[INFO] fetching crate image 0.23.1...
[INFO] checking image-0.23.1 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate image 0.23.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate image 0.23.1 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate image 0.23.1
[INFO] finished tweaking crates.io crate image 0.23.1
[INFO] tweaked toml for crates.io crate image 0.23.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate image 0.23.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f882e89d67b5add52dea0cad9cfc732f93f3255ce0758e22ffc4deff930c2f76
[INFO] running `"docker" "start" "-a" "f882e89d67b5add52dea0cad9cfc732f93f3255ce0758e22ffc4deff930c2f76"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking image v0.23.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     L1,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     La1,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Rgb1,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     Rgba1,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     L2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     La2,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     Rgb2,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     Rgba2,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     L4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     La4,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     Rgb4,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     Rgba4,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     L8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     La8,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Rgb8,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     Rgba8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     L16,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     La16,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Rgb16,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Rgba16,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Bgr8,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/color.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Bgra8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr] warning: unused imports: `IntraMode`, `predict_4x4`
[INFO] [stderr]     --> src/webp/vp8.rs:2022:135
[INFO] [stderr]      |
[INFO] [stderr] 2022 |     use super::{top_pixels, edge_pixels, avg2, avg3, predict_bvepred, predict_brdpred, predict_bldpred, predict_bhepred, add_residue, IntraMode, predict_4x4};
[INFO] [stderr]      |                                                                                                                                       ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode_rgb_test`
[INFO] [stderr]   --> benches/encode_bmp.rs:54:4
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn encode_rgb_test(criterion: &mut Criterion) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode_rgba_test`
[INFO] [stderr]   --> benches/encode_bmp.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn encode_rgba_test(criterion: &mut Criterion) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `BMPEncoder` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `bmpencoder`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `W`
[INFO] [stderr]    --> src/jpeg/decoder.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     const W: usize = 256;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `H`
[INFO] [stderr]    --> src/jpeg/decoder.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     const H: usize = 256;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `W`
[INFO] [stderr]     --> src/webp/vp8.rs:2026:5
[INFO] [stderr]      |
[INFO] [stderr] 2026 |     const W: usize = 256;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `H`
[INFO] [stderr]     --> src/webp/vp8.rs:2027:5
[INFO] [stderr]      |
[INFO] [stderr] 2027 |     const H: usize = 256;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_sample_image`
[INFO] [stderr]     --> src/webp/vp8.rs:2029:8
[INFO] [stderr]      |
[INFO] [stderr] 2029 |     fn make_sample_image() -> Vec<u8> {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.68s
[INFO] running `"docker" "inspect" "f882e89d67b5add52dea0cad9cfc732f93f3255ce0758e22ffc4deff930c2f76"`
[INFO] running `"docker" "rm" "-f" "f882e89d67b5add52dea0cad9cfc732f93f3255ce0758e22ffc4deff930c2f76"`
[INFO] [stdout] f882e89d67b5add52dea0cad9cfc732f93f3255ce0758e22ffc4deff930c2f76