[INFO] crate ucd-generate 0.2.1 is already in cache
[INFO] extracting crate ucd-generate 0.2.1 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/ucd-generate/0.2.1
[INFO] extracting crate ucd-generate 0.2.1 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/ucd-generate/0.2.1
[INFO] validating manifest of ucd-generate-0.2.1 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ucd-generate-0.2.1 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ucd-generate-0.2.1
[INFO] finished frobbing ucd-generate-0.2.1
[INFO] frobbed toml for ucd-generate-0.2.1 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/ucd-generate/0.2.1/Cargo.toml
[INFO] started frobbing ucd-generate-0.2.1
[INFO] finished frobbing ucd-generate-0.2.1
[INFO] frobbed toml for ucd-generate-0.2.1 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/ucd-generate/0.2.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ucd-generate-0.2.1 against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-5/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/ucd-generate/0.2.1:/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9dcb279dbe7d53e45faf84fb7584bc8a4b11a699facaa7793b8bc5b264afa325
[INFO] running `"docker" "start" "-a" "9dcb279dbe7d53e45faf84fb7584bc8a4b11a699facaa7793b8bc5b264afa325"`
[INFO] [stderr]     Checking regex-automata v0.1.6
[INFO] [stderr]     Checking ucd-parse v0.1.3
[INFO] [stderr]     Checking ucd-generate v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:117:25
[INFO] [stderr]     |
[INFO] [stderr] 117 |     wtr: LineWriter<Box<io::Write + 'static>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/writer.rs:117:25
[INFO] [stderr]     |
[INFO] [stderr] 117 |     wtr: LineWriter<Box<io::Write + 'static>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/util.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut inner_map = outer_map
[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/util.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut inner_map = outer_map
[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/general_category.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let mut set = sets.entry(name).or_insert(BTreeSet::new());
[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/general_category.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let mut set = sets.entry(name).or_insert(BTreeSet::new());
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `"docker" "inspect" "9dcb279dbe7d53e45faf84fb7584bc8a4b11a699facaa7793b8bc5b264afa325"`
[INFO] running `"docker" "rm" "-f" "9dcb279dbe7d53e45faf84fb7584bc8a4b11a699facaa7793b8bc5b264afa325"`
[INFO] [stdout] 9dcb279dbe7d53e45faf84fb7584bc8a4b11a699facaa7793b8bc5b264afa325