[INFO] fetching crate ab 0.0.0...
[INFO] testing ab-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ab 0.0.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate ab 0.0.0 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 ab 0.0.0
[INFO] finished tweaking crates.io crate ab 0.0.0
[INFO] tweaked toml for crates.io crate ab 0.0.0 written to /workspace/builds/worker-38/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] 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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] b759cc8c35b9eb91930499187c4e19bb53c5ed1c9f5d4377dd2b52e3d41f9d7f
[INFO] running `Command { std: "docker" "start" "-a" "b759cc8c35b9eb91930499187c4e19bb53c5ed1c9f5d4377dd2b52e3d41f9d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b759cc8c35b9eb91930499187c4e19bb53c5ed1c9f5d4377dd2b52e3d41f9d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b759cc8c35b9eb91930499187c4e19bb53c5ed1c9f5d4377dd2b52e3d41f9d7f", kill_on_drop: false }`
[INFO] [stdout] b759cc8c35b9eb91930499187c4e19bb53c5ed1c9f5d4377dd2b52e3d41f9d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 477383a4fc3feaad980878d5ee785e6e5f638e6943f741d91b0dc0566dccc27b
[INFO] running `Command { std: "docker" "start" "-a" "477383a4fc3feaad980878d5ee785e6e5f638e6943f741d91b0dc0566dccc27b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "477383a4fc3feaad980878d5ee785e6e5f638e6943f741d91b0dc0566dccc27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477383a4fc3feaad980878d5ee785e6e5f638e6943f741d91b0dc0566dccc27b", kill_on_drop: false }`
[INFO] [stdout] 477383a4fc3feaad980878d5ee785e6e5f638e6943f741d91b0dc0566dccc27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 096298d0dda9c4e4974b83275826ad10d97a0ff4bce59b77ca318da76fc55cc1
[INFO] running `Command { std: "docker" "start" "-a" "096298d0dda9c4e4974b83275826ad10d97a0ff4bce59b77ca318da76fc55cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "096298d0dda9c4e4974b83275826ad10d97a0ff4bce59b77ca318da76fc55cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096298d0dda9c4e4974b83275826ad10d97a0ff4bce59b77ca318da76fc55cc1", kill_on_drop: false }`
[INFO] [stdout] 096298d0dda9c4e4974b83275826ad10d97a0ff4bce59b77ca318da76fc55cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] d61ec2817cf4ec8f18cc497f3cc2c7b9d4f023be77ba89519a3fb4d82ce7e85c
[INFO] running `Command { std: "docker" "start" "-a" "d61ec2817cf4ec8f18cc497f3cc2c7b9d4f023be77ba89519a3fb4d82ce7e85c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ab-0df6f4664e64b50e)
[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] [stderr]    Doc-tests ab
[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" "d61ec2817cf4ec8f18cc497f3cc2c7b9d4f023be77ba89519a3fb4d82ce7e85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61ec2817cf4ec8f18cc497f3cc2c7b9d4f023be77ba89519a3fb4d82ce7e85c", kill_on_drop: false }`
[INFO] [stdout] d61ec2817cf4ec8f18cc497f3cc2c7b9d4f023be77ba89519a3fb4d82ce7e85c