[INFO] cloning repository https://github.com/lufemas/rust-first-program
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lufemas/rust-first-program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flufemas%2Frust-first-program", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flufemas%2Frust-first-program'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0344e3a0fa148f67ca25d7179fbb50e83b0a32f6
[INFO] checking lufemas/rust-first-program against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flufemas%2Frust-first-program" "/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/lufemas/rust-first-program on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lufemas/rust-first-program
[INFO] finished tweaking git repo https://github.com/lufemas/rust-first-program
[INFO] tweaked toml for git repo https://github.com/lufemas/rust-first-program written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lufemas/rust-first-program already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 5ff4988bb2dce392877e2acb3a1e8f27c11fc9cc2db473c90137505a618ef8da
[INFO] running `Command { std: "docker" "start" "-a" "5ff4988bb2dce392877e2acb3a1e8f27c11fc9cc2db473c90137505a618ef8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ff4988bb2dce392877e2acb3a1e8f27c11fc9cc2db473c90137505a618ef8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff4988bb2dce392877e2acb3a1e8f27c11fc9cc2db473c90137505a618ef8da", kill_on_drop: false }`
[INFO] [stdout] 5ff4988bb2dce392877e2acb3a1e8f27c11fc9cc2db473c90137505a618ef8da
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be31a4e134a8f426d3aa93e3c8c7c5b72b80f3c3df88fe9e55e3f6874239abf4
[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" "be31a4e134a8f426d3aa93e3c8c7c5b72b80f3c3df88fe9e55e3f6874239abf4", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-sailor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "be31a4e134a8f426d3aa93e3c8c7c5b72b80f3c3df88fe9e55e3f6874239abf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be31a4e134a8f426d3aa93e3c8c7c5b72b80f3c3df88fe9e55e3f6874239abf4", kill_on_drop: false }`
[INFO] [stdout] be31a4e134a8f426d3aa93e3c8c7c5b72b80f3c3df88fe9e55e3f6874239abf4