[INFO] fetching crate delay_line 0.1.2... [INFO] testing delay_line-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate delay_line 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate delay_line 0.1.2 [INFO] finished tweaking crates.io crate delay_line 0.1.2 [INFO] tweaked toml for crates.io crate delay_line 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate delay_line 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate delay_line 0.1.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0cfcb73359f91bbc48f542b728816b7b90668d63244fbfb8779a27d2d0c6109 [INFO] running `Command { std: "docker" "start" "-a" "d0cfcb73359f91bbc48f542b728816b7b90668d63244fbfb8779a27d2d0c6109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0cfcb73359f91bbc48f542b728816b7b90668d63244fbfb8779a27d2d0c6109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0cfcb73359f91bbc48f542b728816b7b90668d63244fbfb8779a27d2d0c6109", kill_on_drop: false }` [INFO] [stdout] d0cfcb73359f91bbc48f542b728816b7b90668d63244fbfb8779a27d2d0c6109 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b84213905c7cc4503082a2d87f79447274dbc7d1da5a021f61ec00789de9dc1c [INFO] running `Command { std: "docker" "start" "-a" "b84213905c7cc4503082a2d87f79447274dbc7d1da5a021f61ec00789de9dc1c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling delay_line v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `inherent_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(inherent_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #8995 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Output` not found for `DelayLine` in the current scope [INFO] [stdout] --> src/lib.rs:1047:68 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct DelayLine [INFO] [stdout] | ----------------------------------- associated type `Output` not found for this struct [INFO] [stdout] ... [INFO] [stdout] 1047 | extern "rust-call" fn call_once(mut self, (x,): (T,)) -> Self::Output [INFO] [stdout] | ^^^^^^ associated item not found in `DelayLine` [INFO] [stdout] | [INFO] [stdout] = note: the associated type was found for [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0220]: associated type `Output` not found for `DelayLine` in the current scope [INFO] [stdout] --> src/lib.rs:1056:68 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct DelayLine [INFO] [stdout] | ----------------------------------- associated type `Output` not found for this struct [INFO] [stdout] ... [INFO] [stdout] 1056 | extern "rust-call" fn call_mut(&mut self, (x,): (T,)) -> Self::Output [INFO] [stdout] | ^^^^^^ associated item not found in `DelayLine` [INFO] [stdout] | [INFO] [stdout] = note: the associated type was found for [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:437:9 [INFO] [stdout] | [INFO] [stdout] 431 | pub fn push_in_within_capacity(&mut self, value: T) -> Result<(), T> [INFO] [stdout] | ------------- expected `Result<(), T>` because of return type [INFO] [stdout] ... [INFO] [stdout] 437 | self.make_contiguous().push_within_capacity(value) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), T>`, found `Result<&mut T, T>` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result<(), _>` [INFO] [stdout] found enum `Result<&mut T, _>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `delay_line` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stdout] Some errors have detailed explanations: E0220, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0220`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b84213905c7cc4503082a2d87f79447274dbc7d1da5a021f61ec00789de9dc1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b84213905c7cc4503082a2d87f79447274dbc7d1da5a021f61ec00789de9dc1c", kill_on_drop: false }` [INFO] [stdout] b84213905c7cc4503082a2d87f79447274dbc7d1da5a021f61ec00789de9dc1c