[INFO] cloning repository https://github.com/Noskcaj19/langtons_ant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Noskcaj19/langtons_ant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoskcaj19%2Flangtons_ant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoskcaj19%2Flangtons_ant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c00eea0e9258eccea20e83680136f8586b881337
[INFO] checking Noskcaj19/langtons_ant against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoskcaj19%2Flangtons_ant" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Noskcaj19/langtons_ant on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Noskcaj19/langtons_ant
[INFO] finished tweaking git repo https://github.com/Noskcaj19/langtons_ant
[INFO] tweaked toml for git repo https://github.com/Noskcaj19/langtons_ant written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Noskcaj19/langtons_ant already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7d17ba8969ce6e913b2f41381b5d3876d856b9819e068fd4f06e269cdef063
[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" "4c7d17ba8969ce6e913b2f41381b5d3876d856b9819e068fd4f06e269cdef063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7d17ba8969ce6e913b2f41381b5d3876d856b9819e068fd4f06e269cdef063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7d17ba8969ce6e913b2f41381b5d3876d856b9819e068fd4f06e269cdef063", kill_on_drop: false }`
[INFO] [stdout] 4c7d17ba8969ce6e913b2f41381b5d3876d856b9819e068fd4f06e269cdef063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29d6b0128384b13713bd77d85b80f3f9ca7a1e3e3854031fb6364f53cb099727
[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" "29d6b0128384b13713bd77d85b80f3f9ca7a1e3e3854031fb6364f53cb099727", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]     Checking pancurses v0.11.0
[INFO] [stderr]     Checking langton_ant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "29d6b0128384b13713bd77d85b80f3f9ca7a1e3e3854031fb6364f53cb099727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d6b0128384b13713bd77d85b80f3f9ca7a1e3e3854031fb6364f53cb099727", kill_on_drop: false }`
[INFO] [stdout] 29d6b0128384b13713bd77d85b80f3f9ca7a1e3e3854031fb6364f53cb099727