[INFO] cloning repository https://github.com/wasuken/ackermann-function-book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wasuken/ackermann-function-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasuken%2Fackermann-function-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasuken%2Fackermann-function-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a70b00d136af3a04b8f03c3c434affe2c379beb9 [INFO] checking wasuken/ackermann-function-book against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasuken%2Fackermann-function-book" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wasuken/ackermann-function-book on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wasuken/ackermann-function-book [INFO] finished tweaking git repo https://github.com/wasuken/ackermann-function-book [INFO] tweaked toml for git repo https://github.com/wasuken/ackermann-function-book written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/wasuken/ackermann-function-book already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1c2ce59872592571185ec3321a61e971c8e80cb28c24e42b4d43dc17b0721b2 [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" "b1c2ce59872592571185ec3321a61e971c8e80cb28c24e42b4d43dc17b0721b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1c2ce59872592571185ec3321a61e971c8e80cb28c24e42b4d43dc17b0721b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1c2ce59872592571185ec3321a61e971c8e80cb28c24e42b4d43dc17b0721b2", kill_on_drop: false }` [INFO] [stdout] b1c2ce59872592571185ec3321a61e971c8e80cb28c24e42b4d43dc17b0721b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05c6dc2ffd0c735c01c1b0f2e4a970a4b593db68755df8886cdcfb23d4b38645 [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" "05c6dc2ffd0c735c01c1b0f2e4a970a4b593db68755df8886cdcfb23d4b38645", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.5 [INFO] [stderr] Checking ackermann-function-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `Command { std: "docker" "inspect" "05c6dc2ffd0c735c01c1b0f2e4a970a4b593db68755df8886cdcfb23d4b38645", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05c6dc2ffd0c735c01c1b0f2e4a970a4b593db68755df8886cdcfb23d4b38645", kill_on_drop: false }` [INFO] [stdout] 05c6dc2ffd0c735c01c1b0f2e4a970a4b593db68755df8886cdcfb23d4b38645