[INFO] cloning repository https://github.com/Oppodelldog/rusty-the-clown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Oppodelldog/rusty-the-clown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOppodelldog%2Frusty-the-clown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOppodelldog%2Frusty-the-clown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd3dd2e6af252b8282ff4790ce886eb37c1896ea
[INFO] checking Oppodelldog/rusty-the-clown against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOppodelldog%2Frusty-the-clown" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Oppodelldog/rusty-the-clown on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Oppodelldog/rusty-the-clown
[INFO] finished tweaking git repo https://github.com/Oppodelldog/rusty-the-clown
[INFO] tweaked toml for git repo https://github.com/Oppodelldog/rusty-the-clown written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Oppodelldog/rusty-the-clown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52e05921634ae094a893066fd21f3a61379510906649f6f7e636fe002565da3
[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" "b52e05921634ae094a893066fd21f3a61379510906649f6f7e636fe002565da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52e05921634ae094a893066fd21f3a61379510906649f6f7e636fe002565da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52e05921634ae094a893066fd21f3a61379510906649f6f7e636fe002565da3", kill_on_drop: false }`
[INFO] [stdout] b52e05921634ae094a893066fd21f3a61379510906649f6f7e636fe002565da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 216de168e53f6a558197860868b0a3d35ec24a3a020d31dc9f2c8a577aa896ae
[INFO] running `Command { std: "docker" "start" "-a" "216de168e53f6a558197860868b0a3d35ec24a3a020d31dc9f2c8a577aa896ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `Command { std: "docker" "inspect" "216de168e53f6a558197860868b0a3d35ec24a3a020d31dc9f2c8a577aa896ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216de168e53f6a558197860868b0a3d35ec24a3a020d31dc9f2c8a577aa896ae", kill_on_drop: false }`
[INFO] [stdout] 216de168e53f6a558197860868b0a3d35ec24a3a020d31dc9f2c8a577aa896ae