[INFO] cloning repository https://github.com/VhRvo/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VhRvo/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVhRvo%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVhRvo%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e033000dae472d12d097047b56656d971ab6086
[INFO] testing VhRvo/leetcode against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVhRvo%2Fleetcode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VhRvo/leetcode
[INFO] finished tweaking git repo https://github.com/VhRvo/leetcode
[INFO] tweaked toml for git repo https://github.com/VhRvo/leetcode written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VhRvo/leetcode on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VhRvo/leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c62998d098778298f27d8d28094135bc2540bb57f1a6b6612e6e6af8bbfc73b
[INFO] running `Command { std: "docker" "start" "-a" "0c62998d098778298f27d8d28094135bc2540bb57f1a6b6612e6e6af8bbfc73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c62998d098778298f27d8d28094135bc2540bb57f1a6b6612e6e6af8bbfc73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c62998d098778298f27d8d28094135bc2540bb57f1a6b6612e6e6af8bbfc73b", kill_on_drop: false }`
[INFO] [stdout] 0c62998d098778298f27d8d28094135bc2540bb57f1a6b6612e6e6af8bbfc73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f53f62d432485bb34c62a928c120d03f3aff9829beef08bdc881c8cef122a1f
[INFO] running `Command { std: "docker" "start" "-a" "8f53f62d432485bb34c62a928c120d03f3aff9829beef08bdc881c8cef122a1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `xor_all` is assigned to, but never used
[INFO] [stdout]  --> src/lc2965.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let mut xor_all = (1..=n.pow(2)).fold(0, |result, elem| result ^ elem);
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_xor_all` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `xor_all` is never read
[INFO] [stdout]  --> src/lc2965.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |                 xor_all ^= *number;
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "8f53f62d432485bb34c62a928c120d03f3aff9829beef08bdc881c8cef122a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f53f62d432485bb34c62a928c120d03f3aff9829beef08bdc881c8cef122a1f", kill_on_drop: false }`
[INFO] [stdout] 8f53f62d432485bb34c62a928c120d03f3aff9829beef08bdc881c8cef122a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca50c86f1815a83df848f9ccc2cce3e688be1381032b952a48cc8c8813e10542
[INFO] running `Command { std: "docker" "start" "-a" "ca50c86f1815a83df848f9ccc2cce3e688be1381032b952a48cc8c8813e10542", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `xor_all` is assigned to, but never used
[INFO] [stdout]  --> src/lc2965.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let mut xor_all = (1..=n.pow(2)).fold(0, |result, elem| result ^ elem);
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_xor_all` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `xor_all` is never read
[INFO] [stdout]  --> src/lc2965.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |                 xor_all ^= *number;
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "ca50c86f1815a83df848f9ccc2cce3e688be1381032b952a48cc8c8813e10542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca50c86f1815a83df848f9ccc2cce3e688be1381032b952a48cc8c8813e10542", kill_on_drop: false }`
[INFO] [stdout] ca50c86f1815a83df848f9ccc2cce3e688be1381032b952a48cc8c8813e10542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 091a3682419e5c5c253b716c8fd642807b12049171560aa17370bc542ef19238
[INFO] running `Command { std: "docker" "start" "-a" "091a3682419e5c5c253b716c8fd642807b12049171560aa17370bc542ef19238", kill_on_drop: false }`
[INFO] [stderr] warning: variable `xor_all` is assigned to, but never used
[INFO] [stderr]  --> src/lc2965.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |         let mut xor_all = (1..=n.pow(2)).fold(0, |result, elem| result ^ elem);
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_xor_all` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `xor_all` is never read
[INFO] [stderr]  --> src/lc2965.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |                 xor_all ^= *number;
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (bin "leetcode" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-d944084c0e0caa8f)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test lc1738::test1 ... ok
[INFO] [stdout] test lc1017::test ... ok
[INFO] [stdout] test lc1329::test ... ok
[INFO] [stdout] test lc1146::test ... ok
[INFO] [stdout] test lc260::tests::test2 ... ok
[INFO] [stdout] test lc2639::test ... ok
[INFO] [stdout] test lc260::tests::test3 ... ok
[INFO] [stdout] test lc1103::tests::test ... ok
[INFO] [stdout] test lc2928::tests::test2 ... ok
[INFO] [stdout] test lc2981::tests::test2 ... ok
[INFO] [stdout] test lc2981::tests::test3 ... ok
[INFO] [stdout] test lc2982::tests::test2 ... ok
[INFO] [stdout] test lc2982::tests::test3 ... ok
[INFO] [stdout] test lc312::tests::test1 ... ok
[INFO] [stdout] test lc2982::tests::test5 ... ok
[INFO] [stdout] test lc2982::tests::test4 ... ok
[INFO] [stdout] test lc312::tests::test2 ... ok
[INFO] [stdout] test lc2982::tests::test6 ... ok
[INFO] [stdout] test lc2982::tests::test7 ... ok
[INFO] [stdout] test lc260::tests::test1 ... ok
[INFO] [stdout] test lc2385::test_option_max_min ... ok
[INFO] [stdout] test lc575::tests::test1 ... ok
[INFO] [stdout] test lc1768::test ... ok
[INFO] [stdout] test lc36::test_is_row_valid ... ok
[INFO] [stdout] test lc7::test ... ok
[INFO] [stdout] test lc881::tests::test1 ... ok
[INFO] [stdout] test lc377::test_combination ... ok
[INFO] [stdout] test lc881::tests::test2 ... ok
[INFO] [stdout] test lc974::tests::test2 ... ok
[INFO] [stdout] test lc881::tests::test3 ... ok
[INFO] [stdout] test lc387::test ... ok
[INFO] [stdout] test lc377::test_combination_sum ... ok
[INFO] [stdout] test lc2982::tests::test1 ... ok
[INFO] [stdout] test lc36::test ... ok
[INFO] [stdout] test lc1738::test2 ... ok
[INFO] [stdout] test lc974::tests::test1 ... ok
[INFO] [stdout] test lc1738::test3 ... ok
[INFO] [stdout] test lc2928::tests::test1 ... ok
[INFO] [stdout] test lc2981::tests::test4 ... ok
[INFO] [stdout] test lc2981::tests::test1 ... ok
[INFO] [stdout] test lc377::test_combination_sum4 has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "091a3682419e5c5c253b716c8fd642807b12049171560aa17370bc542ef19238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091a3682419e5c5c253b716c8fd642807b12049171560aa17370bc542ef19238", kill_on_drop: false }`
[INFO] [stdout] 091a3682419e5c5c253b716c8fd642807b12049171560aa17370bc542ef19238
