[INFO] cloning repository https://github.com/timvisee/brainfuck-rs-simple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timvisee/brainfuck-rs-simple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvisee%2Fbrainfuck-rs-simple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvisee%2Fbrainfuck-rs-simple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e682285c4100434445faa927b88b56e12e003b6d
[INFO] checking timvisee/brainfuck-rs-simple against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvisee%2Fbrainfuck-rs-simple" "/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/timvisee/brainfuck-rs-simple on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timvisee/brainfuck-rs-simple
[INFO] finished tweaking git repo https://github.com/timvisee/brainfuck-rs-simple
[INFO] tweaked toml for git repo https://github.com/timvisee/brainfuck-rs-simple written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/timvisee/brainfuck-rs-simple already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbef4366d042df08013d9aff178f020da218be2e24512030dca71d67938f4eb7
[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" "bbef4366d042df08013d9aff178f020da218be2e24512030dca71d67938f4eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbef4366d042df08013d9aff178f020da218be2e24512030dca71d67938f4eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbef4366d042df08013d9aff178f020da218be2e24512030dca71d67938f4eb7", kill_on_drop: false }`
[INFO] [stdout] bbef4366d042df08013d9aff178f020da218be2e24512030dca71d67938f4eb7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 637a5f7f4797aad6459b3c62faf8fc566b9a5dbf0db3fd0db124b847e9c02efa
[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" "637a5f7f4797aad6459b3c62faf8fc566b9a5dbf0db3fd0db124b847e9c02efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking tty-read v0.1.0 (https://github.com/timvisee/tty-read-rs#586ee282)
[INFO] [stderr]     Checking brainfuck-rs-simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "637a5f7f4797aad6459b3c62faf8fc566b9a5dbf0db3fd0db124b847e9c02efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637a5f7f4797aad6459b3c62faf8fc566b9a5dbf0db3fd0db124b847e9c02efa", kill_on_drop: false }`
[INFO] [stdout] 637a5f7f4797aad6459b3c62faf8fc566b9a5dbf0db3fd0db124b847e9c02efa