[INFO] cloning repository https://github.com/evgeni-nabokov/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evgeni-nabokov/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevgeni-nabokov%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevgeni-nabokov%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8bfdf22400a3b6d618a581a728a9a2872c3319f2 [INFO] checking evgeni-nabokov/leetcode-rust against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevgeni-nabokov%2Fleetcode-rust" "/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/evgeni-nabokov/leetcode-rust on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/evgeni-nabokov/leetcode-rust [INFO] finished tweaking git repo https://github.com/evgeni-nabokov/leetcode-rust [INFO] tweaked toml for git repo https://github.com/evgeni-nabokov/leetcode-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/evgeni-nabokov/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e06c1c8eedc642e348965da1cee66e80b86156af0cb87da17577d7fb8c24f87 [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" "2e06c1c8eedc642e348965da1cee66e80b86156af0cb87da17577d7fb8c24f87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e06c1c8eedc642e348965da1cee66e80b86156af0cb87da17577d7fb8c24f87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e06c1c8eedc642e348965da1cee66e80b86156af0cb87da17577d7fb8c24f87", kill_on_drop: false }` [INFO] [stdout] 2e06c1c8eedc642e348965da1cee66e80b86156af0cb87da17577d7fb8c24f87 [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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 106ef3feebfbf9ab5b5c3831f24df7a0f4080ba772032aa742ca80239582a516 [INFO] running `Command { std: "docker" "start" "-a" "106ef3feebfbf9ab5b5c3831f24df7a0f4080ba772032aa742ca80239582a516", kill_on_drop: false }` [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/challenge_2020_08/mod.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 43 | / loop { [INFO] [stdout] 44 | | while left < right && !chars[left].is_alphanumeric() { [INFO] [stdout] 45 | | left += 1; [INFO] [stdout] 46 | | } [INFO] [stdout] ... | [INFO] [stdout] 57 | | right -= 1; [INFO] [stdout] 58 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 59 | true [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:139:38 [INFO] [stdout] | [INFO] [stdout] 139 | yv.into_iter().map(|(y, v)| v).collect() [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:132:20 [INFO] [stdout] | [INFO] [stdout] 132 | .map(|(x, mut yv)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:168:60 [INFO] [stdout] | [INFO] [stdout] 168 | res.push(list[slice_start..i].iter().map(|(x, y, v)| *v).collect()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:168:63 [INFO] [stdout] | [INFO] [stdout] 168 | res.push(list[slice_start..i].iter().map(|(x, y, v)| *v).collect()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/challenge_2020_08/mod.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 43 | / loop { [INFO] [stdout] 44 | | while left < right && !chars[left].is_alphanumeric() { [INFO] [stdout] 45 | | left += 1; [INFO] [stdout] 46 | | } [INFO] [stdout] ... | [INFO] [stdout] 57 | | right -= 1; [INFO] [stdout] 58 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 59 | true [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:139:38 [INFO] [stdout] | [INFO] [stdout] 139 | yv.into_iter().map(|(y, v)| v).collect() [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:132:20 [INFO] [stdout] | [INFO] [stdout] 132 | .map(|(x, mut yv)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:168:60 [INFO] [stdout] | [INFO] [stdout] 168 | res.push(list[slice_start..i].iter().map(|(x, y, v)| *v).collect()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/challenge_2020_08/mod.rs:168:63 [INFO] [stdout] | [INFO] [stdout] 168 | res.push(list[slice_start..i].iter().map(|(x, y, v)| *v).collect()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.48s [INFO] running `Command { std: "docker" "inspect" "106ef3feebfbf9ab5b5c3831f24df7a0f4080ba772032aa742ca80239582a516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "106ef3feebfbf9ab5b5c3831f24df7a0f4080ba772032aa742ca80239582a516", kill_on_drop: false }` [INFO] [stdout] 106ef3feebfbf9ab5b5c3831f24df7a0f4080ba772032aa742ca80239582a516