[INFO] cloning repository https://github.com/jumpyoshim/ferris-watch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jumpyoshim/ferris-watch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyoshim%2Fferris-watch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyoshim%2Fferris-watch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10aded0d201a6a2e7c0b30a3b223c24494b8bc37
[INFO] checking jumpyoshim/ferris-watch against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyoshim%2Fferris-watch" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jumpyoshim/ferris-watch on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jumpyoshim/ferris-watch
[INFO] finished tweaking git repo https://github.com/jumpyoshim/ferris-watch
[INFO] tweaked toml for git repo https://github.com/jumpyoshim/ferris-watch written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jumpyoshim/ferris-watch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.97.0
[INFO] [stderr]   Downloaded pancurses v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e5c0ebc12bc985299e17d69f5d60ec2ddfdc6f55c9a703d21c1fbf15dd796a2
[INFO] running `Command { std: "docker" "start" "-a" "4e5c0ebc12bc985299e17d69f5d60ec2ddfdc6f55c9a703d21c1fbf15dd796a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5c0ebc12bc985299e17d69f5d60ec2ddfdc6f55c9a703d21c1fbf15dd796a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5c0ebc12bc985299e17d69f5d60ec2ddfdc6f55c9a703d21c1fbf15dd796a2", kill_on_drop: false }`
[INFO] [stdout] 4e5c0ebc12bc985299e17d69f5d60ec2ddfdc6f55c9a703d21c1fbf15dd796a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8abe2e8f4854b6f0b2ce47c15f0e88bcf7fcadc71b3c3c7be478f4c008d850d2
[INFO] running `Command { std: "docker" "start" "-a" "8abe2e8f4854b6f0b2ce47c15f0e88bcf7fcadc71b3c3c7be478f4c008d850d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]     Checking pancurses v0.16.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking ferris_watch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.93s
[INFO] running `Command { std: "docker" "inspect" "8abe2e8f4854b6f0b2ce47c15f0e88bcf7fcadc71b3c3c7be478f4c008d850d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abe2e8f4854b6f0b2ce47c15f0e88bcf7fcadc71b3c3c7be478f4c008d850d2", kill_on_drop: false }`
[INFO] [stdout] 8abe2e8f4854b6f0b2ce47c15f0e88bcf7fcadc71b3c3c7be478f4c008d850d2