[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e88111c5e2a05af8f8f794d46af5580b83ea5841 [INFO] testing wangyuntao/leetcode-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangyuntao%2Fleetcode-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wangyuntao/leetcode-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7e662bc60ec5740bee3f63e3b560d42f53afa36365d74e16bece8b7abb9a41cb [INFO] running `Command { std: "docker" "start" "-a" "7e662bc60ec5740bee3f63e3b560d42f53afa36365d74e16bece8b7abb9a41cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e662bc60ec5740bee3f63e3b560d42f53afa36365d74e16bece8b7abb9a41cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e662bc60ec5740bee3f63e3b560d42f53afa36365d74e16bece8b7abb9a41cb", kill_on_drop: false }` [INFO] [stdout] 7e662bc60ec5740bee3f63e3b560d42f53afa36365d74e16bece8b7abb9a41cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3dc0b5678bee5c77c025fb1939aa30eedce298ae2a11205ca0a07d46c00bc67 [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" "f3dc0b5678bee5c77c025fb1939aa30eedce298ae2a11205ca0a07d46c00bc67", 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 1.04s [INFO] running `Command { std: "docker" "inspect" "f3dc0b5678bee5c77c025fb1939aa30eedce298ae2a11205ca0a07d46c00bc67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3dc0b5678bee5c77c025fb1939aa30eedce298ae2a11205ca0a07d46c00bc67", kill_on_drop: false }` [INFO] [stdout] f3dc0b5678bee5c77c025fb1939aa30eedce298ae2a11205ca0a07d46c00bc67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b50e5df4a6069f79c28657f19dd6aee1fcad23d53ad2dd2bdb632196bf7d86ef [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" "b50e5df4a6069f79c28657f19dd6aee1fcad23d53ad2dd2bdb632196bf7d86ef", 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 1.60s [INFO] running `Command { std: "docker" "inspect" "b50e5df4a6069f79c28657f19dd6aee1fcad23d53ad2dd2bdb632196bf7d86ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b50e5df4a6069f79c28657f19dd6aee1fcad23d53ad2dd2bdb632196bf7d86ef", kill_on_drop: false }` [INFO] [stdout] b50e5df4a6069f79c28657f19dd6aee1fcad23d53ad2dd2bdb632196bf7d86ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad8c247a88d4cb09265dddd8952f8e5719254041c81f469d64b62183e85f412f [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" "ad8c247a88d4cb09265dddd8952f8e5719254041c81f469d64b62183e85f412f", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode_rs-0a583aaa115f9a4f [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test p0066_plus_one::tests::test ... ok [INFO] [stdout] test p0058_length_of_last_word::tests::test ... ok [INFO] [stdout] test p0038_count_and_say::tests::test ... ok [INFO] [stdout] test p0088_merge_sorted_array::tests::test ... ok [INFO] [stdout] test p0067_add_binary::tests::test ... ok [INFO] [stdout] test p0053_maximum_subarray::tests::test ... ok [INFO] [stdout] test p0083_remove_duplicates_from_sorted_list::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 p0100_same_tree::tests::test ... ok [INFO] [stdout] test p0101_symmetric_tree::tests::test ... ok [INFO] [stdout] test p0104_maximum_depth_of_binary_tree::tests::test ... ok [INFO] [stdout] test p0121_best_time_to_buy_and_sell_stock::tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode_rs-11b5149f9bb33179 [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 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ad8c247a88d4cb09265dddd8952f8e5719254041c81f469d64b62183e85f412f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad8c247a88d4cb09265dddd8952f8e5719254041c81f469d64b62183e85f412f", kill_on_drop: false }` [INFO] [stdout] ad8c247a88d4cb09265dddd8952f8e5719254041c81f469d64b62183e85f412f