[INFO] fetching crate more-sync 0.1.5...
[INFO] testing more-sync-0.1.5 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate more-sync 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate more-sync 0.1.5
[INFO] finished tweaking crates.io crate more-sync 0.1.5
[INFO] tweaked toml for crates.io crate more-sync 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate more-sync 0.1.5 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c058179f36f10ec9e8897ca6d6e6efee1e70f7bafb9ce467e25369afef33a98
[INFO] running `Command { std: "docker" "start" "-a" "5c058179f36f10ec9e8897ca6d6e6efee1e70f7bafb9ce467e25369afef33a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c058179f36f10ec9e8897ca6d6e6efee1e70f7bafb9ce467e25369afef33a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c058179f36f10ec9e8897ca6d6e6efee1e70f7bafb9ce467e25369afef33a98", kill_on_drop: false }`
[INFO] [stdout] 5c058179f36f10ec9e8897ca6d6e6efee1e70f7bafb9ce467e25369afef33a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 633caed53c80bb97a1a9968bc7ff11cf8cb977036ad1d03249ceab761ac8711c
[INFO] running `Command { std: "docker" "start" "-a" "633caed53c80bb97a1a9968bc7ff11cf8cb977036ad1d03249ceab761ac8711c", kill_on_drop: false }`
[INFO] [stderr]    Compiling more-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/carrier/mod.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn lock_count(&self) -> MutexGuard<usize> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn lock_count(&self) -> MutexGuard<'_, usize> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/versioned_parker/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn lock(&self) -> VersionedGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn lock(&self) -> VersionedGuard<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "633caed53c80bb97a1a9968bc7ff11cf8cb977036ad1d03249ceab761ac8711c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633caed53c80bb97a1a9968bc7ff11cf8cb977036ad1d03249ceab761ac8711c", kill_on_drop: false }`
[INFO] [stdout] 633caed53c80bb97a1a9968bc7ff11cf8cb977036ad1d03249ceab761ac8711c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa8a26bf3fc83d01e016bd4ffcfde05ccad550d7e31781aec1452d9cd046adea
[INFO] running `Command { std: "docker" "start" "-a" "aa8a26bf3fc83d01e016bd4ffcfde05ccad550d7e31781aec1452d9cd046adea", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/carrier/mod.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn lock_count(&self) -> MutexGuard<usize> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn lock_count(&self) -> MutexGuard<'_, usize> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling more-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/versioned_parker/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn lock(&self) -> VersionedGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn lock(&self) -> VersionedGuard<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/carrier/mod.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn lock_count(&self) -> MutexGuard<usize> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn lock_count(&self) -> MutexGuard<'_, usize> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/versioned_parker/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn lock(&self) -> VersionedGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn lock(&self) -> VersionedGuard<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "aa8a26bf3fc83d01e016bd4ffcfde05ccad550d7e31781aec1452d9cd046adea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a26bf3fc83d01e016bd4ffcfde05ccad550d7e31781aec1452d9cd046adea", kill_on_drop: false }`
[INFO] [stdout] aa8a26bf3fc83d01e016bd4ffcfde05ccad550d7e31781aec1452d9cd046adea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84e5faa453b96b1dd296d78c585f731e1dc36680aa5c31c10a35a86fea243eeb
[INFO] running `Command { std: "docker" "start" "-a" "84e5faa453b96b1dd296d78c585f731e1dc36680aa5c31c10a35a86fea243eeb", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/carrier/mod.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn lock_count(&self) -> MutexGuard<usize> {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn lock_count(&self) -> MutexGuard<'_, usize> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/versioned_parker/mod.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn lock(&self) -> VersionedGuard<T> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn lock(&self) -> VersionedGuard<'_, T> {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `more-sync` (lib) generated 2 warnings (run `cargo fix --lib -p more-sync` to apply 2 suggestions)
[INFO] [stderr] warning: `more-sync` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/more_sync-7de8895534da456c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test carrier::tests::test_ref ... ok
[INFO] [stdout] test versioned_parker::tests::test_multiple_notify ... ok
[INFO] [stdout] test versioned_parker::tests::test_try_notify ... ok
[INFO] [stdout] test versioned_parker::tests::test_basics ... ok
[INFO] [stdout] test carrier::tests::test_basics ... ok
[INFO] [stdout] test versioned_parker::tests::test_try_notify_mutate ... ok
[INFO] [stdout] test carrier::tests::test_panic_outstanding_arc - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests more_sync
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/carrier/mod.rs - carrier::Carrier (line 20) ... FAILED
[INFO] [stdout] test src/versioned_parker/mod.rs - versioned_parker::VersionedParker (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/carrier/mod.rs - carrier::Carrier (line 20) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (59) panicked at src/carrier/mod.rs:99:9:
[INFO] [stdout] assertion `left == right` failed: The carrier should not more than one outstanding Arc
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d5c78fc00fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d5c78fc00fa - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d5c78fc00fa - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d5c78fc00fa - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d5c78fd0c1a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d5c78fd0c1a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x5d5c78fc3a22 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5d5c78fc3a22 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5d5c78faafdf - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d5c78faafdf - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d5c78fbbf41 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5d5c78fbc0fb - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5d5c78fab098 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5d5c78fa0549 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5d5c78fab87d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5d5c78fd130c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5d5c78fd1283 - core[e929cb53b82a81ca]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:434:23
[INFO] [stdout]   17:     0x5d5c78fceb4a - core[e929cb53b82a81ca]::panicking::assert_failed::<usize, usize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   18:     0x5d5c78f92109 - <more_sync[5120f092c13d74ff]::carrier::Carrier<std[29689e6404d28ef9]::sync::poison::mutex::Mutex<usize>>>::unwrap_or_panic
[INFO] [stdout]   19:     0x5d5c78f924bf - <more_sync[5120f092c13d74ff]::carrier::Carrier<std[29689e6404d28ef9]::sync::poison::mutex::Mutex<usize>>>::wait
[INFO] [stdout]   20:     0x5d5c78f93ec8 - rust_out[a0c036232cb4117b]::main::_doctest_main_src_carrier_mod_rs_20_0
[INFO] [stdout]   21:     0x5d5c78f91fe6 - rust_out[a0c036232cb4117b]::main
[INFO] [stdout]   22:     0x5d5c78f95063 - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   23:     0x5d5c78f90026 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   24:     0x5d5c78f91819 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   25:     0x5d5c78fbb5e7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   26:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24
[INFO] [stdout]   30:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5d5c78fbb5e7 - std[29689e6404d28ef9]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5
[INFO] [stdout]   34:     0x5d5c78f8f6c1 - std[29689e6404d28ef9]::rt::lang_start::<()>
[INFO] [stdout]   35:     0x5d5c78f95415 - main
[INFO] [stdout]   36:     0x7f54f34d31ca - <unknown>
[INFO] [stdout]   37:     0x7f54f34d328b - __libc_start_main
[INFO] [stdout]   38:     0x5d5c78f8f145 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/carrier/mod.rs - carrier::Carrier (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "84e5faa453b96b1dd296d78c585f731e1dc36680aa5c31c10a35a86fea243eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e5faa453b96b1dd296d78c585f731e1dc36680aa5c31c10a35a86fea243eeb", kill_on_drop: false }`
[INFO] [stdout] 84e5faa453b96b1dd296d78c585f731e1dc36680aa5c31c10a35a86fea243eeb
