[INFO] crate std-semaphore 0.1.0 is already in cache
[INFO] testing std-semaphore-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate std-semaphore 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate std-semaphore 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate std-semaphore 0.1.0
[INFO] finished tweaking crates.io crate std-semaphore 0.1.0
[INFO] tweaked toml for crates.io crate std-semaphore 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 288a6741016f7cc1e91deb1467521b772eea63d6fee927fbd5363016cf7d175d
[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" "288a6741016f7cc1e91deb1467521b772eea63d6fee927fbd5363016cf7d175d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288a6741016f7cc1e91deb1467521b772eea63d6fee927fbd5363016cf7d175d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288a6741016f7cc1e91deb1467521b772eea63d6fee927fbd5363016cf7d175d", kill_on_drop: false }`
[INFO] [stdout] 288a6741016f7cc1e91deb1467521b772eea63d6fee927fbd5363016cf7d175d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b36be5a5e81af805a4e0f9bf04743989f9c332f5da118fe5e5a17560fa97763
[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" "5b36be5a5e81af805a4e0f9bf04743989f9c332f5da118fe5e5a17560fa97763", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-semaphore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "5b36be5a5e81af805a4e0f9bf04743989f9c332f5da118fe5e5a17560fa97763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b36be5a5e81af805a4e0f9bf04743989f9c332f5da118fe5e5a17560fa97763", kill_on_drop: false }`
[INFO] [stdout] 5b36be5a5e81af805a4e0f9bf04743989f9c332f5da118fe5e5a17560fa97763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b2186f0be73318096dc5501cced4166b9a555557499eeadcd6bc31d89ef5ff
[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" "b1b2186f0be73318096dc5501cced4166b9a555557499eeadcd6bc31d89ef5ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-semaphore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "b1b2186f0be73318096dc5501cced4166b9a555557499eeadcd6bc31d89ef5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b2186f0be73318096dc5501cced4166b9a555557499eeadcd6bc31d89ef5ff", kill_on_drop: false }`
[INFO] [stdout] b1b2186f0be73318096dc5501cced4166b9a555557499eeadcd6bc31d89ef5ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7736e886bb2fdc36a0ded13b4d90f8adef849965e20af4ac0fba1e9475dcff8f
[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" "7736e886bb2fdc36a0ded13b4d90f8adef849965e20af4ac0fba1e9475dcff8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/std_semaphore-341d0e8ebeac1291
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_sem_acquire_release ... ok
[INFO] [stdout] test tests::test_sem_basic ... ok
[INFO] [stdout] test tests::test_sem_as_mutex ... ok
[INFO] [stdout] test tests::test_sem_runtime_friendly_blocking ... ok
[INFO] [stdout] test tests::test_sem_as_cvar ... ok
[INFO] [stdout] test tests::test_sem_multi_resource ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests std-semaphore
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Semaphore (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7736e886bb2fdc36a0ded13b4d90f8adef849965e20af4ac0fba1e9475dcff8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7736e886bb2fdc36a0ded13b4d90f8adef849965e20af4ac0fba1e9475dcff8f", kill_on_drop: false }`
[INFO] [stdout] 7736e886bb2fdc36a0ded13b4d90f8adef849965e20af4ac0fba1e9475dcff8f