[INFO] fetching crate async-semaphore 1.2.0...
[INFO] testing async-semaphore-1.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-semaphore 1.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async-semaphore 1.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-semaphore 1.2.0
[INFO] finished tweaking crates.io crate async-semaphore 1.2.0
[INFO] tweaked toml for crates.io crate async-semaphore 1.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d734a314a1caf7c7e42c2436f49710cd32dfae24997c0abe7b4ac5aa44fc69ee
[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" "d734a314a1caf7c7e42c2436f49710cd32dfae24997c0abe7b4ac5aa44fc69ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d734a314a1caf7c7e42c2436f49710cd32dfae24997c0abe7b4ac5aa44fc69ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d734a314a1caf7c7e42c2436f49710cd32dfae24997c0abe7b4ac5aa44fc69ee", kill_on_drop: false }`
[INFO] [stdout] d734a314a1caf7c7e42c2436f49710cd32dfae24997c0abe7b4ac5aa44fc69ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53736da301ff9126cbe9802b8743eea0ad1f5b6e6f71a9060dd28abe57958180
[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" "53736da301ff9126cbe9802b8743eea0ad1f5b6e6f71a9060dd28abe57958180", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-semaphore v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "53736da301ff9126cbe9802b8743eea0ad1f5b6e6f71a9060dd28abe57958180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53736da301ff9126cbe9802b8743eea0ad1f5b6e6f71a9060dd28abe57958180", kill_on_drop: false }`
[INFO] [stdout] 53736da301ff9126cbe9802b8743eea0ad1f5b6e6f71a9060dd28abe57958180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 5788a8c31d44a4c849a3a3145e0d70a8fc4ad0a5579583754ece5a3e9643e447
[INFO] running `Command { std: "docker" "start" "-a" "5788a8c31d44a4c849a3a3145e0d70a8fc4ad0a5579583754ece5a3e9643e447", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-semaphore v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "5788a8c31d44a4c849a3a3145e0d70a8fc4ad0a5579583754ece5a3e9643e447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5788a8c31d44a4c849a3a3145e0d70a8fc4ad0a5579583754ece5a3e9643e447", kill_on_drop: false }`
[INFO] [stdout] 5788a8c31d44a4c849a3a3145e0d70a8fc4ad0a5579583754ece5a3e9643e447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86e1c3b9262e2fcccb5f9493fb782239734632fb36438b95aa1eb5b6a6105325
[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" "86e1c3b9262e2fcccb5f9493fb782239734632fb36438b95aa1eb5b6a6105325", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_semaphore-9c52c72e694f882c)
[INFO] [stderr]      Running tests/semaphore.rs (/opt/rustwide/target/debug/deps/semaphore-73f9f148ce0f15e9)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test try_acquire ... ok
[INFO] [stdout] test as_mutex ... ok
[INFO] [stdout] test multi_resource ... ok
[INFO] [stderr]    Doc-tests async-semaphore
[INFO] [stdout] test stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Semaphore::acquire_arc (line 151) ... ok
[INFO] [stdout] test src/lib.rs - Semaphore::try_acquire_arc (line 113) ... ok
[INFO] [stdout] test src/lib.rs - Semaphore::acquire (line 81) ... ok
[INFO] [stdout] test src/lib.rs - Semaphore::new (line 25) ... ok
[INFO] [stdout] test src/lib.rs - Semaphore::try_acquire (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86e1c3b9262e2fcccb5f9493fb782239734632fb36438b95aa1eb5b6a6105325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e1c3b9262e2fcccb5f9493fb782239734632fb36438b95aa1eb5b6a6105325", kill_on_drop: false }`
[INFO] [stdout] 86e1c3b9262e2fcccb5f9493fb782239734632fb36438b95aa1eb5b6a6105325