[INFO] crate taildir 0.2.0 is already in cache
[INFO] extracting crate taildir 0.2.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/taildir/0.2.0
[INFO] extracting crate taildir 0.2.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/taildir/0.2.0
[INFO] validating manifest of taildir-0.2.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of taildir-0.2.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing taildir-0.2.0
[INFO] finished frobbing taildir-0.2.0
[INFO] frobbed toml for taildir-0.2.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/taildir/0.2.0/Cargo.toml
[INFO] started frobbing taildir-0.2.0
[INFO] finished frobbing taildir-0.2.0
[INFO] frobbed toml for taildir-0.2.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/taildir/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking taildir-0.2.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/taildir/0.2.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d92a2585b396b4bccb81975f636d4147367111fcb2189cdd471ac91890e85a64
[INFO] running `"docker" "start" "-a" "d92a2585b396b4bccb81975f636d4147367111fcb2189cdd471ac91890e85a64"`
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking taildir v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | type BoxError = 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 | type FileFilter = Rc<Fn(&str) -> bool>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 | type LineFilter = Rc<Fn(&str) -> bool>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:83
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn watch_dir<F: ?Sized>(option: &WatchOption, callback: &F) -> Result<(), Box<Error>>
[INFO] [stderr]    |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:130:76
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box<Error>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | type BoxError = 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 | type FileFilter = Rc<Fn(&str) -> bool>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 | type LineFilter = Rc<Fn(&str) -> bool>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:83
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn watch_dir<F: ?Sized>(option: &WatchOption, callback: &F) -> Result<(), Box<Error>>
[INFO] [stderr]    |                                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:130:76
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn register_dir(dir: &str, filter: &FileFilter) -> Result<(HandleMap), Box<Error>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "d92a2585b396b4bccb81975f636d4147367111fcb2189cdd471ac91890e85a64"`
[INFO] running `"docker" "rm" "-f" "d92a2585b396b4bccb81975f636d4147367111fcb2189cdd471ac91890e85a64"`
[INFO] [stdout] d92a2585b396b4bccb81975f636d4147367111fcb2189cdd471ac91890e85a64