[INFO] crate boxxy 0.10.1 is already in cache
[INFO] extracting crate boxxy 0.10.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/boxxy/0.10.1
[INFO] extracting crate boxxy 0.10.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/boxxy/0.10.1
[INFO] validating manifest of boxxy-0.10.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of boxxy-0.10.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing boxxy-0.10.1
[INFO] finished frobbing boxxy-0.10.1
[INFO] frobbed toml for boxxy-0.10.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/boxxy/0.10.1/Cargo.toml
[INFO] started frobbing boxxy-0.10.1
[INFO] finished frobbing boxxy-0.10.1
[INFO] frobbed toml for boxxy-0.10.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/boxxy/0.10.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking boxxy-0.10.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/boxxy/0.10.1:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 604b07462ec7f0feec886dd718a4377305271fef76e36a2eea82ec36dec9a783
[INFO] running `"docker" "start" "-a" "604b07462ec7f0feec886dd718a4377305271fef76e36a2eea82ec36dec9a783"`
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking boxxy v0.10.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ctrl.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     RWPair(BufStream<RW<Box<R>, Box<W>>>),
[INFO] [stderr]    |                             ^ help: use `dyn`: `dyn R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ctrl.rs:98:37
[INFO] [stderr]    |
[INFO] [stderr] 98 |     RWPair(BufStream<RW<Box<R>, Box<W>>>),
[INFO] [stderr]    |                                     ^ help: use `dyn`: `dyn W`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctrl.rs:138:31
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn rw_pair(input: Box<R>, output: Box<W>) -> Interface {
[INFO] [stderr]     |                               ^ help: use `dyn`: `dyn R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctrl.rs:138:47
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn rw_pair(input: Box<R>, output: Box<W>) -> Interface {
[INFO] [stderr]     |                                               ^ help: use `dyn`: `dyn W`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ctrl.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     RWPair(BufStream<RW<Box<R>, Box<W>>>),
[INFO] [stderr]    |                             ^ help: use `dyn`: `dyn R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ctrl.rs:98:37
[INFO] [stderr]    |
[INFO] [stderr] 98 |     RWPair(BufStream<RW<Box<R>, Box<W>>>),
[INFO] [stderr]    |                                     ^ help: use `dyn`: `dyn W`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctrl.rs:138:31
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn rw_pair(input: Box<R>, output: Box<W>) -> Interface {
[INFO] [stderr]     |                               ^ help: use `dyn`: `dyn R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ctrl.rs:138:47
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn rw_pair(input: Box<R>, output: Box<W>) -> Interface {
[INFO] [stderr]     |                                               ^ help: use `dyn`: `dyn W`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `"docker" "inspect" "604b07462ec7f0feec886dd718a4377305271fef76e36a2eea82ec36dec9a783"`
[INFO] running `"docker" "rm" "-f" "604b07462ec7f0feec886dd718a4377305271fef76e36a2eea82ec36dec9a783"`
[INFO] [stdout] 604b07462ec7f0feec886dd718a4377305271fef76e36a2eea82ec36dec9a783