[INFO] updating cached repository annafil/rustbridge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/annafil/rustbridge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/annafil/rustbridge" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/annafil/rustbridge"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/annafil/rustbridge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/annafil/rustbridge" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/annafil/rustbridge"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/annafil/rustbridge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87a16e9a815a4a35a35ad1d9b0f4111ef37104c4
[INFO] sha for GitHub repo annafil/rustbridge: 87a16e9a815a4a35a35ad1d9b0f4111ef37104c4
[INFO] validating manifest of annafil/rustbridge on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of annafil/rustbridge on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing annafil/rustbridge
[INFO] finished frobbing annafil/rustbridge
[INFO] frobbed toml for annafil/rustbridge written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/annafil/rustbridge/Cargo.toml
[INFO] started frobbing annafil/rustbridge
[INFO] finished frobbing annafil/rustbridge
[INFO] frobbed toml for annafil/rustbridge written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/annafil/rustbridge/Cargo.toml
[INFO] crate annafil/rustbridge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking annafil/rustbridge against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-0/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/annafil/rustbridge:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1f89de3f844b1f7c64efc5c9ccd20ea4dec598e02bf9e3242f50cd9cf5ef52ff
[INFO] running `"docker" "start" "-a" "1f89de3f844b1f7c64efc5c9ccd20ea4dec598e02bf9e3242f50cd9cf5ef52ff"`
[INFO] [stderr]     Checking rustbridge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:235:6
[INFO] [stderr]     |
[INFO] [stderr] 235 |     let mut v = vec![1, 2, 3];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stderr]    --> src/main.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |         Red,
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Green`
[INFO] [stderr]    --> src/main.rs:102:3
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Green,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SinglePlayer`
[INFO] [stderr]    --> src/main.rs:116:6
[INFO] [stderr]     |
[INFO] [stderr] 116 |         SinglePlayer,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:235:6
[INFO] [stderr]     |
[INFO] [stderr] 235 |     let mut v = vec![1, 2, 3];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stderr]    --> src/main.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |         Red,
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Green`
[INFO] [stderr]    --> src/main.rs:102:3
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Green,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SinglePlayer`
[INFO] [stderr]    --> src/main.rs:116:6
[INFO] [stderr]     |
[INFO] [stderr] 116 |         SinglePlayer,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "1f89de3f844b1f7c64efc5c9ccd20ea4dec598e02bf9e3242f50cd9cf5ef52ff"`
[INFO] running `"docker" "rm" "-f" "1f89de3f844b1f7c64efc5c9ccd20ea4dec598e02bf9e3242f50cd9cf5ef52ff"`
[INFO] [stdout] 1f89de3f844b1f7c64efc5c9ccd20ea4dec598e02bf9e3242f50cd9cf5ef52ff