[INFO] fetching crate async-semaphore 1.2.0...
[INFO] testing async-semaphore-1.2.0 against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f70d27067f91e5ab4afaa393c4b5aaa2e5285510f414dea182c1d795c6b4864
[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" "0f70d27067f91e5ab4afaa393c4b5aaa2e5285510f414dea182c1d795c6b4864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f70d27067f91e5ab4afaa393c4b5aaa2e5285510f414dea182c1d795c6b4864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f70d27067f91e5ab4afaa393c4b5aaa2e5285510f414dea182c1d795c6b4864", kill_on_drop: false }`
[INFO] [stdout] 0f70d27067f91e5ab4afaa393c4b5aaa2e5285510f414dea182c1d795c6b4864
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21275032fc38ffd610e66a056ef42f7e4d4b07e494e784eccafd59e8fb02817
[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" "b21275032fc38ffd610e66a056ef42f7e4d4b07e494e784eccafd59e8fb02817", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-semaphore v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b21275032fc38ffd610e66a056ef42f7e4d4b07e494e784eccafd59e8fb02817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21275032fc38ffd610e66a056ef42f7e4d4b07e494e784eccafd59e8fb02817", kill_on_drop: false }`
[INFO] [stdout] b21275032fc38ffd610e66a056ef42f7e4d4b07e494e784eccafd59e8fb02817
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00fff69638172f4b85c40b674637e0c1a11f2784b9f14e280429fc3a32e931e
[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" "a00fff69638172f4b85c40b674637e0c1a11f2784b9f14e280429fc3a32e931e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling async-semaphore v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "a00fff69638172f4b85c40b674637e0c1a11f2784b9f14e280429fc3a32e931e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00fff69638172f4b85c40b674637e0c1a11f2784b9f14e280429fc3a32e931e", kill_on_drop: false }`
[INFO] [stdout] a00fff69638172f4b85c40b674637e0c1a11f2784b9f14e280429fc3a32e931e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2c535dec52593a3d1e8f2de10483b622265b119befcad6da5eb7f70d34e92d10
[INFO] running `Command { std: "docker" "start" "-a" "2c535dec52593a3d1e8f2de10483b622265b119befcad6da5eb7f70d34e92d10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_semaphore-eb0bd1ec2f83de9b
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/semaphore-765ee592b075d42e
[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] [stdout] test stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-semaphore
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Semaphore::try_acquire (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Semaphore::new (line 25) ... 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::acquire_arc (line 151) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c535dec52593a3d1e8f2de10483b622265b119befcad6da5eb7f70d34e92d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c535dec52593a3d1e8f2de10483b622265b119befcad6da5eb7f70d34e92d10", kill_on_drop: false }`
[INFO] [stdout] 2c535dec52593a3d1e8f2de10483b622265b119befcad6da5eb7f70d34e92d10