[INFO] crate chainbuf 0.0.9 is already in cache
[INFO] extracting crate chainbuf 0.0.9 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/chainbuf/0.0.9
[INFO] extracting crate chainbuf 0.0.9 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/chainbuf/0.0.9
[INFO] validating manifest of chainbuf-0.0.9 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 chainbuf-0.0.9 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 chainbuf-0.0.9
[INFO] finished frobbing chainbuf-0.0.9
[INFO] frobbed toml for chainbuf-0.0.9 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/chainbuf/0.0.9/Cargo.toml
[INFO] started frobbing chainbuf-0.0.9
[INFO] finished frobbing chainbuf-0.0.9
[INFO] frobbed toml for chainbuf-0.0.9 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/chainbuf/0.0.9/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 chainbuf-0.0.9 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/chainbuf/0.0.9:/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] 0b2d72c7447c70837fd4863c46746e4eba85c1b667ab385fa2460b6b5bae7e28
[INFO] running `"docker" "start" "-a" "0b2d72c7447c70837fd4863c46746e4eba85c1b667ab385fa2460b6b5bae7e28"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chainbuf v0.0.9 (/opt/crater/workdir)
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1022:38
[INFO] [stderr]      |
[INFO] [stderr] 1022 |     fn as_immut<'a>(&'a self) -> &'a ImmutableDataHolder;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder`
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1027:16
[INFO] [stderr]      |
[INFO] [stderr] 1027 |     Mutable(Rc<MutableDataHolder + 'src>),
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutableDataHolder + 'src`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1028:18
[INFO] [stderr]      |
[INFO] [stderr] 1028 |     Immutable(Rc<ImmutableDataHolder + 'src>),
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder + 'src`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1033:45
[INFO] [stderr]      |
[INFO] [stderr] 1033 |     fn holder_mut(&mut self) -> Option<&mut MutableDataHolder> {
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutableDataHolder`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1047:26
[INFO] [stderr]      |
[INFO] [stderr] 1047 |     fn holder(&self) -> &ImmutableDataHolder {
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1120:38
[INFO] [stderr]      |
[INFO] [stderr] 1120 |     fn as_immut<'a>(&'a self) -> &'a ImmutableDataHolder {
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1022:38
[INFO] [stderr]      |
[INFO] [stderr] 1022 |     fn as_immut<'a>(&'a self) -> &'a ImmutableDataHolder;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder`
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1027:16
[INFO] [stderr]      |
[INFO] [stderr] 1027 |     Mutable(Rc<MutableDataHolder + 'src>),
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutableDataHolder + 'src`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1028:18
[INFO] [stderr]      |
[INFO] [stderr] 1028 |     Immutable(Rc<ImmutableDataHolder + 'src>),
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder + 'src`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1033:45
[INFO] [stderr]      |
[INFO] [stderr] 1033 |     fn holder_mut(&mut self) -> Option<&mut MutableDataHolder> {
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutableDataHolder`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1047:26
[INFO] [stderr]      |
[INFO] [stderr] 1047 |     fn holder(&self) -> &ImmutableDataHolder {
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/chainbuf.rs:1120:38
[INFO] [stderr]      |
[INFO] [stderr] 1120 |     fn as_immut<'a>(&'a self) -> &'a ImmutableDataHolder {
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ImmutableDataHolder`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chainbuf`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `chainbuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0b2d72c7447c70837fd4863c46746e4eba85c1b667ab385fa2460b6b5bae7e28"`
[INFO] running `"docker" "rm" "-f" "0b2d72c7447c70837fd4863c46746e4eba85c1b667ab385fa2460b6b5bae7e28"`
[INFO] [stdout] 0b2d72c7447c70837fd4863c46746e4eba85c1b667ab385fa2460b6b5bae7e28