[INFO] cloning repository https://github.com/cr26696/rust_leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cr26696/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcr26696%2Frust_leetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcr26696%2Frust_leetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a31585e53fb2a8de76d35961cb158500d5f6f2f1 [INFO] testing cr26696/rust_leetcode against 1.100.0-beta.1 for beta-1.100-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcr26696%2Frust_leetcode" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cr26696/rust_leetcode [INFO] finished tweaking git repo https://github.com/cr26696/rust_leetcode [INFO] tweaked toml for git repo https://github.com/cr26696/rust_leetcode written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cr26696/rust_leetcode on toolchain 1.100.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cr26696/rust_leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a [INFO] running `Command { std: "docker" "start" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode_solve v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prev_idx` [INFO] [stdout] --> src/solutions/remove_nth_from_end.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let prev_idx = 0.max(del_idx - 1); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_nth_from_end2` is never used [INFO] [stdout] --> src/solutions/remove_nth_from_end.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn remove_nth_from_end2(mut head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `prev_idx` [INFO] [stdout] --> src/solutions/remove_nth_from_end.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let prev_idx = 0.max(del_idx - 1); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_nth_from_end2` is never used [INFO] [stdout] --> src/solutions/remove_nth_from_end.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn remove_nth_from_end2(mut head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode_solve v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prev_idx` [INFO] [stdout] --> src/solutions/remove_nth_from_end.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let prev_idx = 0.max(del_idx - 1); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_nth_from_end2` is never used [INFO] [stdout] --> src/solutions/remove_nth_from_end.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn remove_nth_from_end2(mut head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `prev_idx` [INFO] [stderr] --> src/solutions/remove_nth_from_end.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let prev_idx = 0.max(del_idx - 1); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `remove_nth_from_end2` is never used [INFO] [stderr] --> src/solutions/remove_nth_from_end.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn remove_nth_from_end2(mut head: Option>, n: i32) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `leetcode_solve` (lib) generated 2 warnings (run `cargo fix --lib -p leetcode_solve` to apply 1 suggestion) [INFO] [stderr] warning: `leetcode_solve` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/build/leetcode_solve/5e3d4b129d5d85ee/out/leetcode_solve-5e3d4b129d5d85ee) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test solutions::remove_nth_from_end::test::test2 ... ok [INFO] [stdout] test solutions::remove_nth_from_end::test::test1 ... ok [INFO] [stdout] test solutions::rotate::test::test1 ... ok [INFO] [stdout] test solutions::rotate::test::test2 ... ok [INFO] [stdout] test solutions::reverse_list::test::test1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests leetcode_solve [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a", kill_on_drop: false }` [INFO] [stdout] 6fcfa71a3a2d57695560f859de3b1278ac30afecde823d82f60f93eab937c50a