[INFO] fetching crate futures_future 0.1.1...
[INFO] testing futures_future-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate futures_future 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate futures_future 0.1.1
[INFO] finished tweaking crates.io crate futures_future 0.1.1
[INFO] tweaked toml for crates.io crate futures_future 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures_future 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ede0eaf7e0a95dcb2485739cc9029b1f4eba7e615880944153f876d51efc36c
[INFO] running `Command { std: "docker" "start" "-a" "9ede0eaf7e0a95dcb2485739cc9029b1f4eba7e615880944153f876d51efc36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ede0eaf7e0a95dcb2485739cc9029b1f4eba7e615880944153f876d51efc36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ede0eaf7e0a95dcb2485739cc9029b1f4eba7e615880944153f876d51efc36c", kill_on_drop: false }`
[INFO] [stdout] 9ede0eaf7e0a95dcb2485739cc9029b1f4eba7e615880944153f876d51efc36c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5403c2f9fc6d6cf3e6a326751debbd30f19e3b960074bd3b302c4a1c9bcf006
[INFO] running `Command { std: "docker" "start" "-a" "f5403c2f9fc6d6cf3e6a326751debbd30f19e3b960074bd3b302c4a1c9bcf006", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures_future v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `local_waker`
[INFO] [stdout]   --> src/lib.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn poll(self: Pin<&mut Self>, _lw: &task::LocalWaker) -> task::Poll<Result<T,E>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #118959 <https://github.com/rust-lang/rust/issues/118959> for more information
[INFO] [stdout]    = help: add `#![feature(local_waker)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `futures_api` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(futures_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pin)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stdout]   --> src/lib.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn poll(self: Pin<&mut Self>, _lw: &task::LocalWaker) -> task::Poll<Result<T,E>> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(Pin<&mut FuturesFuture<'_, _>>, &mut Context<'_>) -> Poll<Result<_, _>>`
[INFO] [stdout]               found signature `fn(Pin<&mut FuturesFuture<'_, _>>, &LocalWaker) -> Poll<Result<T, E>>`
[INFO] [stdout] help: change the parameter type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 18 -     fn poll(self: Pin<&mut Self>, _lw: &task::LocalWaker) -> task::Poll<Result<T,E>> {
[INFO] [stdout] 18 +     fn poll(self: Pin<&mut Self>, _lw: &mut Context<'_>) -> task::Poll<Result<T,E>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures_future` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f5403c2f9fc6d6cf3e6a326751debbd30f19e3b960074bd3b302c4a1c9bcf006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5403c2f9fc6d6cf3e6a326751debbd30f19e3b960074bd3b302c4a1c9bcf006", kill_on_drop: false }`
[INFO] [stdout] f5403c2f9fc6d6cf3e6a326751debbd30f19e3b960074bd3b302c4a1c9bcf006