[INFO] fetching crate tracing-mutex 0.1.2...
[INFO] testing tracing-mutex-0.1.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate tracing-mutex 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tracing-mutex 0.1.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-mutex 0.1.2
[INFO] finished tweaking crates.io crate tracing-mutex 0.1.2
[INFO] tweaked toml for crates.io crate tracing-mutex 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 4e4fd9aef3b3b6ef23f3b644f94165964abcda9c1e3158d9f66446fd877c992a
[INFO] running `Command { std: "docker" "start" "-a" "4e4fd9aef3b3b6ef23f3b644f94165964abcda9c1e3158d9f66446fd877c992a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4fd9aef3b3b6ef23f3b644f94165964abcda9c1e3158d9f66446fd877c992a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4fd9aef3b3b6ef23f3b644f94165964abcda9c1e3158d9f66446fd877c992a", kill_on_drop: false }`
[INFO] [stdout] 4e4fd9aef3b3b6ef23f3b644f94165964abcda9c1e3158d9f66446fd877c992a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a5787c7777f2339734a7e06e3c2b3fa623fd7fc5dc6398e9ca2cbf2d57175dd
[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" "4a5787c7777f2339734a7e06e3c2b3fa623fd7fc5dc6398e9ca2cbf2d57175dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tracing-mutex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "4a5787c7777f2339734a7e06e3c2b3fa623fd7fc5dc6398e9ca2cbf2d57175dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5787c7777f2339734a7e06e3c2b3fa623fd7fc5dc6398e9ca2cbf2d57175dd", kill_on_drop: false }`
[INFO] [stdout] 4a5787c7777f2339734a7e06e3c2b3fa623fd7fc5dc6398e9ca2cbf2d57175dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", 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] b12a8f01d453e77998b3c9ec8dee8669d7391e9b8534d8f545ca3d61ba26757a
[INFO] running `Command { std: "docker" "start" "-a" "b12a8f01d453e77998b3c9ec8dee8669d7391e9b8534d8f545ca3d61ba26757a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tracing-mutex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "b12a8f01d453e77998b3c9ec8dee8669d7391e9b8534d8f545ca3d61ba26757a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12a8f01d453e77998b3c9ec8dee8669d7391e9b8534d8f545ca3d61ba26757a", kill_on_drop: false }`
[INFO] [stdout] b12a8f01d453e77998b3c9ec8dee8669d7391e9b8534d8f545ca3d61ba26757a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0b056cfb5758da8bfbd68f46c7fcf877888c47cba519612598da9ae26091b50
[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" "e0b056cfb5758da8bfbd68f46c7fcf877888c47cba519612598da9ae26091b50", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_mutex-02eea4bbad6bd4b8)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test graph::tests::test_digraph ... ok
[INFO] [stdout] test tests::test_lazy_mutex_id ... ok
[INFO] [stdout] test stdsync::tests::test_once_usage ... ok
[INFO] [stdout] test stdsync::tests::test_rwlock_usage ... ok
[INFO] [stdout] test stdsync::tests::test_mutex_usage ... ok
[INFO] [stdout] test tests::test_next_mutex_id ... ok
[INFO] [stdout] test tests::test_mutex_id_conflict - should panic ... ok
[INFO] [stdout] test stdsync::tests::test_detect_cycle - should panic ... ok
[INFO] [stdout] test graph::tests::fuzz_digraph ... ok
[INFO] [stdout] test tests::fuzz_mutex_id ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-mutex
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/stdsync.rs - stdsync (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0b056cfb5758da8bfbd68f46c7fcf877888c47cba519612598da9ae26091b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b056cfb5758da8bfbd68f46c7fcf877888c47cba519612598da9ae26091b50", kill_on_drop: false }`
[INFO] [stdout] e0b056cfb5758da8bfbd68f46c7fcf877888c47cba519612598da9ae26091b50