[INFO] fetching crate opter 0.2.0...
[INFO] testing opter-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate opter 0.2.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate opter 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c968f620360761fb1e18943315787f1e4f39b46769090ce658f871a8fbe921f5
[INFO] running `Command { std: "docker" "start" "-a" "c968f620360761fb1e18943315787f1e4f39b46769090ce658f871a8fbe921f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c968f620360761fb1e18943315787f1e4f39b46769090ce658f871a8fbe921f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c968f620360761fb1e18943315787f1e4f39b46769090ce658f871a8fbe921f5", kill_on_drop: false }`
[INFO] [stdout] c968f620360761fb1e18943315787f1e4f39b46769090ce658f871a8fbe921f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae73481ff28feb95f27beabfa435e5447f3a80023097cc4a5b94787aebb95c1
[INFO] running `Command { std: "docker" "start" "-a" "7ae73481ff28feb95f27beabfa435e5447f3a80023097cc4a5b94787aebb95c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling opter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "7ae73481ff28feb95f27beabfa435e5447f3a80023097cc4a5b94787aebb95c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae73481ff28feb95f27beabfa435e5447f3a80023097cc4a5b94787aebb95c1", kill_on_drop: false }`
[INFO] [stdout] 7ae73481ff28feb95f27beabfa435e5447f3a80023097cc4a5b94787aebb95c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a95d04c95165604712d29e13737a5e45030db29a00659f2481091261033a68
[INFO] running `Command { std: "docker" "start" "-a" "a2a95d04c95165604712d29e13737a5e45030db29a00659f2481091261033a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling opter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "a2a95d04c95165604712d29e13737a5e45030db29a00659f2481091261033a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a95d04c95165604712d29e13737a5e45030db29a00659f2481091261033a68", kill_on_drop: false }`
[INFO] [stdout] a2a95d04c95165604712d29e13737a5e45030db29a00659f2481091261033a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f8a7968f6a6150d002d17ad8d110ee16b5a973a12a6bde198e6329952d577a1
[INFO] running `Command { std: "docker" "start" "-a" "5f8a7968f6a6150d002d17ad8d110ee16b5a973a12a6bde198e6329952d577a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opter-55a004cc52fd0b1b)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::full ... ok
[INFO] [stdout] test tests::trailing_flag ... 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] [stderr]    Doc-tests opter
[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" "5f8a7968f6a6150d002d17ad8d110ee16b5a973a12a6bde198e6329952d577a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8a7968f6a6150d002d17ad8d110ee16b5a973a12a6bde198e6329952d577a1", kill_on_drop: false }`
[INFO] [stdout] 5f8a7968f6a6150d002d17ad8d110ee16b5a973a12a6bde198e6329952d577a1