Dec 18 11:23:03.107 INFO checking serde_osc-0.4.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:23:03.107 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/serde_osc/0.4.2:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:23:03.272 INFO [stdout] 2d7e90fcb30bab1123227ae09ac265bc25500e951a3e055477255e2d032800b1
Dec 18 11:23:03.274 INFO running `"docker" "start" "-a" "2d7e90fcb30bab1123227ae09ac265bc25500e951a3e055477255e2d032800b1"`
Dec 18 11:23:03.952 INFO [stderr]     Checking serde_osc v0.4.2 (/opt/crater/workdir)
Dec 18 11:23:04.824 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:23:04.824 INFO [stderr]   --> src/de/bundle_visitor.rs:85:35
Dec 18 11:23:04.824 INFO [stderr]    |
Dec 18 11:23:04.824 INFO [stderr] 85 |             BundleField::Elements(mut read) =>
Dec 18 11:23:04.824 INFO [stderr]    |                                   ----^^^^
Dec 18 11:23:04.824 INFO [stderr]    |                                   |
Dec 18 11:23:04.824 INFO [stderr]    |                                   help: remove this `mut`
Dec 18 11:23:04.824 INFO [stderr]    |
Dec 18 11:23:04.824 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 11:23:04.824 INFO [stderr] 
Dec 18 11:23:04.860 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:23:04.860 INFO [stderr]   --> src/de/bundle_visitor.rs:85:35
Dec 18 11:23:04.860 INFO [stderr]    |
Dec 18 11:23:04.860 INFO [stderr] 85 |             BundleField::Elements(mut read) =>
Dec 18 11:23:04.860 INFO [stderr]    |                                   ----^^^^
Dec 18 11:23:04.860 INFO [stderr]    |                                   |
Dec 18 11:23:04.860 INFO [stderr]    |                                   help: remove this `mut`
Dec 18 11:23:04.860 INFO [stderr]    |
Dec 18 11:23:04.860 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 11:23:04.860 INFO [stderr] 
Dec 18 11:23:04.900 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:23:04.900 INFO [stderr]   --> src/ser/timetag_ser.rs:46:18
Dec 18 11:23:04.900 INFO [stderr]    |
Dec 18 11:23:04.900 INFO [stderr] 46 |             Some(mut part) => {
Dec 18 11:23:04.900 INFO [stderr]    |                  ----^^^^
Dec 18 11:23:04.900 INFO [stderr]    |                  |
Dec 18 11:23:04.900 INFO [stderr]    |                  help: remove this `mut`
Dec 18 11:23:04.900 INFO [stderr] 
Dec 18 11:23:04.944 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:23:04.944 INFO [stderr]   --> src/ser/timetag_ser.rs:46:18
Dec 18 11:23:04.944 INFO [stderr]    |
Dec 18 11:23:04.944 INFO [stderr] 46 |             Some(mut part) => {
Dec 18 11:23:04.944 INFO [stderr]    |                  ----^^^^
Dec 18 11:23:04.944 INFO [stderr]    |                  |
Dec 18 11:23:04.944 INFO [stderr]    |                  help: remove this `mut`
Dec 18 11:23:04.944 INFO [stderr] 
Dec 18 11:23:05.351 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:23:05.351 INFO [stderr]  --> tests/ser/tuple.rs:9:5
Dec 18 11:23:05.351 INFO [stderr]   |
Dec 18 11:23:05.351 INFO [stderr] 9 |     /// Tuple we'll serialize
Dec 18 11:23:05.351 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:23:05.351 INFO [stderr]   |
Dec 18 11:23:05.352 INFO [stderr]   = note: #[warn(unused_doc_comments)] on by default
Dec 18 11:23:05.352 INFO [stderr] 
Dec 18 11:23:05.352 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 11:23:05.352 INFO [stderr]   --> tests/ser/tuple.rs:32:5
Dec 18 11:23:05.352 INFO [stderr]    |
Dec 18 11:23:05.352 INFO [stderr] 32 |     /// Tuple we'll serialize
Dec 18 11:23:05.352 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:23:05.352 INFO [stderr] 
Dec 18 11:23:05.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
Dec 18 11:23:06.016 INFO running `"docker" "inspect" "2d7e90fcb30bab1123227ae09ac265bc25500e951a3e055477255e2d032800b1"`
Dec 18 11:23:06.098 INFO running `"docker" "rm" "-f" "2d7e90fcb30bab1123227ae09ac265bc25500e951a3e055477255e2d032800b1"`
Dec 18 11:23:06.187 INFO [stdout] 2d7e90fcb30bab1123227ae09ac265bc25500e951a3e055477255e2d032800b1