[INFO] fetching crate opt 0.1.0...
[INFO] testing opt-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate opt 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate opt 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt 0.1.0
[INFO] finished tweaking crates.io crate opt 0.1.0
[INFO] tweaked toml for crates.io crate opt 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d945288a96d62cc8cffe8f51d8455d044b92303198ea941ede9ec1fb6dabe8a8
[INFO] running `Command { std: "docker" "start" "-a" "d945288a96d62cc8cffe8f51d8455d044b92303198ea941ede9ec1fb6dabe8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d945288a96d62cc8cffe8f51d8455d044b92303198ea941ede9ec1fb6dabe8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d945288a96d62cc8cffe8f51d8455d044b92303198ea941ede9ec1fb6dabe8a8", kill_on_drop: false }`
[INFO] [stdout] d945288a96d62cc8cffe8f51d8455d044b92303198ea941ede9ec1fb6dabe8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66be5b6aead3d0cc97a7a12e94e61abb000c6e23cabc7850243af2e6077b0354
[INFO] running `Command { std: "docker" "start" "-a" "66be5b6aead3d0cc97a7a12e94e61abb000c6e23cabc7850243af2e6077b0354", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "66be5b6aead3d0cc97a7a12e94e61abb000c6e23cabc7850243af2e6077b0354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66be5b6aead3d0cc97a7a12e94e61abb000c6e23cabc7850243af2e6077b0354", kill_on_drop: false }`
[INFO] [stdout] 66be5b6aead3d0cc97a7a12e94e61abb000c6e23cabc7850243af2e6077b0354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a65af78de45646b678abcbad0f5bf449606be0bee8c9942131671d678d6e559
[INFO] running `Command { std: "docker" "start" "-a" "0a65af78de45646b678abcbad0f5bf449606be0bee8c9942131671d678d6e559", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/opt-ec6d54f9102e58e9)
[INFO] running `Command { std: "docker" "inspect" "0a65af78de45646b678abcbad0f5bf449606be0bee8c9942131671d678d6e559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a65af78de45646b678abcbad0f5bf449606be0bee8c9942131671d678d6e559", kill_on_drop: false }`
[INFO] [stdout] 0a65af78de45646b678abcbad0f5bf449606be0bee8c9942131671d678d6e559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46fc5c7036d6307bc0af43e5571d9afc71ef35e97c8544b03ba75af8f23bd62d
[INFO] running `Command { std: "docker" "start" "-a" "46fc5c7036d6307bc0af43e5571d9afc71ef35e97c8544b03ba75af8f23bd62d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opt-ec6d54f9102e58e9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opt
[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" "46fc5c7036d6307bc0af43e5571d9afc71ef35e97c8544b03ba75af8f23bd62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fc5c7036d6307bc0af43e5571d9afc71ef35e97c8544b03ba75af8f23bd62d", kill_on_drop: false }`
[INFO] [stdout] 46fc5c7036d6307bc0af43e5571d9afc71ef35e97c8544b03ba75af8f23bd62d