Dec 17 17:12:31.726 INFO checking rcuvgd/robinson against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:12:31.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/rcuvgd/robinson:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:12:32.182 INFO [stdout] ac0ac8149361fb294ab67ae5aaf19fcf9aab953aa8ffa20e788434ad67fb978c
Dec 17 17:12:32.192 INFO running `"docker" "start" "-a" "ac0ac8149361fb294ab67ae5aaf19fcf9aab953aa8ffa20e788434ad67fb978c"`
Dec 17 17:12:33.638 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 17 17:12:33.638 INFO [stderr]     Checking deflate v0.7.13
Dec 17 17:12:33.641 INFO [stderr]     Checking num-rational v0.1.38
Dec 17 17:12:34.864 INFO [stderr]     Checking png v0.8.0
Dec 17 17:12:35.850 INFO [stderr]     Checking image v0.14.0
Dec 17 17:12:39.640 INFO [stderr]     Checking robinson v0.0.1 (/opt/crater/workdir)
Dec 17 17:12:39.942 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 17 17:12:39.942 INFO [stderr]  --> src/css.rs:6:5
Dec 17 17:12:39.942 INFO [stderr]   |
Dec 17 17:12:39.942 INFO [stderr] 6 | use std::ascii::AsciiExt; // for `to_ascii_lowercase`
Dec 17 17:12:39.942 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:12:39.942 INFO [stderr]   |
Dec 17 17:12:39.942 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 17:12:39.942 INFO [stderr] 
Dec 17 17:12:39.948 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 17 17:12:39.948 INFO [stderr]  --> src/css.rs:6:5
Dec 17 17:12:39.948 INFO [stderr]   |
Dec 17 17:12:39.948 INFO [stderr] 6 | use std::ascii::AsciiExt; // for `to_ascii_lowercase`
Dec 17 17:12:39.948 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:12:39.948 INFO [stderr]   |
Dec 17 17:12:39.948 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 17:12:39.948 INFO [stderr] 
Dec 17 17:12:40.172 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 17 17:12:40.172 INFO [stderr]  --> src/css.rs:6:5
Dec 17 17:12:40.172 INFO [stderr]   |
Dec 17 17:12:40.172 INFO [stderr] 6 | use std::ascii::AsciiExt; // for `to_ascii_lowercase`
Dec 17 17:12:40.172 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:12:40.172 INFO [stderr]   |
Dec 17 17:12:40.172 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:12:40.172 INFO [stderr] 
Dec 17 17:12:40.200 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 17 17:12:40.200 INFO [stderr]  --> src/css.rs:6:5
Dec 17 17:12:40.200 INFO [stderr]   |
Dec 17 17:12:40.200 INFO [stderr] 6 | use std::ascii::AsciiExt; // for `to_ascii_lowercase`
Dec 17 17:12:40.200 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:12:40.200 INFO [stderr]   |
Dec 17 17:12:40.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:12:40.200 INFO [stderr] 
Dec 17 17:12:40.439 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
Dec 17 17:12:40.909 INFO running `"docker" "inspect" "ac0ac8149361fb294ab67ae5aaf19fcf9aab953aa8ffa20e788434ad67fb978c"`
Dec 17 17:12:40.990 INFO running `"docker" "rm" "-f" "ac0ac8149361fb294ab67ae5aaf19fcf9aab953aa8ffa20e788434ad67fb978c"`
Dec 17 17:12:41.101 INFO [stdout] ac0ac8149361fb294ab67ae5aaf19fcf9aab953aa8ffa20e788434ad67fb978c