[INFO] cloning repository https://github.com/mediocreeee/rustserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mediocreeee/rustserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmediocreeee%2Frustserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmediocreeee%2Frustserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dce4e6fe6de1f5587c43e26792e6e6787409ae7
[INFO] checking mediocreeee/rustserver against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmediocreeee%2Frustserver" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mediocreeee/rustserver on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mediocreeee/rustserver
[INFO] finished tweaking git repo https://github.com/mediocreeee/rustserver
[INFO] tweaked toml for git repo https://github.com/mediocreeee/rustserver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mediocreeee/rustserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16a33c3a19194519a0745d357d08ba8611bd2f0a029d632ae5d94f5958e9787
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c16a33c3a19194519a0745d357d08ba8611bd2f0a029d632ae5d94f5958e9787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16a33c3a19194519a0745d357d08ba8611bd2f0a029d632ae5d94f5958e9787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16a33c3a19194519a0745d357d08ba8611bd2f0a029d632ae5d94f5958e9787", kill_on_drop: false }`
[INFO] [stdout] c16a33c3a19194519a0745d357d08ba8611bd2f0a029d632ae5d94f5958e9787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3f5a683819489b2b70cd14dd162a83e5889cae606e095090574093a363982ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d3f5a683819489b2b70cd14dd162a83e5889cae606e095090574093a363982ca", kill_on_drop: false }`
[INFO] [stderr]     Checking rustserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `thread`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         thread::sleep(Duration::from_secs(5));
[INFO] [stdout]    |         ^^^^^^ use of undeclared crate or module `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ThreadPool`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pool = ThreadPool::new(4);
[INFO] [stdout]   |                ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustserver::ThreadPool;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `thread`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         thread::sleep(Duration::from_secs(5));
[INFO] [stdout]    |         ^^^^^^ use of undeclared crate or module `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ThreadPool`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let pool = ThreadPool::new(4);
[INFO] [stdout]   |                ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustserver::ThreadPool;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustserver`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d3f5a683819489b2b70cd14dd162a83e5889cae606e095090574093a363982ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f5a683819489b2b70cd14dd162a83e5889cae606e095090574093a363982ca", kill_on_drop: false }`
[INFO] [stdout] d3f5a683819489b2b70cd14dd162a83e5889cae606e095090574093a363982ca