[INFO] fetching crate seagul 0.2.0...
[INFO] testing seagul-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate seagul 0.2.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate seagul 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seagul 0.2.0
[INFO] finished tweaking crates.io crate seagul 0.2.0
[INFO] tweaked toml for crates.io crate seagul 0.2.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate seagul 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seagul_core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1ff075867a2383eeadd6552342777d643adb3e7fd68e944755549d6dafbb890
[INFO] running `Command { std: "docker" "start" "-a" "d1ff075867a2383eeadd6552342777d643adb3e7fd68e944755549d6dafbb890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ff075867a2383eeadd6552342777d643adb3e7fd68e944755549d6dafbb890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ff075867a2383eeadd6552342777d643adb3e7fd68e944755549d6dafbb890", kill_on_drop: false }`
[INFO] [stdout] d1ff075867a2383eeadd6552342777d643adb3e7fd68e944755549d6dafbb890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6747c919408d61c3ed0a10a15b39682da5dd7b646b7f42531f15f485c776a28
[INFO] running `Command { std: "docker" "start" "-a" "c6747c919408d61c3ed0a10a15b39682da5dd7b646b7f42531f15f485c776a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling seagul_core v0.1.0
[INFO] [stderr]    Compiling seagul v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "c6747c919408d61c3ed0a10a15b39682da5dd7b646b7f42531f15f485c776a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6747c919408d61c3ed0a10a15b39682da5dd7b646b7f42531f15f485c776a28", kill_on_drop: false }`
[INFO] [stdout] c6747c919408d61c3ed0a10a15b39682da5dd7b646b7f42531f15f485c776a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c505ddb95c5784d2207d1f4200bcb6f1a128d739c158bf18fdfc5cf04d59b873
[INFO] running `Command { std: "docker" "start" "-a" "c505ddb95c5784d2207d1f4200bcb6f1a128d739c158bf18fdfc5cf04d59b873", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "c505ddb95c5784d2207d1f4200bcb6f1a128d739c158bf18fdfc5cf04d59b873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c505ddb95c5784d2207d1f4200bcb6f1a128d739c158bf18fdfc5cf04d59b873", kill_on_drop: false }`
[INFO] [stdout] c505ddb95c5784d2207d1f4200bcb6f1a128d739c158bf18fdfc5cf04d59b873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0cc27b6f6fdf87a511183e2d56ecd2bc4dfdc866b19b850c9fecf3fd3e0d69b
[INFO] running `Command { std: "docker" "start" "-a" "f0cc27b6f6fdf87a511183e2d56ecd2bc4dfdc866b19b850c9fecf3fd3e0d69b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "f0cc27b6f6fdf87a511183e2d56ecd2bc4dfdc866b19b850c9fecf3fd3e0d69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0cc27b6f6fdf87a511183e2d56ecd2bc4dfdc866b19b850c9fecf3fd3e0d69b", kill_on_drop: false }`
[INFO] [stdout] f0cc27b6f6fdf87a511183e2d56ecd2bc4dfdc866b19b850c9fecf3fd3e0d69b