[INFO] fetching crate crossbeam-channel 0.3.8...
[INFO] extracting crate crossbeam-channel 0.3.8 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/crossbeam-channel/0.3.8
[INFO] extracting crate crossbeam-channel 0.3.8 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/crossbeam-channel/0.3.8
[INFO] validating manifest of crossbeam-channel-0.3.8 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crossbeam-channel-0.3.8 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crossbeam-channel-0.3.8
[INFO] finished frobbing crossbeam-channel-0.3.8
[INFO] frobbed toml for crossbeam-channel-0.3.8 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/crossbeam-channel/0.3.8/Cargo.toml
[INFO] started frobbing crossbeam-channel-0.3.8
[INFO] finished frobbing crossbeam-channel-0.3.8
[INFO] frobbed toml for crossbeam-channel-0.3.8 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/crossbeam-channel/0.3.8/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking crossbeam-channel-0.3.8 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/crossbeam-channel/0.3.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6fd0718c44c528226b6f49b81089af44efaf0888bfc7be3f9236cd848d98ecf
[INFO] running `"docker" "start" "-a" "d6fd0718c44c528226b6f49b81089af44efaf0888bfc7be3f9236cd848d98ecf"`
[INFO] [stderr]     Checking crossbeam-channel v0.3.8 (/opt/crater/workdir)
[INFO] [stderr] error: unknown macro variable `t`
[INFO] [stderr]    --> src/select_macro.rs:581:55
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 crossbeam_channel_delegate!(stringify($t)),
[INFO] [stderr]     |                                                       ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/err.rs:186:32
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:320:32
[INFO] [stderr]     |
[INFO] [stderr] 320 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:390:32
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:432:32
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:448:32
[INFO] [stderr]     |
[INFO] [stderr] 448 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:175:22
[INFO] [stderr]     |
[INFO] [stderr] 175 |     handles: &mut [(&SelectHandle, usize, *const u8)],
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:224:55
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 if handle.register(Operation::hook::<&SelectHandle>(handle), cx) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:263:54
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 handle.unregister(Operation::hook::<&SelectHandle>(handle));
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:283:74
[INFO] [stderr]     |
[INFO] [stderr] 283 |                         if sel == Selected::Operation(Operation::hook::<&SelectHandle>(handle)) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:322:22
[INFO] [stderr]     |
[INFO] [stderr] 322 |     handles: &mut [(&SelectHandle, usize, *const u8)],
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:379:47
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 let oper = Operation::hook::<&SelectHandle>(handle);
[INFO] [stderr]     |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:417:51
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 handle.unwatch(Operation::hook::<&SelectHandle>(handle));
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:426:55
[INFO] [stderr]     |
[INFO] [stderr] 426 |                         let oper = Operation::hook::<&SelectHandle>(handle);
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:529:29
[INFO] [stderr]     |
[INFO] [stderr] 529 |     handles: SmallVec<[(&'a SelectHandle, usize, *const u8); 4]>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `t`
[INFO] [stderr]    --> src/select_macro.rs:581:55
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 crossbeam_channel_delegate!(stringify($t)),
[INFO] [stderr]     |                                                       ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/err.rs:186:32
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:320:32
[INFO] [stderr]     |
[INFO] [stderr] 320 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:390:32
[INFO] [stderr]     |
[INFO] [stderr] 390 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:432:32
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/err.rs:448:32
[INFO] [stderr]     |
[INFO] [stderr] 448 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:175:22
[INFO] [stderr]     |
[INFO] [stderr] 175 |     handles: &mut [(&SelectHandle, usize, *const u8)],
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:224:55
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 if handle.register(Operation::hook::<&SelectHandle>(handle), cx) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:263:54
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 handle.unregister(Operation::hook::<&SelectHandle>(handle));
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:283:74
[INFO] [stderr]     |
[INFO] [stderr] 283 |                         if sel == Selected::Operation(Operation::hook::<&SelectHandle>(handle)) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:322:22
[INFO] [stderr]     |
[INFO] [stderr] 322 |     handles: &mut [(&SelectHandle, usize, *const u8)],
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:379:47
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 let oper = Operation::hook::<&SelectHandle>(handle);
[INFO] [stderr]     |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:417:51
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 handle.unwatch(Operation::hook::<&SelectHandle>(handle));
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:426:55
[INFO] [stderr]     |
[INFO] [stderr] 426 |                         let oper = Operation::hook::<&SelectHandle>(handle);
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/select.rs:529:29
[INFO] [stderr]     |
[INFO] [stderr] 529 |     handles: SmallVec<[(&'a SelectHandle, usize, *const u8); 4]>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn SelectHandle`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `crossbeam-channel`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `crossbeam-channel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d6fd0718c44c528226b6f49b81089af44efaf0888bfc7be3f9236cd848d98ecf"`
[INFO] running `"docker" "rm" "-f" "d6fd0718c44c528226b6f49b81089af44efaf0888bfc7be3f9236cd848d98ecf"`
[INFO] [stdout] d6fd0718c44c528226b6f49b81089af44efaf0888bfc7be3f9236cd848d98ecf