[INFO] cloning repository https://github.com/KlausVii/rusty-bucket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KlausVii/rusty-bucket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlausVii%2Frusty-bucket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlausVii%2Frusty-bucket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ecbe9964fbcf5f520ee1dbaf70f08728ad2b96f
[INFO] checking KlausVii/rusty-bucket against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlausVii%2Frusty-bucket" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KlausVii/rusty-bucket 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/KlausVii/rusty-bucket
[INFO] finished tweaking git repo https://github.com/KlausVii/rusty-bucket
[INFO] tweaked toml for git repo https://github.com/KlausVii/rusty-bucket written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/KlausVii/rusty-bucket 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bf88b49107bced1ccf79f3ecfc13fcd87dba181329ccc8adbc00b7759ad1b956
[INFO] running `Command { std: "docker" "start" "-a" "bf88b49107bced1ccf79f3ecfc13fcd87dba181329ccc8adbc00b7759ad1b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf88b49107bced1ccf79f3ecfc13fcd87dba181329ccc8adbc00b7759ad1b956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf88b49107bced1ccf79f3ecfc13fcd87dba181329ccc8adbc00b7759ad1b956", kill_on_drop: false }`
[INFO] [stdout] bf88b49107bced1ccf79f3ecfc13fcd87dba181329ccc8adbc00b7759ad1b956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4a10b03acb1b7b3913b8ff43ba6fc9751c40d5c55492cd23809a4f1342d376cb
[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" "4a10b03acb1b7b3913b8ff43ba6fc9751c40d5c55492cd23809a4f1342d376cb", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking euler v0.1.0 (/opt/rustwide/workdir/euler)
[INFO] [stderr]     Checking rusty-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "4a10b03acb1b7b3913b8ff43ba6fc9751c40d5c55492cd23809a4f1342d376cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a10b03acb1b7b3913b8ff43ba6fc9751c40d5c55492cd23809a4f1342d376cb", kill_on_drop: false }`
[INFO] [stdout] 4a10b03acb1b7b3913b8ff43ba6fc9751c40d5c55492cd23809a4f1342d376cb