[INFO] fetching crate opter 0.2.0...
[INFO] testing opter-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate opter 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate opter 0.2.0 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 opter 0.2.0
[INFO] finished tweaking crates.io crate opter 0.2.0
[INFO] tweaked toml for crates.io crate opter 0.2.0 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3ea62bb1f62e6e07fac16aee97d575ad465bc4d6b6c931bad7ecc4ffbe58a354
[INFO] running `Command { std: "docker" "start" "-a" "3ea62bb1f62e6e07fac16aee97d575ad465bc4d6b6c931bad7ecc4ffbe58a354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea62bb1f62e6e07fac16aee97d575ad465bc4d6b6c931bad7ecc4ffbe58a354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea62bb1f62e6e07fac16aee97d575ad465bc4d6b6c931bad7ecc4ffbe58a354", kill_on_drop: false }`
[INFO] [stdout] 3ea62bb1f62e6e07fac16aee97d575ad465bc4d6b6c931bad7ecc4ffbe58a354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 214dfb2e217d8ace6a293871d18bcf560cdd084451ba9cfac69c3b0955380d76
[INFO] running `Command { std: "docker" "start" "-a" "214dfb2e217d8ace6a293871d18bcf560cdd084451ba9cfac69c3b0955380d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling opter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "214dfb2e217d8ace6a293871d18bcf560cdd084451ba9cfac69c3b0955380d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214dfb2e217d8ace6a293871d18bcf560cdd084451ba9cfac69c3b0955380d76", kill_on_drop: false }`
[INFO] [stdout] 214dfb2e217d8ace6a293871d18bcf560cdd084451ba9cfac69c3b0955380d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] efa5c7086dbb3c3534e260ff1518e10919d8067617e3d4c1125ea2e4643ad900
[INFO] running `Command { std: "docker" "start" "-a" "efa5c7086dbb3c3534e260ff1518e10919d8067617e3d4c1125ea2e4643ad900", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling opter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "efa5c7086dbb3c3534e260ff1518e10919d8067617e3d4c1125ea2e4643ad900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa5c7086dbb3c3534e260ff1518e10919d8067617e3d4c1125ea2e4643ad900", kill_on_drop: false }`
[INFO] [stdout] efa5c7086dbb3c3534e260ff1518e10919d8067617e3d4c1125ea2e4643ad900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7cfef3d8df7b4cbe6a1b81b92e9642a2cb967b3e695d56196f9316e08147e74c
[INFO] running `Command { std: "docker" "start" "-a" "7cfef3d8df7b4cbe6a1b81b92e9642a2cb967b3e695d56196f9316e08147e74c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opter-6479d361e849c45a)
[INFO] [stdout] test tests::trailing_flag ... ok
[INFO] [stderr]    Doc-tests opter
[INFO] [stdout] test tests::full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "7cfef3d8df7b4cbe6a1b81b92e9642a2cb967b3e695d56196f9316e08147e74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfef3d8df7b4cbe6a1b81b92e9642a2cb967b3e695d56196f9316e08147e74c", kill_on_drop: false }`
[INFO] [stdout] 7cfef3d8df7b4cbe6a1b81b92e9642a2cb967b3e695d56196f9316e08147e74c