[INFO] fetching crate cauly-rust-leetcode-utils 0.1.1...
[INFO] testing cauly-rust-leetcode-utils-0.1.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate cauly-rust-leetcode-utils 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cauly-rust-leetcode-utils 0.1.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cauly-rust-leetcode-utils 0.1.1
[INFO] finished tweaking crates.io crate cauly-rust-leetcode-utils 0.1.1
[INFO] tweaked toml for crates.io crate cauly-rust-leetcode-utils 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16bc7075f63b9821f4e3628a4dcb6c32a57ed42af21549948037ecb06bcff1da
[INFO] running `Command { std: "docker" "start" "-a" "16bc7075f63b9821f4e3628a4dcb6c32a57ed42af21549948037ecb06bcff1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16bc7075f63b9821f4e3628a4dcb6c32a57ed42af21549948037ecb06bcff1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bc7075f63b9821f4e3628a4dcb6c32a57ed42af21549948037ecb06bcff1da", kill_on_drop: false }`
[INFO] [stdout] 16bc7075f63b9821f4e3628a4dcb6c32a57ed42af21549948037ecb06bcff1da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 394447008db5127cebdada25efe0e1fb398b384658e5f4950b660036f8f9122a
[INFO] running `Command { std: "docker" "start" "-a" "394447008db5127cebdada25efe0e1fb398b384658e5f4950b660036f8f9122a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cauly-rust-leetcode-utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/rlfmt.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut filename;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "394447008db5127cebdada25efe0e1fb398b384658e5f4950b660036f8f9122a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394447008db5127cebdada25efe0e1fb398b384658e5f4950b660036f8f9122a", kill_on_drop: false }`
[INFO] [stdout] 394447008db5127cebdada25efe0e1fb398b384658e5f4950b660036f8f9122a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b01f7231f95de7cd0b21a2396ba94bbf5ad623137872c4d0413a5b3bed9e08
[INFO] running `Command { std: "docker" "start" "-a" "42b01f7231f95de7cd0b21a2396ba94bbf5ad623137872c4d0413a5b3bed9e08", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/rlfmt.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut filename;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cauly-rust-leetcode-utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/rlfmt.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut filename;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "42b01f7231f95de7cd0b21a2396ba94bbf5ad623137872c4d0413a5b3bed9e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b01f7231f95de7cd0b21a2396ba94bbf5ad623137872c4d0413a5b3bed9e08", kill_on_drop: false }`
[INFO] [stdout] 42b01f7231f95de7cd0b21a2396ba94bbf5ad623137872c4d0413a5b3bed9e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd380b9acb627916ed354d451466d0ae752fde36fc459167f6c594cf135a3469
[INFO] running `Command { std: "docker" "start" "-a" "fd380b9acb627916ed354d451466d0ae752fde36fc459167f6c594cf135a3469", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/bin/rlfmt.rs:20:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 20 |     let mut filename;
[INFO] [stdout] 
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |         |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `cauly-rust-leetcode-utils` (bin "rlfmt") generated 1 warning
[INFO] [stdout] running 8 tests
[INFO] [stderr] warning: `cauly-rust-leetcode-utils` (bin "rlfmt" test) generated 1 warning (1 duplicate)
[INFO] [stdout] test test1 ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] test test4 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cauly_rust_leetcode_utils-bc65b7034cd6d367)
[INFO] [stdout] test test7 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlfmt-2299b07817962955)
[INFO] [stdout] test test8 ... ok
[INFO] [stderr]      Running tests/binary_tree.rs (/opt/rustwide/target/debug/deps/binary_tree-27bb563bd23b4c77)
[INFO] [stdout] test test2 ... ok
[INFO] [stderr]      Running tests/union_find.rs (/opt/rustwide/target/debug/deps/union_find-e17e6dae9f4d09dd)
[INFO] [stdout] test test3 ... ok
[INFO] [stdout] test test5 ... ok
[INFO] [stdout] test test6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test2 ... ok
[INFO] [stdout] test test1 ... ok
[INFO] [stderr]    Doc-tests cauly-rust-leetcode-utils
[INFO] [stdout] test test5 ... ok
[INFO] [stdout] test test3 ... ok
[INFO] [stdout] test test4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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" "fd380b9acb627916ed354d451466d0ae752fde36fc459167f6c594cf135a3469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd380b9acb627916ed354d451466d0ae752fde36fc459167f6c594cf135a3469", kill_on_drop: false }`
[INFO] [stdout] fd380b9acb627916ed354d451466d0ae752fde36fc459167f6c594cf135a3469