[INFO] cloning repository https://github.com/urielvan/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/urielvan/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 57da224e373d48054cd437e2b58576ef9195251b [INFO] testing urielvan/leetcode-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/urielvan/leetcode-rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/urielvan/leetcode-rust [INFO] finished tweaking git repo https://github.com/urielvan/leetcode-rust [INFO] tweaked toml for git repo https://github.com/urielvan/leetcode-rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/urielvan/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9012f7d7e888f51c9c266a554ba9a1cb2fedf942d7558881f0b52aa7b236a096 [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" "9012f7d7e888f51c9c266a554ba9a1cb2fedf942d7558881f0b52aa7b236a096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9012f7d7e888f51c9c266a554ba9a1cb2fedf942d7558881f0b52aa7b236a096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9012f7d7e888f51c9c266a554ba9a1cb2fedf942d7558881f0b52aa7b236a096", kill_on_drop: false }` [INFO] [stdout] 9012f7d7e888f51c9c266a554ba9a1cb2fedf942d7558881f0b52aa7b236a096 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] 0fb1a3f772ce36f90a989d1bacce479f6464ff1a0993ad90d0f156984a62917a [INFO] running `Command { std: "docker" "start" "-a" "0fb1a3f772ce36f90a989d1bacce479f6464ff1a0993ad90d0f156984a62917a", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `cur_num` is never read [INFO] [stdout] --> src/p0004_median_of_two_sorted_arrays.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | let (mut ans, mut cur_num) = (0.0, 0); [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 dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "0fb1a3f772ce36f90a989d1bacce479f6464ff1a0993ad90d0f156984a62917a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fb1a3f772ce36f90a989d1bacce479f6464ff1a0993ad90d0f156984a62917a", kill_on_drop: false }` [INFO] [stdout] 0fb1a3f772ce36f90a989d1bacce479f6464ff1a0993ad90d0f156984a62917a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 626938b7817bc3e257444ba94c83f34ebcd80f6f19d235db6b541b8692314b85 [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" "626938b7817bc3e257444ba94c83f34ebcd80f6f19d235db6b541b8692314b85", kill_on_drop: false }` [INFO] [stdout] warning: value assigned to `cur_num` is never read [INFO] [stdout] --> src/p0004_median_of_two_sorted_arrays.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | let (mut ans, mut cur_num) = (0.0, 0); [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] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `cur_num` is never read [INFO] [stdout] --> src/p0004_median_of_two_sorted_arrays.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | let (mut ans, mut cur_num) = (0.0, 0); [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 1.55s [INFO] running `Command { std: "docker" "inspect" "626938b7817bc3e257444ba94c83f34ebcd80f6f19d235db6b541b8692314b85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "626938b7817bc3e257444ba94c83f34ebcd80f6f19d235db6b541b8692314b85", kill_on_drop: false }` [INFO] [stdout] 626938b7817bc3e257444ba94c83f34ebcd80f6f19d235db6b541b8692314b85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] 6daf75ab09c55ec5e507b5c2bb77e49e0e1c6ef3aa32010aac44c50a5a6cb93b [INFO] running `Command { std: "docker" "start" "-a" "6daf75ab09c55ec5e507b5c2bb77e49e0e1c6ef3aa32010aac44c50a5a6cb93b", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `cur_num` is never read [INFO] [stderr] --> src/p0004_median_of_two_sorted_arrays.rs:9:27 [INFO] [stderr] | [INFO] [stderr] 9 | let (mut ans, mut cur_num) = (0.0, 0); [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `cur_num` is never read [INFO] [stderr] --> src/p0004_median_of_two_sorted_arrays.rs:9:27 [INFO] [stderr] | [INFO] [stderr] 9 | let (mut ans, mut cur_num) = (0.0, 0); [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode-fb64e5840337fc5a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test p0001_two_sum::test::test_two_sum ... ok [INFO] [stdout] test p0003_longest_substring_without_repeating_characters::test::test_length_of_longest_substring ... ok [INFO] [stderr] Doc-tests leetcode [INFO] [stdout] test p0002_add_two_numbers::test::test_add_two_numbers ... ok [INFO] [stdout] test p0004_median_of_two_sorted_arrays::test::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [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" "6daf75ab09c55ec5e507b5c2bb77e49e0e1c6ef3aa32010aac44c50a5a6cb93b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6daf75ab09c55ec5e507b5c2bb77e49e0e1c6ef3aa32010aac44c50a5a6cb93b", kill_on_drop: false }` [INFO] [stdout] 6daf75ab09c55ec5e507b5c2bb77e49e0e1c6ef3aa32010aac44c50a5a6cb93b