[INFO] crate tail-reader 3.0.0 is already in cache
[INFO] extracting crate tail-reader 3.0.0 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/tail-reader/3.0.0
[INFO] extracting crate tail-reader 3.0.0 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/tail-reader/3.0.0
[INFO] validating manifest of tail-reader-3.0.0 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 tail-reader-3.0.0 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 tail-reader-3.0.0
[INFO] finished frobbing tail-reader-3.0.0
[INFO] frobbed toml for tail-reader-3.0.0 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/tail-reader/3.0.0/Cargo.toml
[INFO] started frobbing tail-reader-3.0.0
[INFO] finished frobbing tail-reader-3.0.0
[INFO] frobbed toml for tail-reader-3.0.0 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/tail-reader/3.0.0/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 tail-reader-3.0.0 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/tail-reader/3.0.0:/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] 3dea0e7ee0e34a8d663ff1a1bfc47ee92ace70451d8a01698cfe5e8330237748
[INFO] running `"docker" "start" "-a" "3dea0e7ee0e34a8d663ff1a1bfc47ee92ace70451d8a01698cfe5e8330237748"`
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking tail-reader v3.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tail_reader.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn tail(self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `tail_info_map` should have an upper case name
[INFO] [stderr]    --> src/tail_reader.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         static ref tail_info_map: Arc<CHashMap<PathBuf,TailInfo>> = Arc::new(CHashMap::new());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `TAIL_INFO_MAP`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tail_reader.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn tail(self) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `tail_info_map` should have an upper case name
[INFO] [stderr]    --> src/tail_reader.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         static ref tail_info_map: Arc<CHashMap<PathBuf,TailInfo>> = Arc::new(CHashMap::new());
[INFO] [stderr]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `TAIL_INFO_MAP`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `"docker" "inspect" "3dea0e7ee0e34a8d663ff1a1bfc47ee92ace70451d8a01698cfe5e8330237748"`
[INFO] running `"docker" "rm" "-f" "3dea0e7ee0e34a8d663ff1a1bfc47ee92ace70451d8a01698cfe5e8330237748"`
[INFO] [stdout] 3dea0e7ee0e34a8d663ff1a1bfc47ee92ace70451d8a01698cfe5e8330237748