[INFO] cloning repository https://github.com/eliotstock/rust-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eliotstock/rust-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliotstock%2Frust-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliotstock%2Frust-notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c052336422e21e5ab7845ccb4abb2e50b93f814
[INFO] checking eliotstock/rust-notes against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliotstock%2Frust-notes" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliotstock/rust-notes on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eliotstock/rust-notes
[INFO] finished tweaking git repo https://github.com/eliotstock/rust-notes
[INFO] tweaked toml for git repo https://github.com/eliotstock/rust-notes written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/eliotstock/rust-notes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 715646689d85b9bd5cd95db36ba77588609a4e94dd81214b780b143cee121160
[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" "715646689d85b9bd5cd95db36ba77588609a4e94dd81214b780b143cee121160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715646689d85b9bd5cd95db36ba77588609a4e94dd81214b780b143cee121160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715646689d85b9bd5cd95db36ba77588609a4e94dd81214b780b143cee121160", kill_on_drop: false }`
[INFO] [stdout] 715646689d85b9bd5cd95db36ba77588609a4e94dd81214b780b143cee121160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bbac7f200db0d2990bd14a28cce61ce9bf76140f4431a310d2c4d7aa4ba9d05
[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" "6bbac7f200db0d2990bd14a28cce61ce9bf76140f4431a310d2c4d7aa4ba9d05", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-notes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]    --> src/main.rs:535:12
[INFO] [stdout]     |
[INFO] [stdout] 535 |         fn a() {}
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]    --> src/main.rs:536:12
[INFO] [stdout]     |
[INFO] [stdout] 536 |         fn b() {}
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]    --> src/main.rs:535:12
[INFO] [stdout]     |
[INFO] [stdout] 535 |         fn a() {}
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]    --> src/main.rs:536:12
[INFO] [stdout]     |
[INFO] [stdout] 536 |         fn b() {}
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "6bbac7f200db0d2990bd14a28cce61ce9bf76140f4431a310d2c4d7aa4ba9d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbac7f200db0d2990bd14a28cce61ce9bf76140f4431a310d2c4d7aa4ba9d05", kill_on_drop: false }`
[INFO] [stdout] 6bbac7f200db0d2990bd14a28cce61ce9bf76140f4431a310d2c4d7aa4ba9d05