[INFO] fetching crate waker-waiter 0.3.0...
[INFO] testing waker-waiter-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate waker-waiter 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate waker-waiter 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate waker-waiter 0.3.0
[INFO] tweaked toml for crates.io crate waker-waiter 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waker-waiter 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waker-waiter 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.5
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] [stderr]   Downloaded termcolor v1.3.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded mio v0.8.9
[INFO] [stderr]   Downloaded tokio v1.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4644130981eb3ba3266d10196eac3b650584c6cb55791edc70e3e1967978ec61
[INFO] running `Command { std: "docker" "start" "-a" "4644130981eb3ba3266d10196eac3b650584c6cb55791edc70e3e1967978ec61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4644130981eb3ba3266d10196eac3b650584c6cb55791edc70e3e1967978ec61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4644130981eb3ba3266d10196eac3b650584c6cb55791edc70e3e1967978ec61", kill_on_drop: false }`
[INFO] [stdout] 4644130981eb3ba3266d10196eac3b650584c6cb55791edc70e3e1967978ec61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94fc19911e3a9806e91118f33f225ce9c40ca3a12998718db0ccb949812a3e85
[INFO] running `Command { std: "docker" "start" "-a" "94fc19911e3a9806e91118f33f225ce9c40ca3a12998718db0ccb949812a3e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling waker-waiter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:189:1
[INFO] [stdout]     |
[INFO] [stdout] 189 | #![feature(local_waker)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:190:1
[INFO] [stdout]     |
[INFO] [stdout] 190 | #![feature(context_ext)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:580:40
[INFO] [stdout]     |
[INFO] [stdout] 580 | unsafe impl DynWithStaticInterface for (dyn TopLevelPoller + '_) {
[INFO] [stdout]     |                                        ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 580 - unsafe impl DynWithStaticInterface for (dyn TopLevelPoller + '_) {
[INFO] [stdout] 580 + unsafe impl DynWithStaticInterface for dyn TopLevelPoller + '_ {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0477]: the type `dyn TopLevelPoller` does not fulfill the required lifetime
[INFO] [stdout]    --> src/lib.rs:582:24
[INFO] [stdout]     |
[INFO] [stdout] 521 |         type Clamped<'a>: ?Sized
[INFO] [stdout]     |         ------------------------ definition of `Clamped` from trait
[INFO] [stdout] ...
[INFO] [stdout] 582 |     type Clamped<'a> = dyn TopLevelPoller + 'a;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: type must outlive the lifetime `'a` as defined here
[INFO] [stdout]    --> src/lib.rs:582:18
[INFO] [stdout]     |
[INFO] [stdout] 582 |     type Clamped<'a> = dyn TopLevelPoller + 'a;
[INFO] [stdout]     |                  ^^
[INFO] [stdout] help: copy the `where` clause predicates from the trait
[INFO] [stdout]     |
[INFO] [stdout] 582 |     type Clamped<'a> = dyn TopLevelPoller + 'a where Self: 'a;
[INFO] [stdout]     |                                                ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0477, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0477`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `waker-waiter` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "94fc19911e3a9806e91118f33f225ce9c40ca3a12998718db0ccb949812a3e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fc19911e3a9806e91118f33f225ce9c40ca3a12998718db0ccb949812a3e85", kill_on_drop: false }`
[INFO] [stdout] 94fc19911e3a9806e91118f33f225ce9c40ca3a12998718db0ccb949812a3e85