[INFO] cloning repository https://github.com/JPMoresmau/rust-interview [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPMoresmau/rust-interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b98536660962f2e0ad3d5540cbd877fa38ace622 [INFO] testing JPMoresmau/rust-interview against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Frust-interview" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JPMoresmau/rust-interview on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JPMoresmau/rust-interview [INFO] finished tweaking git repo https://github.com/JPMoresmau/rust-interview [INFO] tweaked toml for git repo https://github.com/JPMoresmau/rust-interview written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/JPMoresmau/rust-interview already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28336ea95d9e5ad2e6d65b9f75358a181112dc17e0e031b3f4f953cf8d966415 [INFO] running `Command { std: "docker" "start" "-a" "28336ea95d9e5ad2e6d65b9f75358a181112dc17e0e031b3f4f953cf8d966415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28336ea95d9e5ad2e6d65b9f75358a181112dc17e0e031b3f4f953cf8d966415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28336ea95d9e5ad2e6d65b9f75358a181112dc17e0e031b3f4f953cf8d966415", kill_on_drop: false }` [INFO] [stdout] 28336ea95d9e5ad2e6d65b9f75358a181112dc17e0e031b3f4f953cf8d966415 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 818541f1c3961c3476de6600c314383810bfe41e65ed54455f6aba384e53e52e [INFO] running `Command { std: "docker" "start" "-a" "818541f1c3961c3476de6600c314383810bfe41e65ed54455f6aba384e53e52e", kill_on_drop: false }` [INFO] [stderr] Compiling interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `heap_right` [INFO] [stdout] --> src/array.rs:326:4 [INFO] [stdout] | [INFO] [stdout] 326 | fn heap_right (i: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/llist.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | mem::replace(&mut self.head, LCell::Cell(d,Box::new(lc))); [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/llist.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | mem::replace(&mut self.head,lc); [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/llist.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | mem::replace(&mut self.head,lcn); [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/llist.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | mem::replace(&mut self.head,rl.head); [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/llist.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut self.head,LCell::Nil); [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/llist.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | mem::replace(d, f(d)); [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/llist.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | mem::replace(&mut self.head,&(*n)); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.61s [INFO] running `Command { std: "docker" "inspect" "818541f1c3961c3476de6600c314383810bfe41e65ed54455f6aba384e53e52e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "818541f1c3961c3476de6600c314383810bfe41e65ed54455f6aba384e53e52e", kill_on_drop: false }` [INFO] [stdout] 818541f1c3961c3476de6600c314383810bfe41e65ed54455f6aba384e53e52e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7efe7e0c273db97eacfb7efa32a5606d07954f8173a08f3ba18dd1be6e0d90b [INFO] running `Command { std: "docker" "start" "-a" "a7efe7e0c273db97eacfb7efa32a5606d07954f8173a08f3ba18dd1be6e0d90b", kill_on_drop: false }` [INFO] [stderr] Compiling interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `heap_right` [INFO] [stdout] --> src/array.rs:326:4 [INFO] [stdout] | [INFO] [stdout] 326 | fn heap_right (i: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/llist.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | mem::replace(&mut self.head, LCell::Cell(d,Box::new(lc))); [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/llist.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | mem::replace(&mut self.head,lc); [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/llist.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | mem::replace(&mut self.head,lcn); [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/llist.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | mem::replace(&mut self.head,rl.head); [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/llist.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut self.head,LCell::Nil); [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/llist.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | mem::replace(d, f(d)); [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/llist.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | mem::replace(&mut self.head,&(*n)); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `heap_right` [INFO] [stdout] --> src/array.rs:326:4 [INFO] [stdout] | [INFO] [stdout] 326 | fn heap_right (i: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/llist.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | mem::replace(&mut self.head, LCell::Cell(d,Box::new(lc))); [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/llist.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | mem::replace(&mut self.head,lc); [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/llist.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | mem::replace(&mut self.head,lcn); [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/llist.