[INFO] crate file_logger 0.1.0 is already in cache [INFO] extracting crate file_logger 0.1.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/file_logger/0.1.0 [INFO] extracting crate file_logger 0.1.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/file_logger/0.1.0 [INFO] validating manifest of file_logger-0.1.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of file_logger-0.1.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing file_logger-0.1.0 [INFO] finished frobbing file_logger-0.1.0 [INFO] frobbed toml for file_logger-0.1.0 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/file_logger/0.1.0/Cargo.toml [INFO] started frobbing file_logger-0.1.0 [INFO] finished frobbing file_logger-0.1.0 [INFO] frobbed toml for file_logger-0.1.0 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/file_logger/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking file_logger-0.1.0 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-5/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/file_logger/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4fa1a1a6f98258b0bfca0dcbcebdcf6ff1b5acae0b13988efff3959354b6edbd [INFO] running `"docker" "start" "-a" "4fa1a1a6f98258b0bfca0dcbcebdcf6ff1b5acae0b13988efff3959354b6edbd"` [INFO] [stderr] Checking file_logger v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/format.rs:71:40 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn format(&self, mut w: &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{ [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: variable does not need to be mutable [INFO] [stderr] --> src/format.rs:71:40 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn format(&self, mut w: &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{ [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: unused import: `OnError` [INFO] [stderr] --> src/main.rs:6:40 [INFO] [stderr] | [INFO] [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `regex` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let regex = Regex::new("test").unwrap(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_regex` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `OnError` [INFO] [stderr] --> src/main.rs:6:40 [INFO] [stderr] | [INFO] [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `regex` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let regex = Regex::new("test").unwrap(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_regex` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `"docker" "inspect" "4fa1a1a6f98258b0bfca0dcbcebdcf6ff1b5acae0b13988efff3959354b6edbd"` [INFO] running `"docker" "rm" "-f" "4fa1a1a6f98258b0bfca0dcbcebdcf6ff1b5acae0b13988efff3959354b6edbd"` [INFO] [stdout] 4fa1a1a6f98258b0bfca0dcbcebdcf6ff1b5acae0b13988efff3959354b6edbd