[INFO] fetching crate seagul 0.2.0...
[INFO] testing seagul-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate seagul 0.2.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate seagul 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-40/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c455488a23b7c11f793e3b46d8fa3d0a5e55cb11a03850180c6587b9b276c33
[INFO] running `Command { std: "docker" "start" "-a" "4c455488a23b7c11f793e3b46d8fa3d0a5e55cb11a03850180c6587b9b276c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c455488a23b7c11f793e3b46d8fa3d0a5e55cb11a03850180c6587b9b276c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c455488a23b7c11f793e3b46d8fa3d0a5e55cb11a03850180c6587b9b276c33", kill_on_drop: false }`
[INFO] [stdout] 4c455488a23b7c11f793e3b46d8fa3d0a5e55cb11a03850180c6587b9b276c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d81de87d7b7d088a1e0919a8831c62f64e95ce41f82056fbf1703889aaf53060
[INFO] running `Command { std: "docker" "start" "-a" "d81de87d7b7d088a1e0919a8831c62f64e95ce41f82056fbf1703889aaf53060", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 deflate v0.8.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[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 22.87s
[INFO] running `Command { std: "docker" "inspect" "d81de87d7b7d088a1e0919a8831c62f64e95ce41f82056fbf1703889aaf53060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81de87d7b7d088a1e0919a8831c62f64e95ce41f82056fbf1703889aaf53060", kill_on_drop: false }`
[INFO] [stdout] d81de87d7b7d088a1e0919a8831c62f64e95ce41f82056fbf1703889aaf53060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf25a74a511d7514802e7a3cd0cc51eb6fcc93f2ab9f14a2c50a47aed356b1cc
[INFO] running `Command { std: "docker" "start" "-a" "bf25a74a511d7514802e7a3cd0cc51eb6fcc93f2ab9f14a2c50a47aed356b1cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "bf25a74a511d7514802e7a3cd0cc51eb6fcc93f2ab9f14a2c50a47aed356b1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf25a74a511d7514802e7a3cd0cc51eb6fcc93f2ab9f14a2c50a47aed356b1cc", kill_on_drop: false }`
[INFO] [stdout] bf25a74a511d7514802e7a3cd0cc51eb6fcc93f2ab9f14a2c50a47aed356b1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66cb9e6f6e1f1f0046483bf96317d6a7db638186c93464bbb9b88ad8cd9ab6fb
[INFO] running `Command { std: "docker" "start" "-a" "66cb9e6f6e1f1f0046483bf96317d6a7db638186c93464bbb9b88ad8cd9ab6fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "66cb9e6f6e1f1f0046483bf96317d6a7db638186c93464bbb9b88ad8cd9ab6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cb9e6f6e1f1f0046483bf96317d6a7db638186c93464bbb9b88ad8cd9ab6fb", kill_on_drop: false }`
[INFO] [stdout] 66cb9e6f6e1f1f0046483bf96317d6a7db638186c93464bbb9b88ad8cd9ab6fb