[INFO] crate stl_io 0.4.2 is already in cache
[INFO] extracting crate stl_io 0.4.2 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/stl_io/0.4.2
[INFO] extracting crate stl_io 0.4.2 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/stl_io/0.4.2
[INFO] validating manifest of stl_io-0.4.2 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stl_io-0.4.2 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stl_io-0.4.2
[INFO] finished frobbing stl_io-0.4.2
[INFO] frobbed toml for stl_io-0.4.2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/stl_io/0.4.2/Cargo.toml
[INFO] started frobbing stl_io-0.4.2
[INFO] finished frobbing stl_io-0.4.2
[INFO] frobbed toml for stl_io-0.4.2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/stl_io/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stl_io-0.4.2 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/stl_io/0.4.2:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 787b809c613b97fc939cc24f6ae241d6934d09c9fb4118b0b45e628b72da7e2b
[INFO] running `"docker" "start" "-a" "787b809c613b97fc939cc24f6ae241d6934d09c9fb4118b0b45e628b72da7e2b"`
[INFO] [stderr]     Checking stl_io v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 | ) -> Result<Box<TriangleIterator<Item = Result<Triangle>> + 'a>>
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>> + 'a`
[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:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |     reader: Box<::std::io::Read + 'a>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::io::Read + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |         read: &'a mut ::std::io::Read,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Read)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:232:21
[INFO] [stderr]     |
[INFO] [stderr] 232 |     ) -> Result<Box<TriangleIterator<Item = Result<Triangle>> + 'a>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |         }) as Box<TriangleIterator<Item = Result<Triangle>>>)
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:329:16
[INFO] [stderr]     |
[INFO] [stderr] 329 |     lines: Box<::std::iter::Iterator<Item = Result<Vec<String>>> + 'a>,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::iter::Iterator<Item = Result<Vec<String>>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:365:23
[INFO] [stderr]     |
[INFO] [stderr] 365 |         read: &'a mut ::std::io::Read,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Read)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |     ) -> Result<Box<TriangleIterator<Item = Result<Triangle>> + 'a>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:397:19
[INFO] [stderr]     |
[INFO] [stderr] 397 |         }) as Box<TriangleIterator<Item = Result<Triangle>>>)
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 | ) -> Result<Box<TriangleIterator<Item = Result<Triangle>> + 'a>>
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>> + 'a`
[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:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |     reader: Box<::std::io::Read + 'a>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::io::Read + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:23
[INFO] [stderr]     |
[INFO] [stderr] 231 |         read: &'a mut ::std::io::Read,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Read)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:232:21
[INFO] [stderr]     |
[INFO] [stderr] 232 |     ) -> Result<Box<TriangleIterator<Item = Result<Triangle>> + 'a>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |         }) as Box<TriangleIterator<Item = Result<Triangle>>>)
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:329:16
[INFO] [stderr]     |
[INFO] [stderr] 329 |     lines: Box<::std::iter::Iterator<Item = Result<Vec<String>>> + 'a>,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::iter::Iterator<Item = Result<Vec<String>>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:365:23
[INFO] [stderr]     |
[INFO] [stderr] 365 |         read: &'a mut ::std::io::Read,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Read)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |     ) -> Result<Box<TriangleIterator<Item = Result<Triangle>> + 'a>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:397:19
[INFO] [stderr]     |
[INFO] [stderr] 397 |         }) as Box<TriangleIterator<Item = Result<Triangle>>>)
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TriangleIterator<Item = Result<Triangle>>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "787b809c613b97fc939cc24f6ae241d6934d09c9fb4118b0b45e628b72da7e2b"`
[INFO] running `"docker" "rm" "-f" "787b809c613b97fc939cc24f6ae241d6934d09c9fb4118b0b45e628b72da7e2b"`
[INFO] [stdout] 787b809c613b97fc939cc24f6ae241d6934d09c9fb4118b0b45e628b72da7e2b