[INFO] cloning repository https://github.com/girtsf/rust-ff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/girtsf/rust-ff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Frust-ff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Frust-ff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63af8f8524994e6b7e2f0b6332ebc311287be1a6
[INFO] testing girtsf/rust-ff against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Frust-ff" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/girtsf/rust-ff on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/girtsf/rust-ff
[INFO] finished tweaking git repo https://github.com/girtsf/rust-ff
[INFO] tweaked toml for git repo https://github.com/girtsf/rust-ff written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/girtsf/rust-ff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632ec13197f9240693fa9b926c80478f81aaec68e92834e594fb0624ef8ddd7a
[INFO] running `Command { std: "docker" "start" "-a" "632ec13197f9240693fa9b926c80478f81aaec68e92834e594fb0624ef8ddd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632ec13197f9240693fa9b926c80478f81aaec68e92834e594fb0624ef8ddd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632ec13197f9240693fa9b926c80478f81aaec68e92834e594fb0624ef8ddd7a", kill_on_drop: false }`
[INFO] [stdout] 632ec13197f9240693fa9b926c80478f81aaec68e92834e594fb0624ef8ddd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b38d4d0b4450191c24161806a5dc8bd6f9d683c028002c088dd1897d368f91e1
[INFO] running `Command { std: "docker" "start" "-a" "b38d4d0b4450191c24161806a5dc8bd6f9d683c028002c088dd1897d368f91e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling ff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.62s
[INFO] running `Command { std: "docker" "inspect" "b38d4d0b4450191c24161806a5dc8bd6f9d683c028002c088dd1897d368f91e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38d4d0b4450191c24161806a5dc8bd6f9d683c028002c088dd1897d368f91e1", kill_on_drop: false }`
[INFO] [stdout] b38d4d0b4450191c24161806a5dc8bd6f9d683c028002c088dd1897d368f91e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 429cab61d28892d1ec3d5c6125b95729afe481f4992d10862612521a49d207c0
[INFO] running `Command { std: "docker" "start" "-a" "429cab61d28892d1ec3d5c6125b95729afe481f4992d10862612521a49d207c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "429cab61d28892d1ec3d5c6125b95729afe481f4992d10862612521a49d207c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429cab61d28892d1ec3d5c6125b95729afe481f4992d10862612521a49d207c0", kill_on_drop: false }`
[INFO] [stdout] 429cab61d28892d1ec3d5c6125b95729afe481f4992d10862612521a49d207c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b559455719fd3d317c9265868906da41bfc1806d04c92e7e8a2142673dfa9a7f
[INFO] running `Command { std: "docker" "start" "-a" "b559455719fd3d317c9265868906da41bfc1806d04c92e7e8a2142673dfa9a7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ff-2bfc0e0fd4353adf)
[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" "b559455719fd3d317c9265868906da41bfc1806d04c92e7e8a2142673dfa9a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b559455719fd3d317c9265868906da41bfc1806d04c92e7e8a2142673dfa9a7f", kill_on_drop: false }`
[INFO] [stdout] b559455719fd3d317c9265868906da41bfc1806d04c92e7e8a2142673dfa9a7f