[INFO] cloning repository https://github.com/chrisfair/mazes_and_monsters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisfair/mazes_and_monsters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisfair%2Fmazes_and_monsters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisfair%2Fmazes_and_monsters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4edc0dd718383c3e0432fbfb19fb8903c76f8045
[INFO] checking chrisfair/mazes_and_monsters against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisfair%2Fmazes_and_monsters" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisfair/mazes_and_monsters on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisfair/mazes_and_monsters
[INFO] finished tweaking git repo https://github.com/chrisfair/mazes_and_monsters
[INFO] tweaked toml for git repo https://github.com/chrisfair/mazes_and_monsters written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisfair/mazes_and_monsters already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rouler v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e02eca7eecf130cc1673c71b1aac09ea0a1c283486883e43cec8b00d96d7472
[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" "0e02eca7eecf130cc1673c71b1aac09ea0a1c283486883e43cec8b00d96d7472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e02eca7eecf130cc1673c71b1aac09ea0a1c283486883e43cec8b00d96d7472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e02eca7eecf130cc1673c71b1aac09ea0a1c283486883e43cec8b00d96d7472", kill_on_drop: false }`
[INFO] [stdout] 0e02eca7eecf130cc1673c71b1aac09ea0a1c283486883e43cec8b00d96d7472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fef845b04fde81c7704c756921f573d52b991f81587f2d71b5cf99eb96fe036
[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" "0fef845b04fde81c7704c756921f573d52b991f81587f2d71b5cf99eb96fe036", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking rouler v0.1.3
[INFO] [stderr]     Checking mazes_and_monsters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "0fef845b04fde81c7704c756921f573d52b991f81587f2d71b5cf99eb96fe036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fef845b04fde81c7704c756921f573d52b991f81587f2d71b5cf99eb96fe036", kill_on_drop: false }`
[INFO] [stdout] 0fef845b04fde81c7704c756921f573d52b991f81587f2d71b5cf99eb96fe036