[INFO] cloning repository https://github.com/konstantinos-matsoukas/grrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/konstantinos-matsoukas/grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonstantinos-matsoukas%2Fgrrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonstantinos-matsoukas%2Fgrrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f83c8046fd108f74dcf8cbf650625651c49093
[INFO] checking konstantinos-matsoukas/grrs against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkonstantinos-matsoukas%2Fgrrs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/konstantinos-matsoukas/grrs
[INFO] finished tweaking git repo https://github.com/konstantinos-matsoukas/grrs
[INFO] tweaked toml for git repo https://github.com/konstantinos-matsoukas/grrs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/konstantinos-matsoukas/grrs on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/konstantinos-matsoukas/grrs 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8091303f3505db37b6d91dd9cdac08e30463660cbb3879adb862532ee5bff040
[INFO] running `Command { std: "docker" "start" "-a" "8091303f3505db37b6d91dd9cdac08e30463660cbb3879adb862532ee5bff040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8091303f3505db37b6d91dd9cdac08e30463660cbb3879adb862532ee5bff040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8091303f3505db37b6d91dd9cdac08e30463660cbb3879adb862532ee5bff040", kill_on_drop: false }`
[INFO] [stdout] 8091303f3505db37b6d91dd9cdac08e30463660cbb3879adb862532ee5bff040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f9a31a96c079e39a8a137e66719dd67bc468b34ed194581e2ef68905674226
[INFO] running `Command { std: "docker" "start" "-a" "c9f9a31a96c079e39a8a137e66719dd67bc468b34ed194581e2ef68905674226", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_channel`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{bounded, tick, Receiver, select};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam_channel`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `crossbeam_channel`, use `cargo add crossbeam_channel` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crossbeam_channel`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{bounded, tick, Receiver, select};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam_channel`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `crossbeam_channel`, use `cargo add crossbeam_channel` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ctrlc::set_handler(move || {
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ctrlc`, use `cargo add ctrlc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ctrlc::set_handler(move || {
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ctrlc`, use `cargo add ctrlc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         select! {
[INFO] [stdout] 20 | |             recv(ticks) -> _ => {
[INFO] [stdout] 21 | |                 println!("working!");
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 30 |
[INFO] [stdout] 31 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         select! {
[INFO] [stdout] 20 | |             recv(ticks) -> _ => {
[INFO] [stdout] 21 | |                 println!("working!");
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 30 |
[INFO] [stdout] 31 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]  --> src/main.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn ctrl_channel() -> Result<Receiver<()>, ctrlc::Error> {
[INFO] [stdout]   |                                           ^^^^^ use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ctrlc`, use `cargo add ctrlc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]  --> src/main.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn ctrl_channel() -> Result<Receiver<()>, ctrlc::Error> {
[INFO] [stdout]   |                                           ^^^^^ use of unresolved module or unlinked crate `ctrlc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ctrlc`, use `cargo add ctrlc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grrs` (bin "grrs" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `grrs` (bin "grrs") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c9f9a31a96c079e39a8a137e66719dd67bc468b34ed194581e2ef68905674226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f9a31a96c079e39a8a137e66719dd67bc468b34ed194581e2ef68905674226", kill_on_drop: false }`
[INFO] [stdout] c9f9a31a96c079e39a8a137e66719dd67bc468b34ed194581e2ef68905674226