[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#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furielvan%2Fleetcode-rust" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/urielvan/leetcode-rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-59/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16b6fd1eeaea7dc21146e4d44c6be2f76f7923fbc0a23211c7c780932be57c0
[INFO] running `Command { std: "docker" "start" "-a" "c16b6fd1eeaea7dc21146e4d44c6be2f76f7923fbc0a23211c7c780932be57c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16b6fd1eeaea7dc21146e4d44c6be2f76f7923fbc0a23211c7c780932be57c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16b6fd1eeaea7dc21146e4d44c6be2f76f7923fbc0a23211c7c780932be57c0", kill_on_drop: false }`
[INFO] [stdout] c16b6fd1eeaea7dc21146e4d44c6be2f76f7923fbc0a23211c7c780932be57c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5fc95acd91b5cfa6e6841afda16311c6cfe2ab7ff347bffb185f84f7016b7a
[INFO] running `Command { std: "docker" "start" "-a" "3e5fc95acd91b5cfa6e6841afda16311c6cfe2ab7ff347bffb185f84f7016b7a", 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 1.53s
[INFO] running `Command { std: "docker" "inspect" "3e5fc95acd91b5cfa6e6841afda16311c6cfe2ab7ff347bffb185f84f7016b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5fc95acd91b5cfa6e6841afda16311c6cfe2ab7ff347bffb185f84f7016b7a", kill_on_drop: false }`
[INFO] [stdout] 3e5fc95acd91b5cfa6e6841afda16311c6cfe2ab7ff347bffb185f84f7016b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db1f6b33ae02903a5dcae6f09966524b331755cc1cd65793b8ea5893059a867
[INFO] running `Command { std: "docker" "start" "-a" "0db1f6b33ae02903a5dcae6f09966524b331755cc1cd65793b8ea5893059a867", 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] [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 1.06s
[INFO] running `Command { std: "docker" "inspect" "0db1f6b33ae02903a5dcae6f09966524b331755cc1cd65793b8ea5893059a867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db1f6b33ae02903a5dcae6f09966524b331755cc1cd65793b8ea5893059a867", kill_on_drop: false }`
[INFO] [stdout] 0db1f6b33ae02903a5dcae6f09966524b331755cc1cd65793b8ea5893059a867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c7c54139f0818f66550d1634b0f1ed45b867c12545917875416699341fce920
[INFO] running `Command { std: "docker" "start" "-a" "6c7c54139f0818f66550d1634b0f1ed45b867c12545917875416699341fce920", 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: `leetcode` (lib) generated 1 warning
[INFO] [stderr] warning: `leetcode` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-2bfe3101f1132499)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test p0001_two_sum::test::test_two_sum ... ok
[INFO] [stdout] test p0002_add_two_numbers::test::test_add_two_numbers ... ok
[INFO] [stdout] test p0003_longest_substring_without_repeating_characters::test::test_length_of_longest_substring ... 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" "6c7c54139f0818f66550d1634b0f1ed45b867c12545917875416699341fce920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7c54139f0818f66550d1634b0f1ed45b867c12545917875416699341fce920", kill_on_drop: false }`
[INFO] [stdout] 6c7c54139f0818f66550d1634b0f1ed45b867c12545917875416699341fce920