[INFO] fetching crate opt 0.1.0...
[INFO] testing opt-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate opt 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate opt 0.1.0 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 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-10/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2c209a9d1eed5291833d9bf7af518a46b78a5376f2c8de3f811714a9cb61ae9d
[INFO] running `Command { std: "docker" "start" "-a" "2c209a9d1eed5291833d9bf7af518a46b78a5376f2c8de3f811714a9cb61ae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c209a9d1eed5291833d9bf7af518a46b78a5376f2c8de3f811714a9cb61ae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c209a9d1eed5291833d9bf7af518a46b78a5376f2c8de3f811714a9cb61ae9d", kill_on_drop: false }`
[INFO] [stdout] 2c209a9d1eed5291833d9bf7af518a46b78a5376f2c8de3f811714a9cb61ae9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c1be6c16e73a16a2085d14033ee858a8b384b07a42dbf3e738dfcfc482a3aeae
[INFO] running `Command { std: "docker" "start" "-a" "c1be6c16e73a16a2085d14033ee858a8b384b07a42dbf3e738dfcfc482a3aeae", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "c1be6c16e73a16a2085d14033ee858a8b384b07a42dbf3e738dfcfc482a3aeae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1be6c16e73a16a2085d14033ee858a8b384b07a42dbf3e738dfcfc482a3aeae", kill_on_drop: false }`
[INFO] [stdout] c1be6c16e73a16a2085d14033ee858a8b384b07a42dbf3e738dfcfc482a3aeae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 265296d91bb16f2b6fe946e0b5a31da4b595b935d3e30809a18183174978ed5b
[INFO] running `Command { std: "docker" "start" "-a" "265296d91bb16f2b6fe946e0b5a31da4b595b935d3e30809a18183174978ed5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "265296d91bb16f2b6fe946e0b5a31da4b595b935d3e30809a18183174978ed5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265296d91bb16f2b6fe946e0b5a31da4b595b935d3e30809a18183174978ed5b", kill_on_drop: false }`
[INFO] [stdout] 265296d91bb16f2b6fe946e0b5a31da4b595b935d3e30809a18183174978ed5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1e093efc2185cfa04fefe4c81dabf0d2502985371c90c80a5aede9cb3c6992e4
[INFO] running `Command { std: "docker" "start" "-a" "1e093efc2185cfa04fefe4c81dabf0d2502985371c90c80a5aede9cb3c6992e4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opt-ec6d54f9102e58e9)
[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" "1e093efc2185cfa04fefe4c81dabf0d2502985371c90c80a5aede9cb3c6992e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e093efc2185cfa04fefe4c81dabf0d2502985371c90c80a5aede9cb3c6992e4", kill_on_drop: false }`
[INFO] [stdout] 1e093efc2185cfa04fefe4c81dabf0d2502985371c90c80a5aede9cb3c6992e4