[INFO] cloning repository https://github.com/vishaltelangre/ff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vishaltelangre/ff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishaltelangre%2Fff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishaltelangre%2Fff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7084353a24ad7938cbc0428e4a75eb433f648aaf
[INFO] testing vishaltelangre/ff against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishaltelangre%2Fff" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vishaltelangre/ff 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 git repo https://github.com/vishaltelangre/ff
[INFO] finished tweaking git repo https://github.com/vishaltelangre/ff
[INFO] tweaked toml for git repo https://github.com/vishaltelangre/ff written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/vishaltelangre/ff 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] e6351169500b9a656a79200b5315b8c2bc616bbdcd1251bac90d081f7f8400b4
[INFO] running `Command { std: "docker" "start" "-a" "e6351169500b9a656a79200b5315b8c2bc616bbdcd1251bac90d081f7f8400b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6351169500b9a656a79200b5315b8c2bc616bbdcd1251bac90d081f7f8400b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6351169500b9a656a79200b5315b8c2bc616bbdcd1251bac90d081f7f8400b4", kill_on_drop: false }`
[INFO] [stdout] e6351169500b9a656a79200b5315b8c2bc616bbdcd1251bac90d081f7f8400b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] baac7d25c3d2b03d4cb1a2bf2f4e3505bff1d69733cba0f3d92c1c837f69f30a
[INFO] running `Command { std: "docker" "start" "-a" "baac7d25c3d2b03d4cb1a2bf2f4e3505bff1d69733cba0f3d92c1c837f69f30a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling find-files v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "baac7d25c3d2b03d4cb1a2bf2f4e3505bff1d69733cba0f3d92c1c837f69f30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baac7d25c3d2b03d4cb1a2bf2f4e3505bff1d69733cba0f3d92c1c837f69f30a", kill_on_drop: false }`
[INFO] [stdout] baac7d25c3d2b03d4cb1a2bf2f4e3505bff1d69733cba0f3d92c1c837f69f30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 8179359dd1f40dbf4890b1f64c9afd8425b468b439db382335e7f211924c1991
[INFO] running `Command { std: "docker" "start" "-a" "8179359dd1f40dbf4890b1f64c9afd8425b468b439db382335e7f211924c1991", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-files v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "8179359dd1f40dbf4890b1f64c9afd8425b468b439db382335e7f211924c1991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8179359dd1f40dbf4890b1f64c9afd8425b468b439db382335e7f211924c1991", kill_on_drop: false }`
[INFO] [stdout] 8179359dd1f40dbf4890b1f64c9afd8425b468b439db382335e7f211924c1991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 547c9b1edb79d2f2c9a8747930498003352246665ceaa989962fdbb972ad846d
[INFO] running `Command { std: "docker" "start" "-a" "547c9b1edb79d2f2c9a8747930498003352246665ceaa989962fdbb972ad846d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ff-4a602762def8d141)
[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" "547c9b1edb79d2f2c9a8747930498003352246665ceaa989962fdbb972ad846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547c9b1edb79d2f2c9a8747930498003352246665ceaa989962fdbb972ad846d", kill_on_drop: false }`
[INFO] [stdout] 547c9b1edb79d2f2c9a8747930498003352246665ceaa989962fdbb972ad846d