[INFO] cloning repository https://github.com/wangyuntao/leetcode-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangyuntao/leetcode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangyuntao%2Fleetcode-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangyuntao%2Fleetcode-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e88111c5e2a05af8f8f794d46af5580b83ea5841 [INFO] testing wangyuntao/leetcode-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangyuntao%2Fleetcode-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wangyuntao/leetcode-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wangyuntao/leetcode-rs [INFO] finished tweaking git repo https://github.com/wangyuntao/leetcode-rs [INFO] tweaked toml for git repo https://github.com/wangyuntao/leetcode-rs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/wangyuntao/leetcode-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c081a9f686f94b7d7fba96b44e870c3e9f2a2b574e4d2f205151bee6795521e6 [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" "c081a9f686f94b7d7fba96b44e870c3e9f2a2b574e4d2f205151bee6795521e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c081a9f686f94b7d7fba96b44e870c3e9f2a2b574e4d2f205151bee6795521e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c081a9f686f94b7d7fba96b44e870c3e9f2a2b574e4d2f205151bee6795521e6", kill_on_drop: false }` [INFO] [stdout] c081a9f686f94b7d7fba96b44e870c3e9f2a2b574e4d2f205151bee6795521e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a4580527bdb5e8eb658b3d0d1858217269d532e7e4c46a07748cad340d3b464 [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" "0a4580527bdb5e8eb658b3d0d1858217269d532e7e4c46a07748cad340d3b464", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/p0083_remove_duplicates_from_sorted_list.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | std::mem::replace(&mut b1.next, b2n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `Command { std: "docker" "inspect" "0a4580527bdb5e8eb658b3d0d1858217269d532e7e4c46a07748cad340d3b464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a4580527bdb5e8eb658b3d0d1858217269d532e7e4c46a07748cad340d3b464", kill_on_drop: false }` [INFO] [stdout] 0a4580527bdb5e8eb658b3d0d1858217269d532e7e4c46a07748cad340d3b464 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c295466aaed560558c8809dd61e35085a4e0d0472e284efdfb0f6da686db0973 [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" "c295466aaed560558c8809dd61e35085a4e0d0472e284efdfb0f6da686db0973", kill_on_drop: false }` [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/p0083_remove_duplicates_from_sorted_list.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | std::mem::replace(&mut b1.next, b2n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/p0083_remove_duplicates_from_sorted_list.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | std::mem::replace(&mut b1.next, b2n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `Command { std: "docker" "inspect" "c295466aaed560558c8809dd61e35085a4e0d0472e284efdfb0f6da686db0973", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c295466aaed560558c8809dd61e35085a4e0d0472e284efdfb0f6da686db0973", kill_on_drop: false }` [INFO] [stdout] c295466aaed560558c8809dd61e35085a4e0d0472e284efdfb0f6da686db0973 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1d65cd24066e6a0c0d30390f86553ac6440af30860d226ce8563900bca62b4ff [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" "1d65cd24066e6a0c0d30390f86553ac6440af30860d226ce8563900bca62b4ff", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] running 14 tests [INFO] [stderr] --> src/p0083_remove_duplicates_from_sorted_list.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | std::mem::replace(&mut b1.next, b2n); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: `leetcode-rs` (lib) generated 1 warning [INFO] [stderr] warning: `leetcode-rs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rs-132087286e1c7fec) [INFO] [stdout] test p0038_count_and_say::tests::test ... ok [INFO] [stdout] test p0121_best_time_to_buy_and_sell_stock::tests::test ... ok [INFO] [stdout] test p0258_add_digits::tests::test ... ok [INFO] [stdout] test p0168_excel_sheet_column_title::tests::test ... ok [INFO] [stdout] test p0155_min_stack::tests::test ... ok [INFO] [stdout] test p0101_symmetric_tree::tests::test ... ok [INFO] [stdout] test p0088_merge_sorted_array::tests::test ... ok [INFO] [stdout] test p0083_remove_duplicates_from_sorted_list::tests::test ... ok [INFO] [stdout] test p0066_plus_one::tests::test ... ok [INFO] [stdout] test p0104_maximum_depth_of_binary_tree::tests::test ... ok [INFO] [stdout] test p0053_maximum_subarray::tests::test ... ok [INFO] [stdout] test p0100_same_tree::tests::test ... ok [INFO] [stdout] test p0067_add_binary::tests::test ... ok [INFO] [stdout] test p0058_length_of_last_word::tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rs-cc72ac7a72fe347a) [INFO] [stdout] [INFO] [stderr] Doc-tests leetcode-rs [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] [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" "1d65cd24066e6a0c0d30390f86553ac6440af30860d226ce8563900bca62b4ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d65cd24066e6a0c0d30390f86553ac6440af30860d226ce8563900bca62b4ff", kill_on_drop: false }` [INFO] [stdout] 1d65cd24066e6a0c0d30390f86553ac6440af30860d226ce8563900bca62b4ff