[INFO] crate ipc-channel 0.12.0 is already in cache
[INFO] extracting crate ipc-channel 0.12.0 into work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/ipc-channel/0.12.0
[INFO] extracting crate ipc-channel 0.12.0 into work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/ipc-channel/0.12.0
[INFO] validating manifest of ipc-channel-0.12.0 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ipc-channel-0.12.0 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ipc-channel-0.12.0
[INFO] finished frobbing ipc-channel-0.12.0
[INFO] frobbed toml for ipc-channel-0.12.0 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/ipc-channel/0.12.0/Cargo.toml
[INFO] started frobbing ipc-channel-0.12.0
[INFO] finished frobbing ipc-channel-0.12.0
[INFO] frobbed toml for ipc-channel-0.12.0 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/ipc-channel/0.12.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking ipc-channel-0.12.0 against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-1/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/ipc-channel/0.12.0:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06064931ff3a335fd1f105bb2487bf4ab06c2d653f6972931608400f5065e068
[INFO] running `"docker" "start" "-a" "06064931ff3a335fd1f105bb2487bf4ab06c2d653f6972931608400f5065e068"`
[INFO] [stderr]     Checking ipc-channel v0.12.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/router.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub type RouterHandler = Box<FnMut(OpaqueIpcMessage) + Send>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(OpaqueIpcMessage) + Send`
[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/router.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub type RouterHandler = Box<FnMut(OpaqueIpcMessage) + Send>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(OpaqueIpcMessage) + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `std::ops::FnMut` trait object that must be used
[INFO] [stderr]    --> src/router.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                         self.handlers.remove(&id).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] error: cannot import a built-in macro
[INFO] [stderr]   --> benches/bench.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use test;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot import a built-in macro
[INFO] [stderr]    --> benches/bench.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |     use test;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot import a built-in macro
[INFO] [stderr]    --> benches/bench.rs:272:13
[INFO] [stderr]     |
[INFO] [stderr] 272 |         use test;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ipc-channel`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused boxed `std::ops::FnMut` trait object that must be used
[INFO] [stderr]    --> src/router.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                         self.handlers.remove(&id).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "06064931ff3a335fd1f105bb2487bf4ab06c2d653f6972931608400f5065e068"`
[INFO] running `"docker" "rm" "-f" "06064931ff3a335fd1f105bb2487bf4ab06c2d653f6972931608400f5065e068"`
[INFO] [stdout] 06064931ff3a335fd1f105bb2487bf4ab06c2d653f6972931608400f5065e068