[INFO] fetching crate shutdown 0.2.1...
[INFO] testing shutdown-0.2.1 against master#d117135f5a9b69ee3adfb1918aa25616758bf692 for pr-107251
[INFO] extracting crate shutdown 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate shutdown 0.2.1 on toolchain d117135f5a9b69ee3adfb1918aa25616758bf692
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shutdown 0.2.1
[INFO] finished tweaking crates.io crate shutdown 0.2.1
[INFO] tweaked toml for crates.io crate shutdown 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded termcolor v1.2.0
[INFO] [stderr]   Downloaded env_logger v0.9.3
[INFO] [stderr]   Downloaded signal-hook v0.2.3
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c20caa780ed340acafeb3886a5aa76ac5e481c922de624df6cd4183720dd60ee
[INFO] running `Command { std: "docker" "start" "-a" "c20caa780ed340acafeb3886a5aa76ac5e481c922de624df6cd4183720dd60ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20caa780ed340acafeb3886a5aa76ac5e481c922de624df6cd4183720dd60ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20caa780ed340acafeb3886a5aa76ac5e481c922de624df6cd4183720dd60ee", kill_on_drop: false }`
[INFO] [stdout] c20caa780ed340acafeb3886a5aa76ac5e481c922de624df6cd4183720dd60ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542684c931e39bc19c1abc4bb98f0a68c01299101e1422303adfed1d6a16fd71
[INFO] running `Command { std: "docker" "start" "-a" "542684c931e39bc19c1abc4bb98f0a68c01299101e1422303adfed1d6a16fd71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling signal-hook v0.2.3
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling shutdown v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "542684c931e39bc19c1abc4bb98f0a68c01299101e1422303adfed1d6a16fd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542684c931e39bc19c1abc4bb98f0a68c01299101e1422303adfed1d6a16fd71", kill_on_drop: false }`
[INFO] [stdout] 542684c931e39bc19c1abc4bb98f0a68c01299101e1422303adfed1d6a16fd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2dd77656c676466c36caa48c8e1db534c4146cf137a6874523ebac534f44d14
[INFO] running `Command { std: "docker" "start" "-a" "f2dd77656c676466c36caa48c8e1db534c4146cf137a6874523ebac534f44d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling shutdown v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "f2dd77656c676466c36caa48c8e1db534c4146cf137a6874523ebac534f44d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2dd77656c676466c36caa48c8e1db534c4146cf137a6874523ebac534f44d14", kill_on_drop: false }`
[INFO] [stdout] f2dd77656c676466c36caa48c8e1db534c4146cf137a6874523ebac534f44d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42c1b870b301836f5647ad9c4e22853cb2a8f608e3badb46e77c357fcb078408
[INFO] running `Command { std: "docker" "start" "-a" "42c1b870b301836f5647ad9c4e22853cb2a8f608e3badb46e77c357fcb078408", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shutdown-1b6d155787a0acb5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::shutdown_now ... ok
[INFO] [stdout] test tests::shutdown_sigint ... ok
[INFO] [stdout] test tests::not_notified ... ok
[INFO] [stderr]    Doc-tests shutdown
[INFO] [stdout] test tests::shutdown_branch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Shutdown::is_shutdown (line 179) - compile ... ok
[INFO] [stdout] test src/lib.rs - Shutdown::subscribe (line 145) - compile ... ok
[INFO] [stdout] test src/lib.rs - Shutdown::branch (line 96) - compile ... ok
[INFO] [stdout] test src/lib.rs - Shutdown::shutdown_now (line 197) - compile ... ok
[INFO] [stdout] test src/lib.rs - Shutdown::new (line 51) - compile ... ok
[INFO] [stdout] test src/lib.rs - Shutdown::recv (line 221) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42c1b870b301836f5647ad9c4e22853cb2a8f608e3badb46e77c357fcb078408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c1b870b301836f5647ad9c4e22853cb2a8f608e3badb46e77c357fcb078408", kill_on_drop: false }`
[INFO] [stdout] 42c1b870b301836f5647ad9c4e22853cb2a8f608e3badb46e77c357fcb078408