[INFO] cloning repository https://github.com/jclmnop/dining-philosophers-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jclmnop/dining-philosophers-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclmnop%2Fdining-philosophers-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclmnop%2Fdining-philosophers-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 15190c0bb159002116aff700c3438542213fbd8f [INFO] testing jclmnop/dining-philosophers-rust against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclmnop%2Fdining-philosophers-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jclmnop/dining-philosophers-rust [INFO] finished tweaking git repo https://github.com/jclmnop/dining-philosophers-rust [INFO] tweaked toml for git repo https://github.com/jclmnop/dining-philosophers-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jclmnop/dining-philosophers-rust on toolchain 33835004928d3bf65db4d4712e1330766263b0bd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jclmnop/dining-philosophers-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d96151b8c048b0b0ff87341abc7731e1a5592087c62617f39a2440761a6e503d [INFO] running `Command { std: "docker" "start" "-a" "d96151b8c048b0b0ff87341abc7731e1a5592087c62617f39a2440761a6e503d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d96151b8c048b0b0ff87341abc7731e1a5592087c62617f39a2440761a6e503d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d96151b8c048b0b0ff87341abc7731e1a5592087c62617f39a2440761a6e503d", kill_on_drop: false }` [INFO] [stdout] d96151b8c048b0b0ff87341abc7731e1a5592087c62617f39a2440761a6e503d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8dd17d863d4e7d55ec18c7178b6c3ec89b52a074fa37c4283c9659d645a15f86 [INFO] running `Command { std: "docker" "start" "-a" "8dd17d863d4e7d55ec18c7178b6c3ec89b52a074fa37c4283c9659d645a15f86", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling dining_philosophers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/sequential.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/semaphores.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `killswitch` [INFO] [stdout] --> src/semaphores.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_killswitch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random` [INFO] [stdout] --> src/semaphores.rs:9:64 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_random` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s [INFO] running `Command { std: "docker" "inspect" "8dd17d863d4e7d55ec18c7178b6c3ec89b52a074fa37c4283c9659d645a15f86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dd17d863d4e7d55ec18c7178b6c3ec89b52a074fa37c4283c9659d645a15f86", kill_on_drop: false }` [INFO] [stdout] 8dd17d863d4e7d55ec18c7178b6c3ec89b52a074fa37c4283c9659d645a15f86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b2b6f2c29209a5fd428eb56c97b082707bd2ad3fe14b11ac5e852b93fc8d802 [INFO] running `Command { std: "docker" "start" "-a" "6b2b6f2c29209a5fd428eb56c97b082707bd2ad3fe14b11ac5e852b93fc8d802", kill_on_drop: false }` [INFO] [stderr] Compiling dining_philosophers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/sequential.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx` [INFO] [stdout] --> src/semaphores.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `killswitch` [INFO] [stdout] --> src/semaphores.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_killswitch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random` [INFO] [stdout] --> src/semaphores.rs:9:64 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_random` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "6b2b6f2c29209a5fd428eb56c97b082707bd2ad3fe14b11ac5e852b93fc8d802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2b6f2c29209a5fd428eb56c97b082707bd2ad3fe14b11ac5e852b93fc8d802", kill_on_drop: false }` [INFO] [stdout] 6b2b6f2c29209a5fd428eb56c97b082707bd2ad3fe14b11ac5e852b93fc8d802 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 290e031cc7f7889290a2eab92161575eabc2aefc316999bdf01e6c5fb98386ff [INFO] running `Command { std: "docker" "start" "-a" "290e031cc7f7889290a2eab92161575eabc2aefc316999bdf01e6c5fb98386ff", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/sequential.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tx` [INFO] [stderr] --> src/semaphores.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_tx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `killswitch` [INFO] [stderr] --> src/semaphores.rs:9:35 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_killswitch` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random` [INFO] [stderr] --> src/semaphores.rs:9:64 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn main(tx: Sender, killswitch: Arc, random: bool) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_random` [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 0 tests [INFO] [stderr] warning: `dining_philosophers` (bin "dining_philosophers" test) generated 4 warnings (run `cargo fix --bin "dining_philosophers" -p dining_philosophers --tests` to apply 4 suggestions) [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dining_philosophers-6aa55407997effb1) [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "290e031cc7f7889290a2eab92161575eabc2aefc316999bdf01e6c5fb98386ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "290e031cc7f7889290a2eab92161575eabc2aefc316999bdf01e6c5fb98386ff", kill_on_drop: false }` [INFO] [stdout] 290e031cc7f7889290a2eab92161575eabc2aefc316999bdf01e6c5fb98386ff