[INFO] cloning repository https://github.com/myself659/module-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myself659/module-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyself659%2Fmodule-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyself659%2Fmodule-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0d4b9cd6e4c5e6b91f7c6e3ffcf8d7b189e1359
[INFO] checking myself659/module-demo against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyself659%2Fmodule-demo" "/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/myself659/module-demo 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/myself659/module-demo
[INFO] finished tweaking git repo https://github.com/myself659/module-demo
[INFO] tweaked toml for git repo https://github.com/myself659/module-demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/myself659/module-demo 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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fa37ae87d569e9e5cdfe63f697147c870629f68fb7d2c34d2ff4f31a87893a7
[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" "6fa37ae87d569e9e5cdfe63f697147c870629f68fb7d2c34d2ff4f31a87893a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fa37ae87d569e9e5cdfe63f697147c870629f68fb7d2c34d2ff4f31a87893a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa37ae87d569e9e5cdfe63f697147c870629f68fb7d2c34d2ff4f31a87893a7", kill_on_drop: false }`
[INFO] [stdout] 6fa37ae87d569e9e5cdfe63f697147c870629f68fb7d2c34d2ff4f31a87893a7
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dfa96497b90bcf5102a1a2a5ddbefb8f6c60c70be6ac98f618d247e12c93cf9
[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" "4dfa96497b90bcf5102a1a2a5ddbefb8f6c60c70be6ac98f618d247e12c93cf9", kill_on_drop: false }`
[INFO] [stderr]     Checking module-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `do_it`
[INFO] [stdout]   --> src/tower_building/tower.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn  do_it() {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_it`
[INFO] [stdout]   --> src/tower_building/tower.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn  do_it() {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "4dfa96497b90bcf5102a1a2a5ddbefb8f6c60c70be6ac98f618d247e12c93cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfa96497b90bcf5102a1a2a5ddbefb8f6c60c70be6ac98f618d247e12c93cf9", kill_on_drop: false }`
[INFO] [stdout] 4dfa96497b90bcf5102a1a2a5ddbefb8f6c60c70be6ac98f618d247e12c93cf9