[INFO] fetching crate img_hash_median 4.0.0... [INFO] checking img_hash_median-4.0.0 against f3df2feb79b2422c028f78855ec6ffe2e212d7cc for pr-163699 [INFO] extracting crate img_hash_median 4.0.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate img_hash_median 4.0.0 [INFO] finished tweaking crates.io crate img_hash_median 4.0.0 [INFO] tweaked toml for crates.io crate img_hash_median 4.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate img_hash_median 4.0.0 on toolchain f3df2feb79b2422c028f78855ec6ffe2e212d7cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate img_hash_median 4.0.0 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" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32 [INFO] running `Command { std: "docker" "start" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking strength_reduce v0.2.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking weezl v0.1.2 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking transpose v0.1.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking transpose v0.2.0 [INFO] [stderr] Checking rustfft v3.0.1 [INFO] [stderr] Checking rustdct v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking tiff v0.6.0 [INFO] [stderr] Checking image v0.23.11 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking img_hash_median v4.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/alg/blockhash.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | move |x, y, add| (blocks[(y as usize) * (width as usize) + (x as usize)] += add) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 60 - move |x, y, add| (blocks[(y as usize) * (width as usize) + (x as usize)] += add) [INFO] [stdout] 60 + move |x, y, add| blocks[(y as usize) * (width as usize) + (x as usize)] += add [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::num::::max_value`: replaced by the `MAX` associated constant on this type [INFO] [stdout] --> src/traits.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | usize::max_value() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::num::::max_value`: replaced by the `MAX` associated constant on this type [INFO] [stdout] --> src/traits.rs:50:16 [INFO] [stdout] | [INFO] [stdout] 50 | usize::max_value() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:336:21 [INFO] [stdout] | [INFO] [stdout] 336 | fn to_grayscale(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 336 | fn to_grayscale(&self) -> Cow<'_, GrayImage> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traits.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | fn to_grayscale(&self) -> Cow; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 125 | fn to_grayscale(&self) -> Cow<'_, GrayImage>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traits.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | fn to_grayscale(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | fn to_grayscale(&self) -> Cow<'_, GrayImage> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traits.rs:190:21 [INFO] [stdout] | [INFO] [stdout] 190 | fn to_grayscale(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 190 | fn to_grayscale(&self) -> Cow<'_, GrayImage> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: specialization is experimental [INFO] [stdout] --> src/traits.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 170 | default fn to_grayscale(&self) -> Cow { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-10-03; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #154045 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: specialization is experimental [INFO] [stdout] --> src/traits.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | default fn blur(&self, sigma: f32) -> Self::Buf { imageops::blur(self, sigma) } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-10-03; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #154045 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: specialization is experimental [INFO] [stdout] --> src/traits.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 176 | default fn foreach_pixel8(&self, mut foreach: F) where F: FnMut(u32, u32, &[u8]) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-10-03; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #154045 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stdout] error: reserved `doc` attribute `Hidden` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tinytemplate-1.1.0/src/error.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | #[doc(Hidden)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tinytemplate` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32", kill_on_drop: false }` [INFO] [stdout] 0df4cf6bc63f93a1a3028796509a1a2ba68d74e00e3aff407f34923ed0c33a32