[INFO] cloning repository https://github.com/stevebob/hello-cpal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevebob/hello-cpal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fhello-cpal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fhello-cpal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7025a8778223566609c5e49021ec68c2d8b8a7e
[INFO] checking stevebob/hello-cpal against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fhello-cpal" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevebob/hello-cpal on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevebob/hello-cpal
[INFO] finished tweaking git repo https://github.com/stevebob/hello-cpal
[INFO] tweaked toml for git repo https://github.com/stevebob/hello-cpal written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/stevebob/hello-cpal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 86e8396f35c6227e978b82a9c8b9efa4c7c965c90883cc7c25481cc75c8d2bff
[INFO] running `Command { std: "docker" "start" "-a" "86e8396f35c6227e978b82a9c8b9efa4c7c965c90883cc7c25481cc75c8d2bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e8396f35c6227e978b82a9c8b9efa4c7c965c90883cc7c25481cc75c8d2bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e8396f35c6227e978b82a9c8b9efa4c7c965c90883cc7c25481cc75c8d2bff", kill_on_drop: false }`
[INFO] [stdout] 86e8396f35c6227e978b82a9c8b9efa4c7c965c90883cc7c25481cc75c8d2bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f9fa216f3b15d3a07340a2008797c743d31f033dacd9b41ee5a4d30bf47def
[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" "73f9fa216f3b15d3a07340a2008797c743d31f033dacd9b41ee5a4d30bf47def", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking simon v0.1.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking hello-cpal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "73f9fa216f3b15d3a07340a2008797c743d31f033dacd9b41ee5a4d30bf47def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f9fa216f3b15d3a07340a2008797c743d31f033dacd9b41ee5a4d30bf47def", kill_on_drop: false }`
[INFO] [stdout] 73f9fa216f3b15d3a07340a2008797c743d31f033dacd9b41ee5a4d30bf47def