[INFO] crate embedded-executor 0.3.1 is already in cache
[INFO] extracting crate embedded-executor 0.3.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/embedded-executor/0.3.1
[INFO] extracting crate embedded-executor 0.3.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/embedded-executor/0.3.1
[INFO] validating manifest of embedded-executor-0.3.1 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 embedded-executor-0.3.1 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 embedded-executor-0.3.1
[INFO] finished frobbing embedded-executor-0.3.1
[INFO] frobbed toml for embedded-executor-0.3.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/embedded-executor/0.3.1/Cargo.toml
[INFO] started frobbing embedded-executor-0.3.1
[INFO] finished frobbing embedded-executor-0.3.1
[INFO] frobbed toml for embedded-executor-0.3.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/embedded-executor/0.3.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking embedded-executor-0.3.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/embedded-executor/0.3.1:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d010f8b1ac0f020396072003403aa8d8678e0f68cabab3fe8e7a5bc65410f94f
[INFO] running `"docker" "start" "-a" "d010f8b1ac0f020396072003403aa8d8678e0f68cabab3fe8e7a5bc65410f94f"`
[INFO] [stderr]     Checking alloc-facade v0.3.1
[INFO] [stderr]     Checking generational-arena v0.2.2
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking embedded-executor v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/alloc_executor.rs:188:35
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 match future.poll(waker) {
[INFO] [stderr]     |                                   ^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&mut std::task::Context<'_>`
[INFO] [stderr]                found type `&std::task::Waker`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new_unchecked` found for type `std::task::Waker` in the current scope
[INFO] [stderr]   --> src/wake.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |         unsafe { Waker::new_unchecked(self.into_raw_waker()) }
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ function or associated item not found in `std::task::Waker`
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `wake_by_ref` in initializer of `std::task::RawWakerVTable`
[INFO] [stderr]   --> src/wake.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 |         &RawWakerVTable {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ missing `wake_by_ref`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: Could not compile `embedded-executor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/alloc_executor.rs:188:35
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 match future.poll(waker) {
[INFO] [stderr]     |                                   ^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&mut std::task::Context<'_>`
[INFO] [stderr]                found type `&std::task::Waker`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new_unchecked` found for type `std::task::Waker` in the current scope
[INFO] [stderr]   --> src/wake.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |         unsafe { Waker::new_unchecked(self.into_raw_waker()) }
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ function or associated item not found in `std::task::Waker`
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `wake_by_ref` in initializer of `std::task::RawWakerVTable`
[INFO] [stderr]   --> src/wake.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 |         &RawWakerVTable {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ missing `wake_by_ref`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: Could not compile `embedded-executor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d010f8b1ac0f020396072003403aa8d8678e0f68cabab3fe8e7a5bc65410f94f"`
[INFO] running `"docker" "rm" "-f" "d010f8b1ac0f020396072003403aa8d8678e0f68cabab3fe8e7a5bc65410f94f"`
[INFO] [stdout] d010f8b1ac0f020396072003403aa8d8678e0f68cabab3fe8e7a5bc65410f94f