[INFO] fetching crate embedded-executor 0.3.1...
[INFO] checking embedded-executor-0.3.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate embedded-executor 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate embedded-executor 0.3.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-executor 0.3.1
[INFO] finished tweaking crates.io crate embedded-executor 0.3.1
[INFO] tweaked toml for crates.io crate embedded-executor 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f141bc14b55422d4d3a59307c53613a9738fbc7a2c84376b2ef53f41c1c20611
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f141bc14b55422d4d3a59307c53613a9738fbc7a2c84376b2ef53f41c1c20611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f141bc14b55422d4d3a59307c53613a9738fbc7a2c84376b2ef53f41c1c20611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f141bc14b55422d4d3a59307c53613a9738fbc7a2c84376b2ef53f41c1c20611", kill_on_drop: false }`
[INFO] [stdout] f141bc14b55422d4d3a59307c53613a9738fbc7a2c84376b2ef53f41c1c20611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82f38da7ca7a123eb555f349feabc70ee65c7548c75a7ec4eacafb0ef2f1279
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b82f38da7ca7a123eb555f349feabc70ee65c7548c75a7ec4eacafb0ef2f1279", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking alloc-facade v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking embedded-executor v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/alloc_executor.rs:188:35
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 match future.poll(waker) {
[INFO] [stdout]     |                                   ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut std::task::Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_unchecked` found for struct `std::task::Waker` in the current scope
[INFO] [stdout]   --> src/wake.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |         unsafe { Waker::new_unchecked(self.into_raw_waker()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^ function or associated item not found in `std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `wake_by_ref` in initializer of `std::task::RawWakerVTable`
[INFO] [stdout]   --> src/wake.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &RawWakerVTable {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ missing `wake_by_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-executor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/alloc_executor.rs:188:35
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 match future.poll(waker) {
[INFO] [stdout]     |                                   ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut std::task::Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_unchecked` found for struct `std::task::Waker` in the current scope
[INFO] [stdout]   --> src/wake.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |         unsafe { Waker::new_unchecked(self.into_raw_waker()) }
[INFO] [stdout]    |                         ^^^^^^^^^^^^^ function or associated item not found in `std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `wake_by_ref` in initializer of `std::task::RawWakerVTable`
[INFO] [stdout]   --> src/wake.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &RawWakerVTable {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^ missing `wake_by_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b82f38da7ca7a123eb555f349feabc70ee65c7548c75a7ec4eacafb0ef2f1279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82f38da7ca7a123eb555f349feabc70ee65c7548c75a7ec4eacafb0ef2f1279", kill_on_drop: false }`
[INFO] [stdout] b82f38da7ca7a123eb555f349feabc70ee65c7548c75a7ec4eacafb0ef2f1279