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | mem::replace(&mut self.head,rl.head); [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/llist.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut self.head,LCell::Nil); [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/llist.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | mem::replace(d, f(d)); [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/llist.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | mem::replace(&mut self.head,&(*n)); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.03s [INFO] running `Command { std: "docker" "inspect" "a7efe7e0c273db97eacfb7efa32a5606d07954f8173a08f3ba18dd1be6e0d90b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7efe7e0c273db97eacfb7efa32a5606d07954f8173a08f3ba18dd1be6e0d90b", kill_on_drop: false }` [INFO] [stdout] a7efe7e0c273db97eacfb7efa32a5606d07954f8173a08f3ba18dd1be6e0d90b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f804b717bf019f4ea7eb29fe88e10b47557ad08de13fe829a1dd352817879f1d [INFO] running `Command { std: "docker" "start" "-a" "f804b717bf019f4ea7eb29fe88e10b47557ad08de13fe829a1dd352817879f1d", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `heap_right` [INFO] [stderr] --> src/array.rs:326:4 [INFO] [stderr] | [INFO] [stderr] 326 | fn heap_right (i: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/llist.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | mem::replace(&mut self.head, LCell::Cell(d,Box::new(lc))); [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/llist.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | mem::replace(&mut self.head,lc); [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/llist.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | mem::replace(&mut self.head,lcn); [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/llist.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | mem::replace(&mut self.head,rl.head); [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/llist.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 82 | mem::replace(&mut self.head,LCell::Nil); [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/llist.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | mem::replace(d, f(d)); [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/llist.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | mem::replace(&mut self.head,&(*n)); [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: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `heap_right` [INFO] [stderr] --> src/array.rs:326:4 [INFO] [stderr] | [INFO] [stderr] 326 | fn heap_right (i: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/llist.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | mem::replace(&mut self.head, LCell::Cell(d,Box::new(lc))); [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/llist.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | mem::replace(&mut self.head,lc); [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/llist.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | mem::replace(&mut self.head,lcn); [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/llist.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | mem::replace(&mut self.head,rl.head); [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/llist.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 82 | mem::replace(&mut self.head,LCell::Nil); [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/llist.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | mem::replace(d, f(d)); [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/llist.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | mem::replace(&mut self.head,&(*n)); [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: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/interview-904ff8e3b5e78c94) [INFO] [stdout] [INFO] [stdout] running 38 tests [INFO] [stdout] test array::tests::test_bubble_sort ... ok [INFO] [stdout] test array::tests::test_insertion_sort ... ok [INFO] [stdout] test llist::tests::test_clear ... ok [INFO] [stdout] test array::tests::test_missing_number ... ok [INFO] [stdout] test array::tests::test_quick_sort ... ok [INFO] [stdout] test array::tests::test_range ... ok [INFO] [stdout] test llist::tests::test_from_iter ... ok [INFO] [stdout] test array::tests::test_merge_sort ... ok [INFO] [stdout] test btree::tests::test_from_it ... ok [INFO] [stdout] test llist::tests::test_into_iter ... ok [INFO] [stdout] test btree::tests::test_in_order ... ok [INFO] [stdout] test llist::tests::test_head ... ok [INFO] [stdout] test llist::tests::test_map ... ok [INFO] [stdout] test llist::tests::test_reverse ... ok [INFO] [stdout] test llist::tests::test_push_pop ... ok [INFO] [stdout] test array::tests::test_pairs_product ... ok [INFO] [stdout] test array::tests::test_heap_sort ... ok [INFO] [stdout] test array::tests::test_duplicate ... ok [INFO] [stdout] test math::tests::test_angle_difference ... ok [INFO] [stdout] test array::tests::test_reverse ... ok [INFO] [stdout] test btree::tests::test_wikipedia ... ok [INFO] [stdout] test string::tests::test_occurrences ... ok [INFO] [stdout] test string::tests::test_permutations ... ok [INFO] [stdout] test string::tests::test_reverse ... ok [INFO] [stdout] test calc::tests::test_eval ... ok [INFO] [stdout] test btree::tests::test_basic ... ok [INFO] [stdout] test string::tests::test_palindrome ... ok [INFO] [stdout] test array::tests::test_duplicates ... ok [INFO] [stdout] test array::tests::test_dedup ... ok [INFO] [stdout] test string::tests::test_anagram ... ok [INFO] [stdout] test array::tests::test_range_panic ... ok [INFO] [stdout] test llist::tests::test_empty_pop ... ok [INFO] [stdout] test llist::tests::test_empty_pop_after_clear ... ok [INFO] [stdout] test llist::tests::test_empty_head ... ok [INFO] [stdout] test array::tests::test_missing_number_panic ... ok [INFO] [stdout] test file::tests::test_password_file ... FAILED [INFO] [stdout] test deranged::tests::test_get_words ... ok [INFO] [stdout] test deranged::tests::test_longest_deranged ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- file::tests::test_password_file stdout ---- [INFO] [stdout] thread 'file::tests::test_password_file' panicked at 'cannot write file: Os { code: 30, kind: Other, message: "Read-only file system" }', src/file.rs:155:51 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5576b7154a70 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5576b7154a70 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5576b7154a70 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5576b7154a70 - ::fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5576b71785dc - core[ee1ca6415511a9c4]::fmt::write [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x5576b71519b5 - as std[77c0456e0eb29f0c]::io::Write>::write_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x5576b7156bfb - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5576b7156bfb - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5576b7156bfb - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5576b715670c - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x5576b71572a1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x5576b7156da7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x5576b7154f6c - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5576b7156d09 - rust_begin_unwind [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x5576b70a6531 - core[ee1ca6415511a9c4]::panicking::panic_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x5576b70a6623 - core[ee1ca6415511a9c4]::result::unwrap_failed [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x5576b70dad99 - >::expect [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x5576b70ba864 - interview[d85009640a4d4ec9]::file::tests::test_password_file [INFO] [stdout] at /opt/rustwide/workdir/src/file.rs:155:9 [INFO] [stdout] 18: 0x5576b70ba35a - interview[d85009640a4d4ec9]::file::tests::test_password_file::{closure#0} [INFO] [stdout] at /opt/rustwide/workdir/src/file.rs:118:5 [INFO] [stdout] 19: 0x5576b7104e6e - >::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5576b712bfb3 - >::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5576b712bfb3 - test[eeb9024d9ac7bc83]::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:577:5 [INFO] [stdout] 22: 0x5576b712aa7c - + core[ee1ca6415511a9c4]::marker::Send> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 23: 0x5576b712aa7c - + core[ee1ca6415511a9c4]::marker::Send>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9 [INFO] [stdout] 24: 0x5576b712aa7c - std[77c0456e0eb29f0c]::panicking::try::do_call:: + core[ee1ca6415511a9c4]::marker::Send>>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x5576b712aa7c - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe + core[ee1ca6415511a9c4]::marker::Send>>> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x5576b712aa7c - std[77c0456e0eb29f0c]::panic::catch_unwind:: + core[ee1ca6415511a9c4]::marker::Send>>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stdout] 27: 0x5576b712aa7c - test[eeb9024d9ac7bc83]::run_test_in_process [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:600:18 [INFO] [stdout] 28: 0x5576b712aa7c - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x5576b710a742 - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x5576b710a742 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x5576b710b028 - ::spawn_unchecked::::{closure#0}::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 32: 0x5576b710b028 - ::spawn_unchecked::{closure#0}::{closure#0}> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9 [INFO] [stdout] 33: 0x5576b710b028 - std[77c0456e0eb29f0c]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x5576b710b028 - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<::spawn_unchecked::{closure#0}::{closure#0}>> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x5576b710b028 - std[77c0456e0eb29f0c]::panic::catch_unwind::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stdout] 36: 0x5576b710b028 - ::spawn_unchecked::::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 37: 0x5576b710b028 - <::spawn_unchecked::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5576b715bf37 - > as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 39: 0x5576b715bf37 - >> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 40: 0x5576b715bf37 - ::new::thread_start [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 41: 0x7fad3a4d5609 - start_thread [INFO] [stdout] 42: 0x7fad3a2a7293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] file::tests::test_password_file [INFO] [stdout] [INFO] [stdout] test result: FAILED. 37 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "f804b717bf019f4ea7eb29fe88e10b47557ad08de13fe829a1dd352817879f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f804b717bf019f4ea7eb29fe88e10b47557ad08de13fe829a1dd352817879f1d", kill_on_drop: false }` [INFO] [stdout] f804b717bf019f4ea7eb29fe88e10b47557ad08de13fe829a1dd352817879f1d