[INFO] cloning repository https://github.com/mantou132/LeetCode-Solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mantou132/LeetCode-Solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantou132%2FLeetCode-Solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantou132%2FLeetCode-Solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0236012980391e37c398cd22aa9e145d83eb6dfa [INFO] testing mantou132/LeetCode-Solution against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantou132%2FLeetCode-Solution" "/workspace/builds/worker-57/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mantou132/LeetCode-Solution on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mantou132/LeetCode-Solution [INFO] finished tweaking git repo https://github.com/mantou132/LeetCode-Solution [INFO] tweaked toml for git repo https://github.com/mantou132/LeetCode-Solution written to /workspace/builds/worker-57/source/Cargo.toml [INFO] crate git repo https://github.com/mantou132/LeetCode-Solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a860027657d81abe18756a262c8ffd7409348d48f75a511839d31990567bf7b [INFO] running `Command { std: "docker" "start" "-a" "5a860027657d81abe18756a262c8ffd7409348d48f75a511839d31990567bf7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a860027657d81abe18756a262c8ffd7409348d48f75a511839d31990567bf7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a860027657d81abe18756a262c8ffd7409348d48f75a511839d31990567bf7b", kill_on_drop: false }` [INFO] [stdout] 5a860027657d81abe18756a262c8ffd7409348d48f75a511839d31990567bf7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 431a55fac96576270a6e855cbe33266009b50e30839b7595d107de09838d08cb [INFO] running `Command { std: "docker" "start" "-a" "431a55fac96576270a6e855cbe33266009b50e30839b7595d107de09838d08cb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `curr` is never read [INFO] [stdout] --> src/p2.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | curr = curr.next.as_mut().unwrap(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/p1.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | 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: `two_sum` [INFO] [stdout] --> src/p1.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/p2.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/p2.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_two_numbers` [INFO] [stdout] --> src/p2.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn add_two_numbers( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/p3.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length_of_longest_substring` [INFO] [stdout] --> src/p3.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/p4.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_median_sorted_arrays` [INFO] [stdout] --> src/p4.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_median_sorted_arrays(nums1: Vec, nums2: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.41s [INFO] running `Command { std: "docker" "inspect" "431a55fac96576270a6e855cbe33266009b50e30839b7595d107de09838d08cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "431a55fac96576270a6e855cbe33266009b50e30839b7595d107de09838d08cb", kill_on_drop: false }` [INFO] [stdout] 431a55fac96576270a6e855cbe33266009b50e30839b7595d107de09838d08cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 236ddeaa9d5a1a4574e7a07d420764ef9a16595757c1615ed1b6bc7f2833fc10 [INFO] running `Command { std: "docker" "start" "-a" "236ddeaa9d5a1a4574e7a07d420764ef9a16595757c1615ed1b6bc7f2833fc10", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `curr` is never read [INFO] [stdout] --> src/p2.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | curr = curr.next.as_mut().unwrap(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.69s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode_solution-071fb0fef0299921) [INFO] running `Command { std: "docker" "inspect" "236ddeaa9d5a1a4574e7a07d420764ef9a16595757c1615ed1b6bc7f2833fc10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "236ddeaa9d5a1a4574e7a07d420764ef9a16595757c1615ed1b6bc7f2833fc10", kill_on_drop: false }` [INFO] [stdout] 236ddeaa9d5a1a4574e7a07d420764ef9a16595757c1615ed1b6bc7f2833fc10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3b4c2bfc05d7119e6ecf63b5e5aca7fd134144851fbe8073606348082b3ed1af [INFO] running `Command { std: "docker" "start" "-a" "3b4c2bfc05d7119e6ecf63b5e5aca7fd134144851fbe8073606348082b3ed1af", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: value assigned to `curr` is never read [INFO] [stderr] --> src/p2.rs:56:7 [INFO] [stderr] | [INFO] [stderr] 56 | curr = curr.next.as_mut().unwrap(); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `leetcode-solution` (bin "leetcode-solution" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.51s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode_solution-071fb0fef0299921) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test p1::tests::two_sum ... ok [INFO] [stdout] test p2::tests::add_two_numbers ... ok [INFO] [stdout] test p3::tests::length_of_longest_substring ... ok [INFO] [stdout] test p4::tests::find_median_sorted_arrays ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3b4c2bfc05d7119e6ecf63b5e5aca7fd134144851fbe8073606348082b3ed1af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4c2bfc05d7119e6ecf63b5e5aca7fd134144851fbe8073606348082b3ed1af", kill_on_drop: false }` [INFO] [stdout] 3b4c2bfc05d7119e6ecf63b5e5aca7fd134144851fbe8073606348082b3ed1af