[INFO] crate serde_osc 0.4.2 is already in cache
[INFO] extracting crate serde_osc 0.4.2 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/serde_osc/0.4.2
[INFO] extracting crate serde_osc 0.4.2 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/serde_osc/0.4.2
[INFO] validating manifest of serde_osc-0.4.2 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_osc-0.4.2 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_osc-0.4.2
[INFO] finished frobbing serde_osc-0.4.2
[INFO] frobbed toml for serde_osc-0.4.2 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/serde_osc/0.4.2/Cargo.toml
[INFO] started frobbing serde_osc-0.4.2
[INFO] finished frobbing serde_osc-0.4.2
[INFO] frobbed toml for serde_osc-0.4.2 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/serde_osc/0.4.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serde_osc-0.4.2 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-5/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/serde_osc/0.4.2:/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 076492eeb962727d7299d3e9435a4c0492ac8770eefd2e46b48ef074e2daa7eb
[INFO] running `"docker" "start" "-a" "076492eeb962727d7299d3e9435a4c0492ac8770eefd2e46b48ef074e2daa7eb"`
[INFO] [stderr]     Checking serde_osc v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/de/bundle_visitor.rs:85:35
[INFO] [stderr]    |
[INFO] [stderr] 85 |             BundleField::Elements(mut read) =>
[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/de/bundle_visitor.rs:85:35
[INFO] [stderr]    |
[INFO] [stderr] 85 |             BundleField::Elements(mut read) =>
[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/ser/timetag_ser.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Some(mut part) => {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/timetag_ser.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Some(mut part) => {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/ser/tuple.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  |       /// Tuple we'll serialize
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 10 | /     let test_input = (
[INFO] [stderr] 11 | |         "/example/path".to_owned(),
[INFO] [stderr] 12 | |         (
[INFO] [stderr] 13 | |             0x01020304i32,
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |         )
[INFO] [stderr] 17 | |     );
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/ser/tuple.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |       /// Tuple we'll serialize
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 33 | /     let test_input = (
[INFO] [stderr] 34 | |         "/ts".to_owned(), ()
[INFO] [stderr] 35 | |     );
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `"docker" "inspect" "076492eeb962727d7299d3e9435a4c0492ac8770eefd2e46b48ef074e2daa7eb"`
[INFO] running `"docker" "rm" "-f" "076492eeb962727d7299d3e9435a4c0492ac8770eefd2e46b48ef074e2daa7eb"`
[INFO] [stdout] 076492eeb962727d7299d3e9435a4c0492ac8770eefd2e46b48ef074e2daa7eb