[INFO] fetching crate empty-library 1.0.0...
[INFO] testing empty-library-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate empty-library 1.0.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate empty-library 1.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty-library 1.0.0
[INFO] finished tweaking crates.io crate empty-library 1.0.0
[INFO] tweaked toml for crates.io crate empty-library 1.0.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72a1c9c2bad6f15010af1b7170ab210ed9262157552a3c8ba703b3cda3b3d73d
[INFO] running `Command { std: "docker" "start" "-a" "72a1c9c2bad6f15010af1b7170ab210ed9262157552a3c8ba703b3cda3b3d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a1c9c2bad6f15010af1b7170ab210ed9262157552a3c8ba703b3cda3b3d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a1c9c2bad6f15010af1b7170ab210ed9262157552a3c8ba703b3cda3b3d73d", kill_on_drop: false }`
[INFO] [stdout] 72a1c9c2bad6f15010af1b7170ab210ed9262157552a3c8ba703b3cda3b3d73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7797fbb68f9aaaab53b14f42ae5856e101c23254c16e7d407ec5b139e8ff3ced
[INFO] running `Command { std: "docker" "start" "-a" "7797fbb68f9aaaab53b14f42ae5856e101c23254c16e7d407ec5b139e8ff3ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-library v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "7797fbb68f9aaaab53b14f42ae5856e101c23254c16e7d407ec5b139e8ff3ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7797fbb68f9aaaab53b14f42ae5856e101c23254c16e7d407ec5b139e8ff3ced", kill_on_drop: false }`
[INFO] [stdout] 7797fbb68f9aaaab53b14f42ae5856e101c23254c16e7d407ec5b139e8ff3ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 832f9d1fe8345e1e98c335ba5101d79b9f0bf5d69f01ef5f074aad6fa6a650ee
[INFO] running `Command { std: "docker" "start" "-a" "832f9d1fe8345e1e98c335ba5101d79b9f0bf5d69f01ef5f074aad6fa6a650ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-library v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "832f9d1fe8345e1e98c335ba5101d79b9f0bf5d69f01ef5f074aad6fa6a650ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832f9d1fe8345e1e98c335ba5101d79b9f0bf5d69f01ef5f074aad6fa6a650ee", kill_on_drop: false }`
[INFO] [stdout] 832f9d1fe8345e1e98c335ba5101d79b9f0bf5d69f01ef5f074aad6fa6a650ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97b451ca598657ecc47ccafc01b6bea2698eddde1af6b361f5e5947ffbd66b44
[INFO] running `Command { std: "docker" "start" "-a" "97b451ca598657ecc47ccafc01b6bea2698eddde1af6b361f5e5947ffbd66b44", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty_library-ffb54eac893cae6c)
[INFO] [stderr]    Doc-tests empty-library
[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 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" "97b451ca598657ecc47ccafc01b6bea2698eddde1af6b361f5e5947ffbd66b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b451ca598657ecc47ccafc01b6bea2698eddde1af6b361f5e5947ffbd66b44", kill_on_drop: false }`
[INFO] [stdout] 97b451ca598657ecc47ccafc01b6bea2698eddde1af6b361f5e5947ffbd66b44