[INFO] fetching crate c2 0.2.0...
[INFO] testing c2-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate c2 0.2.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate c2 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 c2 0.2.0
[INFO] finished tweaking crates.io crate c2 0.2.0
[INFO] tweaked toml for crates.io crate c2 0.2.0 written to /workspace/builds/worker-22/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 17d8a7baeead8a16fd3e88e754ed837257b5820cc2ebca224a372a004ad9dd2f
[INFO] running `Command { std: "docker" "start" "-a" "17d8a7baeead8a16fd3e88e754ed837257b5820cc2ebca224a372a004ad9dd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17d8a7baeead8a16fd3e88e754ed837257b5820cc2ebca224a372a004ad9dd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d8a7baeead8a16fd3e88e754ed837257b5820cc2ebca224a372a004ad9dd2f", kill_on_drop: false }`
[INFO] [stdout] 17d8a7baeead8a16fd3e88e754ed837257b5820cc2ebca224a372a004ad9dd2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] ff2b177e7c8d4c260f3cd7de81a78958e483acbcae822180aaad5a8c7b06ba30
[INFO] running `Command { std: "docker" "start" "-a" "ff2b177e7c8d4c260f3cd7de81a78958e483acbcae822180aaad5a8c7b06ba30", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2-sys v0.2.0
[INFO] [stderr]    Compiling c2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ff2b177e7c8d4c260f3cd7de81a78958e483acbcae822180aaad5a8c7b06ba30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2b177e7c8d4c260f3cd7de81a78958e483acbcae822180aaad5a8c7b06ba30", kill_on_drop: false }`
[INFO] [stdout] ff2b177e7c8d4c260f3cd7de81a78958e483acbcae822180aaad5a8c7b06ba30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 1e538eaa3461ff7a0b74584c95f0ab34a3f66636291e3fb0da2291491c11d2e2
[INFO] running `Command { std: "docker" "start" "-a" "1e538eaa3461ff7a0b74584c95f0ab34a3f66636291e3fb0da2291491c11d2e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "1e538eaa3461ff7a0b74584c95f0ab34a3f66636291e3fb0da2291491c11d2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e538eaa3461ff7a0b74584c95f0ab34a3f66636291e3fb0da2291491c11d2e2", kill_on_drop: false }`
[INFO] [stdout] 1e538eaa3461ff7a0b74584c95f0ab34a3f66636291e3fb0da2291491c11d2e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f36eb397e3fea372534e73ac5687506bad44054481f11f2ee1e7f9cb8dbdd68f
[INFO] running `Command { std: "docker" "start" "-a" "f36eb397e3fea372534e73ac5687506bad44054481f11f2ee1e7f9cb8dbdd68f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c2-756c0d0a99cdc2b9)
[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 c2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f36eb397e3fea372534e73ac5687506bad44054481f11f2ee1e7f9cb8dbdd68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36eb397e3fea372534e73ac5687506bad44054481f11f2ee1e7f9cb8dbdd68f", kill_on_drop: false }`
[INFO] [stdout] f36eb397e3fea372534e73ac5687506bad44054481f11f2ee1e7f9cb8dbdd68f