[INFO] fetching crate framing 0.6.0...
[INFO] testing framing-0.6.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate framing 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate framing 0.6.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate framing 0.6.0
[INFO] finished tweaking crates.io crate framing 0.6.0
[INFO] tweaked toml for crates.io crate framing 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] [stderr]   Downloaded clamp v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff0d7e8764dcbbf771349352116b84088d857495a03b42242fee08ce3c3c0e3
[INFO] running `Command { std: "docker" "start" "-a" "bff0d7e8764dcbbf771349352116b84088d857495a03b42242fee08ce3c3c0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff0d7e8764dcbbf771349352116b84088d857495a03b42242fee08ce3c3c0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff0d7e8764dcbbf771349352116b84088d857495a03b42242fee08ce3c3c0e3", kill_on_drop: false }`
[INFO] [stdout] bff0d7e8764dcbbf771349352116b84088d857495a03b42242fee08ce3c3c0e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9734b767f65dcefda1863d921ba28ef7a75d2a7cb7090ce2f94f7797666888ce
[INFO] running `Command { std: "docker" "start" "-a" "9734b767f65dcefda1863d921ba28ef7a75d2a7cb7090ce2f94f7797666888ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling clamp v0.1.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling framing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `conservative_impl_trait` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0700]: hidden type for `impl Iterator<Item = (usize, usize, <T as Image>::Pixel)> + ExactSizeIterator` captures lifetime that does not appear in bounds
[INFO] [stdout]   --> src/transforms/iter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   pub fn iter<'a, T: Image>(frame: &'a T)
[INFO] [stdout]    |               -- hidden type `std::iter::Map<std::ops::Range<usize>, {closure@src/transforms/iter.rs:10:20: 10:28}>` captures the lifetime `'a` as defined here
[INFO] [stdout] 6  |       -> impl Iterator<Item = (usize, usize, T::Pixel)> + ExactSizeIterator
[INFO] [stdout]    |          ------------------------------------------------------------------ opaque type defined here
[INFO] [stdout] ...
[INFO] [stdout] 10 | /     (0..w * h).map(move |i| unsafe {
[INFO] [stdout] 11 | |         let (x, y) = (i % w, i / w);
[INFO] [stdout] 12 | |         (x, y, frame.pixel(i % w, i / w))
[INFO] [stdout] 13 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout] help: to declare that `impl Iterator<Item = (usize, usize, <T as Image>::Pixel)> + ExactSizeIterator` captures `'a`, you can add an explicit `'a` lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 6  |     -> impl Iterator<Item = (usize, usize, T::Pixel)> + ExactSizeIterator + 'a
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0700]: hidden type for `impl rayon::iter::ParallelIterator<Item = (usize, usize, <T as Image>::Pixel)>` captures lifetime that does not appear in bounds
[INFO] [stdout]   --> src/transforms/iter.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn par_iter<'a, T>(frame: &'a T)
[INFO] [stdout]    |                   -- hidden type `rayon::iter::Map<rayon::range::Iter<usize>, {closure@src/transforms/iter.rs:25:36: 25:44}>` captures the lifetime `'a` as defined here
[INFO] [stdout] 18 |       -> impl ParallelIterator<Item = (usize, usize, T::Pixel)>
[INFO] [stdout]    |          ------------------------------------------------------ opaque type defined here
[INFO] [stdout] ...
[INFO] [stdout] 25 | /     (0..w * h).into_par_iter().map(move |i| unsafe {
[INFO] [stdout] 26 | |         let (x, y) = (i % w, i / w);
[INFO] [stdout] 27 | |         (x, y, frame.pixel(i % w, i / w))
[INFO] [stdout] 28 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout] help: to declare that `impl rayon::iter::ParallelIterator<Item = (usize, usize, <T as Image>::Pixel)>` captures `'a`, you can add an explicit `'a` lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 18 |     -> impl ParallelIterator<Item = (usize, usize, T::Pixel)> + 'a
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0700.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `framing` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9734b767f65dcefda1863d921ba28ef7a75d2a7cb7090ce2f94f7797666888ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9734b767f65dcefda1863d921ba28ef7a75d2a7cb7090ce2f94f7797666888ce", kill_on_drop: false }`
[INFO] [stdout] 9734b767f65dcefda1863d921ba28ef7a75d2a7cb7090ce2f94f7797666888ce
