[INFO] cloning repository https://github.com/vporton/ref_mutex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vporton/ref_mutex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvporton%2Fref_mutex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvporton%2Fref_mutex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8c27e059781543c40686db414233b608919dbec
[INFO] testing vporton/ref_mutex against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvporton%2Fref_mutex" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vporton/ref_mutex on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vporton/ref_mutex
[INFO] finished tweaking git repo https://github.com/vporton/ref_mutex
[INFO] tweaked toml for git repo https://github.com/vporton/ref_mutex written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vporton/ref_mutex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccdf616c527e9691340ed2ccd003190d580c39880df3ef06838708e8b4b7cf48
[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" "ccdf616c527e9691340ed2ccd003190d580c39880df3ef06838708e8b4b7cf48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccdf616c527e9691340ed2ccd003190d580c39880df3ef06838708e8b4b7cf48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdf616c527e9691340ed2ccd003190d580c39880df3ef06838708e8b4b7cf48", kill_on_drop: false }`
[INFO] [stdout] ccdf616c527e9691340ed2ccd003190d580c39880df3ef06838708e8b4b7cf48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] 2c2ad329eb0245dbe5727b1a8ec421101b7e7b4e449415b21a431675af0c937d
[INFO] running `Command { std: "docker" "start" "-a" "2c2ad329eb0245dbe5727b1a8ec421101b7e7b4e449415b21a431675af0c937d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex-extra v0.9.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "2c2ad329eb0245dbe5727b1a8ec421101b7e7b4e449415b21a431675af0c937d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2ad329eb0245dbe5727b1a8ec421101b7e7b4e449415b21a431675af0c937d", kill_on_drop: false }`
[INFO] [stdout] 2c2ad329eb0245dbe5727b1a8ec421101b7e7b4e449415b21a431675af0c937d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d3a1c1d9ae859d57de11074c164125e576c0900723535d733e42c0a44fad53
[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" "25d3a1c1d9ae859d57de11074c164125e576c0900723535d733e42c0a44fad53", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex-extra v0.9.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "25d3a1c1d9ae859d57de11074c164125e576c0900723535d733e42c0a44fad53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d3a1c1d9ae859d57de11074c164125e576c0900723535d733e42c0a44fad53", kill_on_drop: false }`
[INFO] [stdout] 25d3a1c1d9ae859d57de11074c164125e576c0900723535d733e42c0a44fad53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 4450d4df4581e5427076195d09e7719bda6a1d759bb8d4cbfb34f6787ceff2e5
[INFO] running `Command { std: "docker" "start" "-a" "4450d4df4581e5427076195d09e7719bda6a1d759bb8d4cbfb34f6787ceff2e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ref_mutex-69fd4c13c7a0ff02)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests ref_mutex
[INFO] [stdout] test tests2::test_sync_guard ... ok
[INFO] [stdout] test tests::test_sync_guard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RefMutex::unlock (line 269) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::new (line 165) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::into_inner (line 320) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::is_poisoned (line 292) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::get_mut (line 344) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::lock (line 200) ... ok
[INFO] [stdout] test src/lib.rs - RefMutex::try_lock (line 240) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4450d4df4581e5427076195d09e7719bda6a1d759bb8d4cbfb34f6787ceff2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4450d4df4581e5427076195d09e7719bda6a1d759bb8d4cbfb34f6787ceff2e5", kill_on_drop: false }`
[INFO] [stdout] 4450d4df4581e5427076195d09e7719bda6a1d759bb8d4cbfb34f6787ceff2e5