[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/15190c0bb159002116aff700c3438542213fbd8f against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjclmnop%2Fdining-philosophers-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jclmnop/dining-philosophers-rust on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a55c379acf1ef5451a0f94ae6cec918cc651dd11caa05942a37b3b8d52b3d903
[INFO] running `Command { std: "docker" "start" "-a" "a55c379acf1ef5451a0f94ae6cec918cc651dd11caa05942a37b3b8d52b3d903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a55c379acf1ef5451a0f94ae6cec918cc651dd11caa05942a37b3b8d52b3d903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55c379acf1ef5451a0f94ae6cec918cc651dd11caa05942a37b3b8d52b3d903", kill_on_drop: false }`
[INFO] [stdout] a55c379acf1ef5451a0f94ae6cec918cc651dd11caa05942a37b3b8d52b3d903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc282eb419a030b1e28c12e067991cc9dfaf4f155c269aede7ada078e40695a7
[INFO] running `Command { std: "docker" "start" "-a" "cc282eb419a030b1e28c12e067991cc9dfaf4f155c269aede7ada078e40695a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[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<StateMsg>, killswitch: Arc<AtomicBool>, 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<StateMsg>, killswitch: Arc<AtomicBool>, 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<StateMsg>, killswitch: Arc<AtomicBool>, 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 4.23s
[INFO] running `Command { std: "docker" "inspect" "cc282eb419a030b1e28c12e067991cc9dfaf4f155c269aede7ada078e40695a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc282eb419a030b1e28c12e067991cc9dfaf4f155c269aede7ada078e40695a7", kill_on_drop: false }`
[INFO] [stdout] cc282eb419a030b1e28c12e067991cc9dfaf4f155c269aede7ada078e40695a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f809529f154f0fefc80c9ba49162c4b8e74539c68b6da1245a17fd230bbdee6
[INFO] running `Command { std: "docker" "start" "-a" "3f809529f154f0fefc80c9ba49162c4b8e74539c68b6da1245a17fd230bbdee6", 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<StateMsg>, killswitch: Arc<AtomicBool>, 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<StateMsg>, killswitch: Arc<AtomicBool>, 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<StateMsg>, killswitch: Arc<AtomicBool>, 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "3f809529f154f0fefc80c9ba49162c4b8e74539c68b6da1245a17fd230bbdee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f809529f154f0fefc80c9ba49162c4b8e74539c68b6da1245a17fd230bbdee6", kill_on_drop: false }`
[INFO] [stdout] 3f809529f154f0fefc80c9ba49162c4b8e74539c68b6da1245a17fd230bbdee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c98ade595fb68262ca7e5cfe44af6d9f2fb7f10902d69ecdb91aff8ca614b3c4
[INFO] running `Command { std: "docker" "start" "-a" "c98ade595fb68262ca7e5cfe44af6d9f2fb7f10902d69ecdb91aff8ca614b3c4", 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<StateMsg>, killswitch: Arc<AtomicBool>, 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<StateMsg>, killswitch: Arc<AtomicBool>, 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<StateMsg>, killswitch: Arc<AtomicBool>, random: bool) {
[INFO] [stderr]   |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_random`
[INFO] [stderr] 
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dining_philosophers-6aa55407997effb1)
[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" "c98ade595fb68262ca7e5cfe44af6d9f2fb7f10902d69ecdb91aff8ca614b3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98ade595fb68262ca7e5cfe44af6d9f2fb7f10902d69ecdb91aff8ca614b3c4", kill_on_drop: false }`
[INFO] [stdout] c98ade595fb68262ca7e5cfe44af6d9f2fb7f10902d69ecdb91aff8ca614b3c4
