[INFO] updating cached repository https://github.com/ja153903/rust-leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4d080e9329ff3a5c0c3ac104faa0fe0ffd3fdde [INFO] testing ja153903/rust-leetcode against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fja153903%2Frust-leetcode" "/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/ja153903/rust-leetcode on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ja153903/rust-leetcode [INFO] finished tweaking git repo https://github.com/ja153903/rust-leetcode [INFO] tweaked toml for git repo https://github.com/ja153903/rust-leetcode written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/ja153903/rust-leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d75f55e9fa0651697d8331629f78bf484c588a820f00159d5bc115cf0dd3f605 [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" "d75f55e9fa0651697d8331629f78bf484c588a820f00159d5bc115cf0dd3f605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d75f55e9fa0651697d8331629f78bf484c588a820f00159d5bc115cf0dd3f605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d75f55e9fa0651697d8331629f78bf484c588a820f00159d5bc115cf0dd3f605", kill_on_drop: false }` [INFO] [stdout] d75f55e9fa0651697d8331629f78bf484c588a820f00159d5bc115cf0dd3f605 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12f18bcc460e1d92dc1ae71c430151c6d26c936601f1cb2791b6ef1280e9fa25 [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" "12f18bcc460e1d92dc1ae71c430151c6d26c936601f1cb2791b6ef1280e9fa25", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `LRUCache` [INFO] [stdout] --> src/lru_cache.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct LRUCache { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lru_cache.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(capacity: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/lru_cache.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn get(&mut self, key: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `put` [INFO] [stdout] --> src/lru_cache.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn put(&mut self, key: i32, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_key` [INFO] [stdout] --> src/lru_cache.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn contains_key(&self, key: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `at_capacity` [INFO] [stdout] --> src/lru_cache.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn at_capacity(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_lru` [INFO] [stdout] --> src/lru_cache.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn remove_lru(&mut self, lru: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update_recent_elems` [INFO] [stdout] --> src/lru_cache.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn update_recent_elems(&mut self, mru: &i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/two_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.49s [INFO] running `Command { std: "docker" "inspect" "12f18bcc460e1d92dc1ae71c430151c6d26c936601f1cb2791b6ef1280e9fa25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f18bcc460e1d92dc1ae71c430151c6d26c936601f1cb2791b6ef1280e9fa25", kill_on_drop: false }` [INFO] [stdout] 12f18bcc460e1d92dc1ae71c430151c6d26c936601f1cb2791b6ef1280e9fa25 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 537732502f17f4de8fd0c65d5cc82aa7a2ac78336714faad5ff7cc611898fbde [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" "537732502f17f4de8fd0c65d5cc82aa7a2ac78336714faad5ff7cc611898fbde", kill_on_drop: false }` [INFO] [stderr] Compiling rust-leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "537732502f17f4de8fd0c65d5cc82aa7a2ac78336714faad5ff7cc611898fbde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "537732502f17f4de8fd0c65d5cc82aa7a2ac78336714faad5ff7cc611898fbde", kill_on_drop: false }` [INFO] [stdout] 537732502f17f4de8fd0c65d5cc82aa7a2ac78336714faad5ff7cc611898fbde [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ae7399eb5d704d5509d555b91f297a4c3db8870baf734e13fda938b8e6fcf9af [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" "ae7399eb5d704d5509d555b91f297a4c3db8870baf734e13fda938b8e6fcf9af", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_leetcode-37ba3e1543821608 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lru_cache::test_basic_case ... ok [INFO] [stdout] test two_sum::test_basic_case ... ok [INFO] [stdout] test two_sum::test_another_basic_case ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ae7399eb5d704d5509d555b91f297a4c3db8870baf734e13fda938b8e6fcf9af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae7399eb5d704d5509d555b91f297a4c3db8870baf734e13fda938b8e6fcf9af", kill_on_drop: false }` [INFO] [stdout] ae7399eb5d704d5509d555b91f297a4c3db8870baf734e13fda938b8e6fcf9af