[INFO] fetching crate rubbl 0.2.2...
[INFO] testing rubbl-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rubbl 0.2.2 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate rubbl 0.2.2 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 rubbl 0.2.2
[INFO] finished tweaking crates.io crate rubbl 0.2.2
[INFO] tweaked toml for crates.io crate rubbl 0.2.2 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate crates.io crate rubbl 0.2.2 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] c5045f57a686a2bd96719dbaefeb4acce143ce534cf51ecb771ee0ac8a2f2602
[INFO] running `Command { std: "docker" "start" "-a" "c5045f57a686a2bd96719dbaefeb4acce143ce534cf51ecb771ee0ac8a2f2602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5045f57a686a2bd96719dbaefeb4acce143ce534cf51ecb771ee0ac8a2f2602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5045f57a686a2bd96719dbaefeb4acce143ce534cf51ecb771ee0ac8a2f2602", kill_on_drop: false }`
[INFO] [stdout] c5045f57a686a2bd96719dbaefeb4acce143ce534cf51ecb771ee0ac8a2f2602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] cddc90a1e06700d219adb8c0fb11fe6467c13eed967d31a8a41346fb4c23e26c
[INFO] running `Command { std: "docker" "start" "-a" "cddc90a1e06700d219adb8c0fb11fe6467c13eed967d31a8a41346fb4c23e26c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rubbl_core v0.2.0
[INFO] [stderr]    Compiling rubbl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.34s
[INFO] running `Command { std: "docker" "inspect" "cddc90a1e06700d219adb8c0fb11fe6467c13eed967d31a8a41346fb4c23e26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cddc90a1e06700d219adb8c0fb11fe6467c13eed967d31a8a41346fb4c23e26c", kill_on_drop: false }`
[INFO] [stdout] cddc90a1e06700d219adb8c0fb11fe6467c13eed967d31a8a41346fb4c23e26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 335ee31ae17eebb3b6b91a13a3230eba8bdc609340c33192d2ec629d15c2c3fc
[INFO] running `Command { std: "docker" "start" "-a" "335ee31ae17eebb3b6b91a13a3230eba8bdc609340c33192d2ec629d15c2c3fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rubbl v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "335ee31ae17eebb3b6b91a13a3230eba8bdc609340c33192d2ec629d15c2c3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335ee31ae17eebb3b6b91a13a3230eba8bdc609340c33192d2ec629d15c2c3fc", kill_on_drop: false }`
[INFO] [stdout] 335ee31ae17eebb3b6b91a13a3230eba8bdc609340c33192d2ec629d15c2c3fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] fe4c5297a3954dfac9828734fafb4cfc94406acb3ebf59437cd32b6bbe999e0a
[INFO] running `Command { std: "docker" "start" "-a" "fe4c5297a3954dfac9828734fafb4cfc94406acb3ebf59437cd32b6bbe999e0a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rubbl-5adbec83cee1bd0d)
[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" "fe4c5297a3954dfac9828734fafb4cfc94406acb3ebf59437cd32b6bbe999e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4c5297a3954dfac9828734fafb4cfc94406acb3ebf59437cd32b6bbe999e0a", kill_on_drop: false }`
[INFO] [stdout] fe4c5297a3954dfac9828734fafb4cfc94406acb3ebf59437cd32b6bbe999e0a