[INFO] fetching crate semka 2.0.6...
[INFO] testing semka-2.0.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate semka 2.0.6 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate semka 2.0.6 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate semka 2.0.6
[INFO] finished tweaking crates.io crate semka 2.0.6
[INFO] tweaked toml for crates.io crate semka 2.0.6 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5636811057f09609ee6bd5a7507f2a385edc525f00f240fb98adb130ebf0fedb
[INFO] running `Command { std: "docker" "start" "-a" "5636811057f09609ee6bd5a7507f2a385edc525f00f240fb98adb130ebf0fedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5636811057f09609ee6bd5a7507f2a385edc525f00f240fb98adb130ebf0fedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5636811057f09609ee6bd5a7507f2a385edc525f00f240fb98adb130ebf0fedb", kill_on_drop: false }`
[INFO] [stdout] 5636811057f09609ee6bd5a7507f2a385edc525f00f240fb98adb130ebf0fedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13933f6bf1787221aea59b60e7871509849183181da02457c9ccc0251c1da111
[INFO] running `Command { std: "docker" "start" "-a" "13933f6bf1787221aea59b60e7871509849183181da02457c9ccc0251c1da111", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling str-buf v1.0.5
[INFO] [stderr]    Compiling error-code v2.3.1
[INFO] [stderr]    Compiling semka v2.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "13933f6bf1787221aea59b60e7871509849183181da02457c9ccc0251c1da111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13933f6bf1787221aea59b60e7871509849183181da02457c9ccc0251c1da111", kill_on_drop: false }`
[INFO] [stdout] 13933f6bf1787221aea59b60e7871509849183181da02457c9ccc0251c1da111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc92cf6e2347497539332008e63e78382d4f19b7c0a1345c1002adc9f50f0f0b
[INFO] running `Command { std: "docker" "start" "-a" "dc92cf6e2347497539332008e63e78382d4f19b7c0a1345c1002adc9f50f0f0b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semka v2.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "dc92cf6e2347497539332008e63e78382d4f19b7c0a1345c1002adc9f50f0f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc92cf6e2347497539332008e63e78382d4f19b7c0a1345c1002adc9f50f0f0b", kill_on_drop: false }`
[INFO] [stdout] dc92cf6e2347497539332008e63e78382d4f19b7c0a1345c1002adc9f50f0f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b062aa6fe54e070d6c002963b0be743d08126664c0af7512945862dc09223e7
[INFO] running `Command { std: "docker" "start" "-a" "9b062aa6fe54e070d6c002963b0be743d08126664c0af7512945862dc09223e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/semka-dffce4469d764af8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sem.rs (/opt/rustwide/target/debug/deps/sem-d2f355b77e6b64da)
[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 should_fail_init_twice ... ok
[INFO] [stdout] test should_init_after_close ... ok
[INFO] [stdout] test should_return_when_signaled_counting ... ok
[INFO] [stdout] test should_timeout_on_wait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.50s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests semka
[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] running `Command { std: "docker" "inspect" "9b062aa6fe54e070d6c002963b0be743d08126664c0af7512945862dc09223e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b062aa6fe54e070d6c002963b0be743d08126664c0af7512945862dc09223e7", kill_on_drop: false }`
[INFO] [stdout] 9b062aa6fe54e070d6c002963b0be743d08126664c0af7512945862dc09223e7