[INFO] crate sink-splitter 0.1.0 is already in cache [INFO] extracting crate sink-splitter 0.1.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/sink-splitter/0.1.0 [INFO] extracting crate sink-splitter 0.1.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/sink-splitter/0.1.0 [INFO] validating manifest of sink-splitter-0.1.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sink-splitter-0.1.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sink-splitter-0.1.0 [INFO] finished frobbing sink-splitter-0.1.0 [INFO] frobbed toml for sink-splitter-0.1.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/sink-splitter/0.1.0/Cargo.toml [INFO] started frobbing sink-splitter-0.1.0 [INFO] finished frobbing sink-splitter-0.1.0 [INFO] frobbed toml for sink-splitter-0.1.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/sink-splitter/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sink-splitter-0.1.0 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/sink-splitter/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 47d4dd6601b5c0d7418474c4765e3f7153342d8215cb9b0a9bff4ed03a5f7425 [INFO] running `"docker" "start" "-a" "47d4dd6601b5c0d7418474c4765e3f7153342d8215cb9b0a9bff4ed03a5f7425"` [INFO] [stderr] Checking error-test-sinks v0.1.1 [INFO] [stderr] Checking sink-splitter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:102:19 [INFO] [stderr] | [INFO] [stderr] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:133:19 [INFO] [stderr] | [INFO] [stderr] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `sink-splitter`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:102:19 [INFO] [stderr] | [INFO] [stderr] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:133:19 [INFO] [stderr] | [INFO] [stderr] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `sink-splitter`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "47d4dd6601b5c0d7418474c4765e3f7153342d8215cb9b0a9bff4ed03a5f7425"` [INFO] running `"docker" "rm" "-f" "47d4dd6601b5c0d7418474c4765e3f7153342d8215cb9b0a9bff4ed03a5f7425"` [INFO] [stdout] 47d4dd6601b5c0d7418474c4765e3f7153342d8215cb9b0a9bff4ed03a5f7425