[INFO] cloning repository https://github.com/ricardopieper/rust-concurrency-tests [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ricardopieper/rust-concurrency-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricardopieper%2Frust-concurrency-tests", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricardopieper%2Frust-concurrency-tests'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf5d96403af158bfc1ad58a705530c2211efde87 [INFO] testing ricardopieper/rust-concurrency-tests against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricardopieper%2Frust-concurrency-tests" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ricardopieper/rust-concurrency-tests on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ricardopieper/rust-concurrency-tests [INFO] finished tweaking git repo https://github.com/ricardopieper/rust-concurrency-tests [INFO] tweaked toml for git repo https://github.com/ricardopieper/rust-concurrency-tests written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ricardopieper/rust-concurrency-tests already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a94a337f31221ea5f5425c0e40631e94226c4ee9c900003508f1a9dbdf4041e [INFO] running `Command { std: "docker" "start" "-a" "5a94a337f31221ea5f5425c0e40631e94226c4ee9c900003508f1a9dbdf4041e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a94a337f31221ea5f5425c0e40631e94226c4ee9c900003508f1a9dbdf4041e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a94a337f31221ea5f5425c0e40631e94226c4ee9c900003508f1a9dbdf4041e", kill_on_drop: false }` [INFO] [stdout] 5a94a337f31221ea5f5425c0e40631e94226c4ee9c900003508f1a9dbdf4041e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bee7a0e8bdd3e0a2576bd62a01d0a18e2aafcc47d87bbb95ed5ae84ddd63320a [INFO] running `Command { std: "docker" "start" "-a" "bee7a0e8bdd3e0a2576bd62a01d0a18e2aafcc47d87bbb95ed5ae84ddd63320a", kill_on_drop: false }` [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rust-concurrency-tests v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "bee7a0e8bdd3e0a2576bd62a01d0a18e2aafcc47d87bbb95ed5ae84ddd63320a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bee7a0e8bdd3e0a2576bd62a01d0a18e2aafcc47d87bbb95ed5ae84ddd63320a", kill_on_drop: false }` [INFO] [stdout] bee7a0e8bdd3e0a2576bd62a01d0a18e2aafcc47d87bbb95ed5ae84ddd63320a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a8ebb367ad217892c613ec4ee5ea86d7b708aa1b18cd00f51f3ce1c960f6e36 [INFO] running `Command { std: "docker" "start" "-a" "0a8ebb367ad217892c613ec4ee5ea86d7b708aa1b18cd00f51f3ce1c960f6e36", kill_on_drop: false }` [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust-concurrency-tests v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut set = CoarseLockLinkedSet::::new(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/linked_set_tests.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "0a8ebb367ad217892c613ec4ee5ea86d7b708aa1b18cd00f51f3ce1c960f6e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a8ebb367ad217892c613ec4ee5ea86d7b708aa1b18cd00f51f3ce1c960f6e36", kill_on_drop: false }` [INFO] [stdout] 0a8ebb367ad217892c613ec4ee5ea86d7b708aa1b18cd00f51f3ce1c960f6e36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 23e839e24604bd1a8cd54f690c804ddf0838daffa6a48789cbe2a60b39cb5c90 [INFO] running `Command { std: "docker" "start" "-a" "23e839e24604bd1a8cd54f690c804ddf0838daffa6a48789cbe2a60b39cb5c90", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/coarse_grained_linked_set.rs:86:17 [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] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] [INFO] [stderr] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stdout] running 7 tests [INFO] [stderr] | [INFO] [stdout] test adds_root_and_fails_to_remove ... ok [INFO] [stderr] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stdout] test adds_multiple_items_and_removes_everything_front_to_back ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test adds_multiple_items_and_removes_everything_back_to_front ... ok [INFO] [stderr] | [INFO] [stdout] test adding_same_item_has_no_effect ... ok [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] test adds_and_removes_root ... ok [INFO] [stderr] [INFO] [stdout] test adds_item ... ok [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] test adds_multiple_items_and_removes_everything_no_particular_order ... ok [INFO] [stderr] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stderr] | [INFO] [stderr] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stderr] | [INFO] [stderr] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/linked_set_tests.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let mut set = CoarseLockLinkedSet::::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | mem::replace(&mut self.root, Some(Box::new(new_node))); [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: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:137:29 [INFO] [stderr] | [INFO] [stderr] 137 | ... mem::replace(&mut prev_node.next, Some(current_node)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/coarse_grained_linked_set.rs:141:25 [INFO] [stderr] | [INFO] [stderr] 141 | mem::replace(&mut prev_node.next, current); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_concurrency_tests-7d4d5438fc977339) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_concurrency_tests-362e83fab5b630f5) [INFO] [stderr] Running tests/linked_set_tests.rs (/opt/rustwide/target/debug/deps/linked_set_tests-8057d023e8d77e43) [INFO] [stderr] Doc-tests rust-concurrency-tests [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" "23e839e24604bd1a8cd54f690c804ddf0838daffa6a48789cbe2a60b39cb5c90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23e839e24604bd1a8cd54f690c804ddf0838daffa6a48789cbe2a60b39cb5c90", kill_on_drop: false }` [INFO] [stdout] 23e839e24604bd1a8cd54f690c804ddf0838daffa6a48789cbe2a60b39cb5c90