[INFO] cloning repository https://github.com/tak9-n/ruschem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tak9-n/ruschem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftak9-n%2Fruschem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftak9-n%2Fruschem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5a3903f08a15f11ed32dd36cc0a063f645c60f2
[INFO] checking tak9-n/ruschem against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftak9-n%2Fruschem" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tak9-n/ruschem on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tak9-n/ruschem
[INFO] finished tweaking git repo https://github.com/tak9-n/ruschem
[INFO] tweaked toml for git repo https://github.com/tak9-n/ruschem written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/tak9-n/ruschem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] a8a8afb53a74a76201905beb98a199c79c18d147e91caf1cf0bb2c0b9e897357
[INFO] running `Command { std: "docker" "start" "-a" "a8a8afb53a74a76201905beb98a199c79c18d147e91caf1cf0bb2c0b9e897357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a8afb53a74a76201905beb98a199c79c18d147e91caf1cf0bb2c0b9e897357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a8afb53a74a76201905beb98a199c79c18d147e91caf1cf0bb2c0b9e897357", kill_on_drop: false }`
[INFO] [stdout] a8a8afb53a74a76201905beb98a199c79c18d147e91caf1cf0bb2c0b9e897357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 4b4d1c457dcfc24c127601e90a8eb77144304ad861cdf8dafc90b0fbe21c1a4e
[INFO] running `Command { std: "docker" "start" "-a" "4b4d1c457dcfc24c127601e90a8eb77144304ad861cdf8dafc90b0fbe21c1a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling ruschem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read build.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruschem`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4b4d1c457dcfc24c127601e90a8eb77144304ad861cdf8dafc90b0fbe21c1a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4d1c457dcfc24c127601e90a8eb77144304ad861cdf8dafc90b0fbe21c1a4e", kill_on_drop: false }`
[INFO] [stdout] 4b4d1c457dcfc24c127601e90a8eb77144304ad861cdf8dafc90b0fbe21c1a4e