00f62087bc4d776acf6f194baad1d361922828d", kill_on_drop: false }` [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 memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stdout] warning: associated function is never used: `new_fn` [INFO] [stdout] --> src/util/triple.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn new_fn T>(factory: F) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_default` [INFO] [stdout] --> src/util/triple.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn new_default() -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_clone` [INFO] [stdout] --> src/util/triple.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn new_clone(initial: T) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `HashSet` [INFO] [stdout] --> src/util.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | pub type HashSet = std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `IndexMap` [INFO] [stdout] --> src/util.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub type IndexMap = indexmap::map::IndexMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling ctrlc v3.1.9 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling roundabout v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new_fn` [INFO] [stdout] --> src/util/triple.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn new_fn T>(factory: F) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_default` [INFO] [stdout] --> src/util/triple.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn new_default() -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_clone` [INFO] [stdout] --> src/util/triple.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn new_clone(initial: T) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `HashSet` [INFO] [stdout] --> src/util.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | pub type HashSet = std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `IndexMap` [INFO] [stdout] --> src/util.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub type IndexMap = indexmap::map::IndexMap; [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 1m 32s [INFO] running `Command { std: "docker" "inspect" "e398e9d3e68330696aadc5f0a00f62087bc4d776acf6f194baad1d361922828d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e398e9d3e68330696aadc5f0a00f62087bc4d776acf6f194baad1d361922828d", kill_on_drop: false }` [INFO] [stdout] e398e9d3e68330696aadc5f0a00f62087bc4d776acf6f194baad1d361922828d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e305735e4d2c23e80eff1ddf2e3e5ad3ae3bc0d7303252d83070098399666295 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e305735e4d2c23e80eff1ddf2e3e5ad3ae3bc0d7303252d83070098399666295", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `new_fn` [INFO] [stderr] --> src/util/triple.rs:30:12 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn new_fn T>(factory: F) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_default` [INFO] [stderr] --> src/util/triple.rs:49:12 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn new_default() -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new_clone` [INFO] [stderr] --> src/util/triple.rs:56:12 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn new_clone(initial: T) -> (TripleBufferedHead, TripleBufferedTail) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `HashSet` [INFO] [stderr] --> src/util.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub type HashSet = std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `IndexMap` [INFO] [stderr] --> src/util.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub type IndexMap = indexmap::map::IndexMap; [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 0.15s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/roundabout-bdfd6a284654e2d2) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test message::bus::tests::empty_message_bus ... ok [INFO] [stdout] test message::test::aligned_size_of ... ok [INFO] [stdout] test message::bus::tests::drop_message_bus ... ok [INFO] [stdout] test message::bus::tests::sequential_message_bus ... ok [INFO] [stdout] test message::bus::tests::tail_padding_message_bus_sender ... 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 0.18s [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" "e305735e4d2c23e80eff1ddf2e3e5ad3ae3bc0d7303252d83070098399666295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e305735e4d2c23e80eff1ddf2e3e5ad3ae3bc0d7303252d83070098399666295", kill_on_drop: false }` [INFO] [stdout] e305735e4d2c23e80eff1ddf2e3e5ad3ae3bc0d7303252d83070098399666295