[INFO] cloning repository https://github.com/Darksecond/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Darksecond/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksecond%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksecond%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 377f31dbc802df45b30d90c7730c35d7f5b014af
[INFO] checking Darksecond/lox against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarksecond%2Flox" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Darksecond/lox on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Darksecond/lox
[INFO] finished tweaking git repo https://github.com/Darksecond/lox
[INFO] tweaked toml for git repo https://github.com/Darksecond/lox written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Darksecond/lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffb004ce0b18ddf756b9f27f2e2cbb330597de556ba36c0295138a9a46d619fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffb004ce0b18ddf756b9f27f2e2cbb330597de556ba36c0295138a9a46d619fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb004ce0b18ddf756b9f27f2e2cbb330597de556ba36c0295138a9a46d619fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb004ce0b18ddf756b9f27f2e2cbb330597de556ba36c0295138a9a46d619fc", kill_on_drop: false }`
[INFO] [stdout] ffb004ce0b18ddf756b9f27f2e2cbb330597de556ba36c0295138a9a46d619fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4a569e3de894d6380887da4d540b605b2f55bd3e893528631544879717e377
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d4a569e3de894d6380887da4d540b605b2f55bd3e893528631544879717e377", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lox-syntax v0.1.0 (/opt/rustwide/workdir/lox-syntax)
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking lox-bytecode v0.1.0 (/opt/rustwide/workdir/lox-bytecode)
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking lox-compiler v0.1.0 (/opt/rustwide/workdir/lox-compiler)
[INFO] [stderr]     Checking lox-vm v0.1.0 (/opt/rustwide/workdir/lox-vm)
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir/lox)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.29s
[INFO] running `Command { std: "docker" "inspect" "6d4a569e3de894d6380887da4d540b605b2f55bd3e893528631544879717e377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4a569e3de894d6380887da4d540b605b2f55bd3e893528631544879717e377", kill_on_drop: false }`
[INFO] [stdout] 6d4a569e3de894d6380887da4d540b605b2f55bd3e893528631544879717e377