[INFO] crate footile 0.3.1 is already in cache
[INFO] testing footile-0.3.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate footile 0.3.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate footile 0.3.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate footile 0.3.1
[INFO] finished tweaking crates.io crate footile 0.3.1
[INFO] tweaked toml for crates.io crate footile 0.3.1 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a6c521beaadeb5cefa2a8f4221ef26cab01289ef0cba2e9bcf4000bd6135b056
[INFO] running `"docker" "start" "-a" "a6c521beaadeb5cefa2a8f4221ef26cab01289ef0cba2e9bcf4000bd6135b056"`
[INFO] [stderr]    Compiling png v0.10.0
[INFO] [stderr]    Compiling footile v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rgb8.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let mut out = clr.over_alpha(*bot, *m);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rgba8.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let mut out = clr.over_alpha(*bot, *m);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "a6c521beaadeb5cefa2a8f4221ef26cab01289ef0cba2e9bcf4000bd6135b056"`
[INFO] running `"docker" "rm" "-f" "a6c521beaadeb5cefa2a8f4221ef26cab01289ef0cba2e9bcf4000bd6135b056"`
[INFO] [stdout] a6c521beaadeb5cefa2a8f4221ef26cab01289ef0cba2e9bcf4000bd6135b056
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ca292ce742896d39e49c65abb908374ee61f076616b777f03ecb7cabfcc666e
[INFO] running `"docker" "start" "-a" "1ca292ce742896d39e49c65abb908374ee61f076616b777f03ecb7cabfcc666e"`
[INFO] [stderr]    Compiling footile v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rgb8.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let mut out = clr.over_alpha(*bot, *m);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rgba8.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let mut out = clr.over_alpha(*bot, *m);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "1ca292ce742896d39e49c65abb908374ee61f076616b777f03ecb7cabfcc666e"`
[INFO] running `"docker" "rm" "-f" "1ca292ce742896d39e49c65abb908374ee61f076616b777f03ecb7cabfcc666e"`
[INFO] [stdout] 1ca292ce742896d39e49c65abb908374ee61f076616b777f03ecb7cabfcc666e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2b0578503da82d4a2de2b8a0f39b74d96836510858e02452cd92584599cc3c7e
[INFO] running `"docker" "start" "-a" "2b0578503da82d4a2de2b8a0f39b74d96836510858e02452cd92584599cc3c7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/footile-e3a772e211301d20
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test fig::test::compare_fixed ... ok
[INFO] [stdout] test fig::test::fig_3x3 ... ok
[INFO] [stdout] test fig::test::fig_9x1 ... ok
[INFO] [stdout] test fig::test::fig_partial2 ... ok
[INFO] [stdout] test fig::test::fig_partial ... ok
[INFO] [stdout] test fig::test::fig_partial3 ... ok
[INFO] [stdout] test fig::test::fig_x_bounds ... ok
[INFO] [stdout] test fixed::test::test_abs ... ok
[INFO] [stdout] test fixed::test::test_add ... ok
[INFO] [stdout] test fixed::test::test_ceil ... ok
[INFO] [stdout] test fixed::test::test_avg ... ok
[INFO] [stdout] test fixed::test::test_floor ... ok
[INFO] [stdout] test fixed::test::test_div ... ok
[INFO] [stdout] test fixed::test::test_into ... ok
[INFO] [stdout] test fixed::test::test_fract ... ok
[INFO] [stdout] test fixed::test::test_round ... ok
[INFO] [stdout] test fixed::test::test_cmp ... ok
[INFO] [stdout] test fixed::test::test_mul ... ok
[INFO] [stdout] test fixed::test::test_shl ... ok
[INFO] [stdout] test fixed::test::test_shr ... ok
[INFO] [stdout] test fixed::test::test_sub ... ok
[INFO] [stdout] test fixed::test::test_trunc ... ok
[INFO] [stdout] test geom::test::test_identity ... ok
[INFO] [stdout] test geom::test::test_scale ... ok
[INFO] [stdout] test geom::test::test_translate ... ok
[INFO] [stdout] test geom::test::test_vec2 ... ok
[INFO] [stdout] test geom::test::test_transform ... ok
[INFO] [stdout] test geom::test::test_rotate ... ok
[INFO] [stdout] test geom::test::test_skew ... ok
[INFO] [stdout] test mask::test::test_mask ... ok
[INFO] [stdout] test imgbuf::test::odd ... ok
[INFO] [stdout] test imgbuf::test::non_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests footile
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/geom.rs - geom::Transform (line 29) ... ok
[INFO] [stdout] test src/plotter.rs - plotter::Plotter (line 19) ... ok
[INFO] [stdout] test src/raster.rs - raster::RasterB (line 122) ... ok
[INFO] [stdout] test src/path.rs - path::PathBuilder (line 47) ... ok
[INFO] [stdout] test src/raster.rs - raster::Raster (line 18) ... ok
[INFO] [stdout] test src/mask.rs - mask::Mask (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2b0578503da82d4a2de2b8a0f39b74d96836510858e02452cd92584599cc3c7e"`
[INFO] running `"docker" "rm" "-f" "2b0578503da82d4a2de2b8a0f39b74d96836510858e02452cd92584599cc3c7e"`
[INFO] [stdout] 2b0578503da82d4a2de2b8a0f39b74d96836510858e02452cd92584599cc3c7e