[INFO] cloning repository https://github.com/matthis-d/rust-fizzbuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthis-d/rust-fizzbuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthis-d%2Frust-fizzbuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthis-d%2Frust-fizzbuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86c8407e0b35474b645a9d7db26c0705860aca78
[INFO] checking matthis-d/rust-fizzbuzz against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthis-d%2Frust-fizzbuzz" "/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/matthis-d/rust-fizzbuzz on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthis-d/rust-fizzbuzz
[INFO] finished tweaking git repo https://github.com/matthis-d/rust-fizzbuzz
[INFO] tweaked toml for git repo https://github.com/matthis-d/rust-fizzbuzz written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/matthis-d/rust-fizzbuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b530a4a9ad67ac9a2c840b8374616f7c80bac5c01036660113dbc3bcc19e7c
[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" "90b530a4a9ad67ac9a2c840b8374616f7c80bac5c01036660113dbc3bcc19e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b530a4a9ad67ac9a2c840b8374616f7c80bac5c01036660113dbc3bcc19e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b530a4a9ad67ac9a2c840b8374616f7c80bac5c01036660113dbc3bcc19e7c", kill_on_drop: false }`
[INFO] [stdout] 90b530a4a9ad67ac9a2c840b8374616f7c80bac5c01036660113dbc3bcc19e7c
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 891d54b90cf237e65a3d2f03eb39ad01340fb3a7d0fac1ea2d643920e5e7abc0
[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" "891d54b90cf237e65a3d2f03eb39ad01340fb3a7d0fac1ea2d643920e5e7abc0", kill_on_drop: false }`
[INFO] [stderr]     Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "891d54b90cf237e65a3d2f03eb39ad01340fb3a7d0fac1ea2d643920e5e7abc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891d54b90cf237e65a3d2f03eb39ad01340fb3a7d0fac1ea2d643920e5e7abc0", kill_on_drop: false }`
[INFO] [stdout] 891d54b90cf237e65a3d2f03eb39ad01340fb3a7d0fac1ea2d643920e5e7abc0