[INFO] crate external_sort 0.1.1 is already in cache
[INFO] extracting crate external_sort 0.1.1 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/external_sort/0.1.1
[INFO] extracting crate external_sort 0.1.1 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/external_sort/0.1.1
[INFO] validating manifest of external_sort-0.1.1 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of external_sort-0.1.1 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing external_sort-0.1.1
[INFO] finished frobbing external_sort-0.1.1
[INFO] frobbed toml for external_sort-0.1.1 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/external_sort/0.1.1/Cargo.toml
[INFO] started frobbing external_sort-0.1.1
[INFO] finished frobbing external_sort-0.1.1
[INFO] frobbed toml for external_sort-0.1.1 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/external_sort/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking external_sort-0.1.1 against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/external_sort/0.1.1:/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 53c7d7a8520c0fb98635f405f610355ce3c6c3ed23fabad19c6fa509780bcd8b
[INFO] running `"docker" "start" "-a" "53c7d7a8520c0fb98635f405f610355ce3c6c3ed23fabad19c6fa509780bcd8b"`
[INFO] [stderr]     Checking external_sort v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/external_sort.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |     sort_by_fn: Box<FnMut(&T, &T) -> Ordering>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T, &T) -> Ordering`
[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/external_sort.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |     type Item = Result<T, 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/external_sort.rs:187:76
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn sort<I>(&self, unsorted: I) -> Result<ExtSortedIterator<T>, 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/external_sort.rs:201:94
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn sort_by<I, F>(&self, unsorted: I, compare: F) -> Result<ExtSortedIterator<T>, 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/external_sort.rs:268:81
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn write_chunk(&self, file: &PathBuf, chunk: &mut Vec<T>) -> 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/external_sort.rs:280:87
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn fill_buff<T>(vec: &mut VecDeque<T>, file: File, max_bytes: u64) -> Result<u64, 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/external_sort.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |     sort_by_fn: Box<FnMut(&T, &T) -> Ordering>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T, &T) -> Ordering`
[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/external_sort.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |     type Item = Result<T, 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/external_sort.rs:187:76
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn sort<I>(&self, unsorted: I) -> Result<ExtSortedIterator<T>, 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/external_sort.rs:201:94
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn sort_by<I, F>(&self, unsorted: I, compare: F) -> Result<ExtSortedIterator<T>, 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/external_sort.rs:268:81
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn write_chunk(&self, file: &PathBuf, chunk: &mut Vec<T>) -> 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/external_sort.rs:280:87
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn fill_buff<T>(vec: &mut VecDeque<T>, file: File, max_bytes: u64) -> Result<u64, Box<Error>>
[INFO] [stderr]     |                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "53c7d7a8520c0fb98635f405f610355ce3c6c3ed23fabad19c6fa509780bcd8b"`
[INFO] running `"docker" "rm" "-f" "53c7d7a8520c0fb98635f405f610355ce3c6c3ed23fabad19c6fa509780bcd8b"`
[INFO] [stdout] 53c7d7a8520c0fb98635f405f610355ce3c6c3ed23fabad19c6fa509780bcd8b