[INFO] fetching crate alligator 0.1.0...
[INFO] testing alligator-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate alligator 0.1.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate alligator 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alligator 0.1.0
[INFO] finished tweaking crates.io crate alligator 0.1.0
[INFO] tweaked toml for crates.io crate alligator 0.1.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86f558b5feb3cb3e79417329d832625b9b6646e9ea610d3fea3abacf6f0cd5cc
[INFO] running `Command { std: "docker" "start" "-a" "86f558b5feb3cb3e79417329d832625b9b6646e9ea610d3fea3abacf6f0cd5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f558b5feb3cb3e79417329d832625b9b6646e9ea610d3fea3abacf6f0cd5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f558b5feb3cb3e79417329d832625b9b6646e9ea610d3fea3abacf6f0cd5cc", kill_on_drop: false }`
[INFO] [stdout] 86f558b5feb3cb3e79417329d832625b9b6646e9ea610d3fea3abacf6f0cd5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36940f62836ad2dab7bdb656565de4da398c25fd5ebdb55d6b4b0bc22980d867
[INFO] running `Command { std: "docker" "start" "-a" "36940f62836ad2dab7bdb656565de4da398c25fd5ebdb55d6b4b0bc22980d867", kill_on_drop: false }`
[INFO] [stderr]    Compiling alligator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(await_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::task::LocalWaker`
[INFO] [stdout]   --> src/lib.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 | use std::task::{Wake, Poll, LocalWaker};
[INFO] [stdout]    |                             ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `local_waker_from_nonlocal` in module `std::task`
[INFO] [stdout]   --> src/lib.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 |         ::std::task::local_waker_from_nonlocal(self.clone())
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `std::task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0186]: method `wake` has a `self: Arc<Self>` declaration in the trait, but not in the impl
[INFO] [stdout]    --> src/lib.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn wake(arc_self: &Arc<Self>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `self: Arc<Self>` in impl
[INFO] [stdout]     |
[INFO] [stdout]     = note: `wake` from trait: `fn(Arc<Self>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0186, E0425, E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0186`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alligator` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "36940f62836ad2dab7bdb656565de4da398c25fd5ebdb55d6b4b0bc22980d867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36940f62836ad2dab7bdb656565de4da398c25fd5ebdb55d6b4b0bc22980d867", kill_on_drop: false }`
[INFO] [stdout] 36940f62836ad2dab7bdb656565de4da398c25fd5ebdb55d6b4b0bc22980d867