[INFO] cloning repository https://github.com/euclidr/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euclidr/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fd9e1e88018576c11c72e8c294aab6808f0d78f1 [INFO] testing euclidr/leetcode against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/euclidr/leetcode on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/euclidr/leetcode [INFO] finished tweaking git repo https://github.com/euclidr/leetcode [INFO] tweaked toml for git repo https://github.com/euclidr/leetcode written to /workspace/builds/worker-61/source/Cargo.toml [INFO] crate git repo https://github.com/euclidr/leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a3264327cf6fdff332c1147e56464d64643e8212ee8dc0edc3e38b9700e9c5f [INFO] running `Command { std: "docker" "start" "-a" "1a3264327cf6fdff332c1147e56464d64643e8212ee8dc0edc3e38b9700e9c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a3264327cf6fdff332c1147e56464d64643e8212ee8dc0edc3e38b9700e9c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a3264327cf6fdff332c1147e56464d64643e8212ee8dc0edc3e38b9700e9c5f", kill_on_drop: false }` [INFO] [stdout] 1a3264327cf6fdff332c1147e56464d64643e8212ee8dc0edc3e38b9700e9c5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4588a95c36ef2e30d8e5b06ef856f387460ea65b71dcb803c7b261e7799dd34 [INFO] running `Command { std: "docker" "start" "-a" "e4588a95c36ef2e30d8e5b06ef856f387460ea65b71dcb803c7b261e7799dd34", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.36s [INFO] running `Command { std: "docker" "inspect" "e4588a95c36ef2e30d8e5b06ef856f387460ea65b71dcb803c7b261e7799dd34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4588a95c36ef2e30d8e5b06ef856f387460ea65b71dcb803c7b261e7799dd34", kill_on_drop: false }` [INFO] [stdout] e4588a95c36ef2e30d8e5b06ef856f387460ea65b71dcb803c7b261e7799dd34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c2358e474c0a14d824dd4cb70245750367933c36b3385a3bb2e3b0f9c861a18 [INFO] running `Command { std: "docker" "start" "-a" "0c2358e474c0a14d824dd4cb70245750367933c36b3385a3bb2e3b0f9c861a18", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> examples/p1094.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> examples/p437.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Solution; [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: `path_sum` [INFO] [stdout] --> examples/p437.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn path_sum(root: Option>>, sum: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> examples/p710.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 53 | / match self.blacklist.binary_search(&rs) { [INFO] [stdout] 54 | | Ok(_) => continue, [INFO] [stdout] 55 | | Err(_) => return rs, [INFO] [stdout] 56 | | } [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] ... [INFO] [stdout] 59 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `unreachable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> examples/p710.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(N: i32, mut blacklist: Vec) -> Self { [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.99s [INFO] running `Command { std: "docker" "inspect" "0c2358e474c0a14d824dd4cb70245750367933c36b3385a3bb2e3b0f9c861a18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c2358e474c0a14d824dd4cb70245750367933c36b3385a3bb2e3b0f9c861a18", kill_on_drop: false }` [INFO] [stdout] 0c2358e474c0a14d824dd4cb70245750367933c36b3385a3bb2e3b0f9c861a18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 199231852be5785db9ce00a21137098bc3e26dbbffa57061ab37d074554df403 [INFO] running `Command { std: "docker" "start" "-a" "199231852be5785db9ce00a21137098bc3e26dbbffa57061ab37d074554df403", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> examples/p710.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 53 | / match self.blacklist.binary_search(&rs) { [INFO] [stderr] 54 | | Ok(_) => continue, [INFO] [stderr] 55 | | Err(_) => return rs, [INFO] [stderr] 56 | | } [INFO] [stderr] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] ... [INFO] [stderr] 59 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `unreachable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> examples/p710.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | fn new(N: i32, mut blacklist: Vec) -> Self { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> examples/p1094.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> examples/p437.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | struct Solution; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `path_sum` [INFO] [stderr] --> examples/p437.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn path_sum(root: Option>>, sum: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `leetcode` (example "p710") generated 2 warnings [INFO] [stderr] warning: `leetcode` (example "p1094") generated 1 warning [INFO] [stderr] warning: `leetcode` (example "p437") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.18s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode-e0666127c0b9d043) [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" "199231852be5785db9ce00a21137098bc3e26dbbffa57061ab37d074554df403", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "199231852be5785db9ce00a21137098bc3e26dbbffa57061ab37d074554df403", kill_on_drop: false }` [INFO] [stdout] 199231852be5785db9ce00a21137098bc3e26dbbffa57061ab37d074554df403