[INFO] cloning repository https://github.com/Course-Brains/abes_nice_things
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Course-Brains/abes_nice_things" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCourse-Brains%2Fabes_nice_things", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCourse-Brains%2Fabes_nice_things'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22c7085668e51845dc09259e1b710af7b1dc928b
[INFO] checking Course-Brains/abes_nice_things against master#818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc for pr-156114-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCourse-Brains%2Fabes_nice_things" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Course-Brains/abes_nice_things
[INFO] finished tweaking git repo https://github.com/Course-Brains/abes_nice_things
[INFO] tweaked toml for git repo https://github.com/Course-Brains/abes_nice_things written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Course-Brains/abes_nice_things on toolchain 818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Course-Brains/abes_nice_things 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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bins
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 620701142ae64f2fd51c2a5b96e4eedec524fb31593e7fd058aed7094c872d58
[INFO] running `Command { std: "docker" "start" "-a" "620701142ae64f2fd51c2a5b96e4eedec524fb31593e7fd058aed7094c872d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620701142ae64f2fd51c2a5b96e4eedec524fb31593e7fd058aed7094c872d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620701142ae64f2fd51c2a5b96e4eedec524fb31593e7fd058aed7094c872d58", kill_on_drop: false }`
[INFO] [stdout] 620701142ae64f2fd51c2a5b96e4eedec524fb31593e7fd058aed7094c872d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+818811b3cd1e0ff0d8ef20d5a4cf0b7c079929bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad884e112b8dd8bed04b39d4b61a2fc484b338931d183091d8d2257805b7de8e
[INFO] running `Command { std: "docker" "start" "-a" "ad884e112b8dd8bed04b39d4b61a2fc484b338931d183091d8d2257805b7de8e", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bins
[INFO] [stderr]     Checking abes_nice_things v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/random_test.rs:369:17
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 loop {}
[INFO] [stdout]     |                 ------- any code following this expression is unreachable
[INFO] [stdout] 369 |                 todo!()
[INFO] [stdout]     |                 ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BATCH_SIZE` is never used
[INFO] [stdout]   --> examples/random_test.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const BATCH_SIZE: usize = 1000000;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeat_finder` is never used
[INFO] [stdout]    --> examples/random_test.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn repeat_finder() -> Option<(u64, u64)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle_counter` is never used
[INFO] [stdout]    --> examples/random_test.rs:322:4
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn cycle_counter(initial: u64) -> Option<u64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ThreadAsync` is never used
[INFO] [stdout]    --> examples/random_test.rs:349:6
[INFO] [stdout]     |
[INFO] [stdout] 349 | enum ThreadAsync<T: Send + 'static> {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> examples/random_test.rs:354:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | impl<T: Clone + Send + 'static> ThreadAsync<T> {
[INFO] [stdout]     | ---------------------------------------------- associated items in this implementation
[INFO] [stdout] 354 |     fn new(handle: std::thread::JoinHandle<T>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     fn update(&mut self) -> Result<(), Box<dyn Any + Send + 'static>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 |     fn join(&mut self) -> Result<(), Box<dyn Any + Send + 'static>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 376 |     fn get_if_available(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 382 |     fn get_mut_if_available(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 388 |     fn poll(&mut self) -> Result<Option<&T>, Box<dyn Any + Send + 'static>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     fn poll_mut(&mut self) -> Result<Option<&mut T>, Box<dyn Any + Send + 'static>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |     fn get(&mut self) -> Result<&T, Box<dyn Any + Send + 'static>> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |     fn get_mut(&mut self) -> Result<&mut T, Box<dyn Any + Send + 'static>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "ad884e112b8dd8bed04b39d4b61a2fc484b338931d183091d8d2257805b7de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad884e112b8dd8bed04b39d4b61a2fc484b338931d183091d8d2257805b7de8e", kill_on_drop: false }`
[INFO] [stdout] ad884e112b8dd8bed04b39d4b61a2fc484b338931d183091d8d2257805b7de8e
