[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urielvan/leetcode-rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f5119c0a675fa7033f25820cd4cda728d204cbe6b3d60c225ff4ca5e2ae3a89
[INFO] running `Command { std: "docker" "start" "-a" "5f5119c0a675fa7033f25820cd4cda728d204cbe6b3d60c225ff4ca5e2ae3a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f5119c0a675fa7033f25820cd4cda728d204cbe6b3d60c225ff4ca5e2ae3a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5119c0a675fa7033f25820cd4cda728d204cbe6b3d60c225ff4ca5e2ae3a89", kill_on_drop: false }`
[INFO] [stdout] 5f5119c0a675fa7033f25820cd4cda728d204cbe6b3d60c225ff4ca5e2ae3a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfaf08e3e8cfebea2f0c822d73aaead8238fc83c82c5f14737b8e3d1b69553a6
[INFO] running `Command { std: "docker" "start" "-a" "bfaf08e3e8cfebea2f0c822d73aaead8238fc83c82c5f14737b8e3d1b69553a6", 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 0.74s
[INFO] running `Command { std: "docker" "inspect" "bfaf08e3e8cfebea2f0c822d73aaead8238fc83c82c5f14737b8e3d1b69553a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaf08e3e8cfebea2f0c822d73aaead8238fc83c82c5f14737b8e3d1b69553a6", kill_on_drop: false }`
[INFO] [stdout] bfaf08e3e8cfebea2f0c822d73aaead8238fc83c82c5f14737b8e3d1b69553a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb08be14f0dabed9a889aed77bd999a385d83eb240f917218cd13708b2eb6ad
[INFO] running `Command { std: "docker" "start" "-a" "3cb08be14f0dabed9a889aed77bd999a385d83eb240f917218cd13708b2eb6ad", 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] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 1.14s
[INFO] running `Command { std: "docker" "inspect" "3cb08be14f0dabed9a889aed77bd999a385d83eb240f917218cd13708b2eb6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb08be14f0dabed9a889aed77bd999a385d83eb240f917218cd13708b2eb6ad", kill_on_drop: false }`
[INFO] [stdout] 3cb08be14f0dabed9a889aed77bd999a385d83eb240f917218cd13708b2eb6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0c46eb7c0f35c75116e7972eabc0939d24c49d92f7bef4ed2dc925408dfd62b
[INFO] running `Command { std: "docker" "start" "-a" "e0c46eb7c0f35c75116e7972eabc0939d24c49d92f7bef4ed2dc925408dfd62b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-62ad262656905ee4)
[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] [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] [stderr]    Doc-tests leetcode
[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" "e0c46eb7c0f35c75116e7972eabc0939d24c49d92f7bef4ed2dc925408dfd62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c46eb7c0f35c75116e7972eabc0939d24c49d92f7bef4ed2dc925408dfd62b", kill_on_drop: false }`
[INFO] [stdout] e0c46eb7c0f35c75116e7972eabc0939d24c49d92f7bef4ed2dc925408dfd62b