[INFO] cloning repository https://github.com/burtgulash/rotrie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/burtgulash/rotrie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f198ccdbd0ee7efb0f5ed6f30e38cdfb34591499
[INFO] checking burtgulash/rotrie against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burtgulash/rotrie 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/burtgulash/rotrie
[INFO] finished tweaking git repo https://github.com/burtgulash/rotrie
[INFO] tweaked toml for git repo https://github.com/burtgulash/rotrie written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/burtgulash/rotrie 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0fa8d6babb4c1d07f93ebc726d62d6d4b31fd7f76a712fc3ee54f52b5a3ca27e
[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" "0fa8d6babb4c1d07f93ebc726d62d6d4b31fd7f76a712fc3ee54f52b5a3ca27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fa8d6babb4c1d07f93ebc726d62d6d4b31fd7f76a712fc3ee54f52b5a3ca27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa8d6babb4c1d07f93ebc726d62d6d4b31fd7f76a712fc3ee54f52b5a3ca27e", kill_on_drop: false }`
[INFO] [stdout] 0fa8d6babb4c1d07f93ebc726d62d6d4b31fd7f76a712fc3ee54f52b5a3ca27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bbca86070aaad0b764e547d2a73225322a35dc5c1512b8ba785be9c6b668070e
[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" "bbca86070aaad0b764e547d2a73225322a35dc5c1512b8ba785be9c6b668070e", kill_on_drop: false }`
[INFO] [stderr]     Checking comtrie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `bs2x`
[INFO] [stdout]    --> src/main.rs:329:4
[INFO] [stdout]     |
[INFO] [stdout] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2u32`
[INFO] [stdout]    --> src/main.rs:334:4
[INFO] [stdout]     |
[INFO] [stdout] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2str`
[INFO] [stdout]    --> src/main.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2x`
[INFO] [stdout]    --> src/main.rs:329:4
[INFO] [stdout]     |
[INFO] [stdout] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2u32`
[INFO] [stdout]    --> src/main.rs:334:4
[INFO] [stdout]     |
[INFO] [stdout] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bs2str`
[INFO] [stdout]    --> src/main.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bbca86070aaad0b764e547d2a73225322a35dc5c1512b8ba785be9c6b668070e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbca86070aaad0b764e547d2a73225322a35dc5c1512b8ba785be9c6b668070e", kill_on_drop: false }`
[INFO] [stdout] bbca86070aaad0b764e547d2a73225322a35dc5c1512b8ba785be9c6b668070e