[INFO] fetching crate mimer 0.1.0...
[INFO] testing mimer-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mimer 0.1.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate mimer 0.1.0 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 mimer 0.1.0
[INFO] finished tweaking crates.io crate mimer 0.1.0
[INFO] tweaked toml for crates.io crate mimer 0.1.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate mimer 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded csv v1.1.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 5896b80eb2a82e8b6629095bf4ec3534ad47eae6196170d5fad1baac728035bd
[INFO] running `Command { std: "docker" "start" "-a" "5896b80eb2a82e8b6629095bf4ec3534ad47eae6196170d5fad1baac728035bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5896b80eb2a82e8b6629095bf4ec3534ad47eae6196170d5fad1baac728035bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5896b80eb2a82e8b6629095bf4ec3534ad47eae6196170d5fad1baac728035bd", kill_on_drop: false }`
[INFO] [stdout] 5896b80eb2a82e8b6629095bf4ec3534ad47eae6196170d5fad1baac728035bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 66c028b55794d552dfe48dd43b4ba4d22610e0a48e68917dcaa9c8802b456e8a
[INFO] running `Command { std: "docker" "start" "-a" "66c028b55794d552dfe48dd43b4ba4d22610e0a48e68917dcaa9c8802b456e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling mimer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "66c028b55794d552dfe48dd43b4ba4d22610e0a48e68917dcaa9c8802b456e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c028b55794d552dfe48dd43b4ba4d22610e0a48e68917dcaa9c8802b456e8a", kill_on_drop: false }`
[INFO] [stdout] 66c028b55794d552dfe48dd43b4ba4d22610e0a48e68917dcaa9c8802b456e8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] b61fa3d7b0c4497177582f934160864069a72935c7bcd5ddd7a8a11d5b0d5a07
[INFO] running `Command { std: "docker" "start" "-a" "b61fa3d7b0c4497177582f934160864069a72935c7bcd5ddd7a8a11d5b0d5a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "b61fa3d7b0c4497177582f934160864069a72935c7bcd5ddd7a8a11d5b0d5a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61fa3d7b0c4497177582f934160864069a72935c7bcd5ddd7a8a11d5b0d5a07", kill_on_drop: false }`
[INFO] [stdout] b61fa3d7b0c4497177582f934160864069a72935c7bcd5ddd7a8a11d5b0d5a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 0b8e9c6c3122f253722a496af59c894c6cb51ffa6297f248238a8cf6c7a4b142
[INFO] running `Command { std: "docker" "start" "-a" "0b8e9c6c3122f253722a496af59c894c6cb51ffa6297f248238a8cf6c7a4b142", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mimer-2a5bc1d055182e3a)
[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" "0b8e9c6c3122f253722a496af59c894c6cb51ffa6297f248238a8cf6c7a4b142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8e9c6c3122f253722a496af59c894c6cb51ffa6297f248238a8cf6c7a4b142", kill_on_drop: false }`
[INFO] [stdout] 0b8e9c6c3122f253722a496af59c894c6cb51ffa6297f248238a8cf6c7a4b142