[INFO] cloning repository https://github.com/jazminsofiaf/signals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jazminsofiaf/signals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazminsofiaf%2Fsignals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazminsofiaf%2Fsignals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df45093ce57766300433bc9cfab302c15409556a
[INFO] checking jazminsofiaf/signals against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazminsofiaf%2Fsignals" "/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/jazminsofiaf/signals on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jazminsofiaf/signals
[INFO] finished tweaking git repo https://github.com/jazminsofiaf/signals
[INFO] tweaked toml for git repo https://github.com/jazminsofiaf/signals written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jazminsofiaf/signals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 8a38aea95510905869eed8cf357d56c63ae85143a1f26b46267aab25e85ef845
[INFO] running `Command { std: "docker" "start" "-a" "8a38aea95510905869eed8cf357d56c63ae85143a1f26b46267aab25e85ef845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a38aea95510905869eed8cf357d56c63ae85143a1f26b46267aab25e85ef845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a38aea95510905869eed8cf357d56c63ae85143a1f26b46267aab25e85ef845", kill_on_drop: false }`
[INFO] [stdout] 8a38aea95510905869eed8cf357d56c63ae85143a1f26b46267aab25e85ef845
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96ed8a2821064ac36b499fbe8893ae9ce51c0dfe10e71169f00a38a38ea1190b
[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" "96ed8a2821064ac36b499fbe8893ae9ce51c0dfe10e71169f00a38a38ea1190b", 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] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking signals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/example2/main.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 `signals`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read src/example2/main.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: build failed
[INFO] running `Command { std: "docker" "inspect" "96ed8a2821064ac36b499fbe8893ae9ce51c0dfe10e71169f00a38a38ea1190b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ed8a2821064ac36b499fbe8893ae9ce51c0dfe10e71169f00a38a38ea1190b", kill_on_drop: false }`
[INFO] [stdout] 96ed8a2821064ac36b499fbe8893ae9ce51c0dfe10e71169f00a38a38ea1190b