[INFO] updating cached repository https://github.com/CharlesBean/SuperChat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df1e3d5f4444abfb814af1630fa800f5ec201eb3
[INFO] checking CharlesBean/SuperChat against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlesBean%2FSuperChat" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CharlesBean/SuperChat on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CharlesBean/SuperChat
[INFO] finished tweaking git repo https://github.com/CharlesBean/SuperChat
[INFO] tweaked toml for git repo https://github.com/CharlesBean/SuperChat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/CharlesBean/SuperChat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37bf0fcf3e1224bee0d3c39b5a155c478012e9f36e48f63df774c2cf1ad67a5b
[INFO] running `"docker" "start" "-a" "37bf0fcf3e1224bee0d3c39b5a155c478012e9f36e48f63df774c2cf1ad67a5b"`
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]     Checking mio v0.6.1 (https://github.com/carllerche/mio#c8312b71)
[INFO] [stderr]     Checking SuperChat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventLoop`
[INFO] [stderr]   --> src/main.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut event_loop = EventLoop::new().unwrap();
[INFO] [stderr]    |                          ^^^^^^^^^ use of undeclared type or module `EventLoop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::*`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mio::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `SuperChat`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventLoop`
[INFO] [stderr]   --> src/main.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut event_loop = EventLoop::new().unwrap();
[INFO] [stderr]    |                          ^^^^^^^^^ use of undeclared type or module `EventLoop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::*`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mio::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `SuperChat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "37bf0fcf3e1224bee0d3c39b5a155c478012e9f36e48f63df774c2cf1ad67a5b"`
[INFO] running `"docker" "rm" "-f" "37bf0fcf3e1224bee0d3c39b5a155c478012e9f36e48f63df774c2cf1ad67a5b"`
[INFO] [stdout] 37bf0fcf3e1224bee0d3c39b5a155c478012e9f36e48f63df774c2cf1ad67a5b