[INFO] cloning repository https://github.com/UsairimIsani/rust-algo-prac [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UsairimIsani/rust-algo-prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6c0cd29231896c9ba2e7ab59ca793c593c0cebc [INFO] checking UsairimIsani/rust-algo-prac against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsairimIsani%2Frust-algo-prac" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/UsairimIsani/rust-algo-prac on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/.cargo/config [INFO] started tweaking git repo https://github.com/UsairimIsani/rust-algo-prac [INFO] finished tweaking git repo https://github.com/UsairimIsani/rust-algo-prac [INFO] tweaked toml for git repo https://github.com/UsairimIsani/rust-algo-prac written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/UsairimIsani/rust-algo-prac already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47815873dadf5dca30eb28e6cacd919c8ec25354dffef1f8d25ce31c9762e8cd [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" "47815873dadf5dca30eb28e6cacd919c8ec25354dffef1f8d25ce31c9762e8cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47815873dadf5dca30eb28e6cacd919c8ec25354dffef1f8d25ce31c9762e8cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47815873dadf5dca30eb28e6cacd919c8ec25354dffef1f8d25ce31c9762e8cd", kill_on_drop: false }` [INFO] [stdout] 47815873dadf5dca30eb28e6cacd919c8ec25354dffef1f8d25ce31c9762e8cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d179d4cc7040345268b987f8a60becdf41cced8bdfe26a2641f12e9f91e0a96 [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" "8d179d4cc7040345268b987f8a60becdf41cced8bdfe26a2641f12e9f91e0a96", kill_on_drop: false }` [INFO] [stderr] Checking recursion v0.1.0 (/opt/rustwide/workdir/recursion) [INFO] [stderr] Checking trees v0.1.0 (/opt/rustwide/workdir/trees) [INFO] [stderr] Checking sorting v0.1.0 (/opt/rustwide/workdir/sorting) [INFO] [stderr] Checking s_q v0.1.0 (/opt/rustwide/workdir/s_q) [INFO] [stderr] Checking lists v0.1.0 (/opt/rustwide/workdir/lists) [INFO] [stdout] warning: function is never used: `hello` [INFO] [stdout] --> s_q/src/stack/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn hello(){ [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: `hello` [INFO] [stdout] --> s_q/src/stack/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn hello(){ [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: field is never read: `name` [INFO] [stdout] --> trees/src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | name:String [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> trees/src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | name:String [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "8d179d4cc7040345268b987f8a60becdf41cced8bdfe26a2641f12e9f91e0a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d179d4cc7040345268b987f8a60becdf41cced8bdfe26a2641f12e9f91e0a96", kill_on_drop: false }` [INFO] [stdout] 8d179d4cc7040345268b987f8a60becdf41cced8bdfe26a2641f12e9f91e0a96