Dec 19 18:07:25.897 INFO checking deifactor/ascender against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:07:25.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/deifactor/ascender:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:07:26.468 INFO [stdout] 9444588c5b11b114b3a01661bcbcf0d15ae6fea17a1f6c789c6109b7e3aa5126
Dec 19 18:07:26.472 INFO running `"docker" "start" "-a" "9444588c5b11b114b3a01661bcbcf0d15ae6fea17a1f6c789c6109b7e3aa5126"`
Dec 19 18:07:28.080 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 19 18:07:28.080 INFO [stderr]    Compiling num-iter v0.1.37
Dec 19 18:07:28.080 INFO [stderr]    Compiling phf_shared v0.7.22
Dec 19 18:07:28.080 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 18:07:28.081 INFO [stderr]     Checking approx v0.3.0
Dec 19 18:07:28.081 INFO [stderr]    Compiling syn v0.14.4
Dec 19 18:07:30.237 INFO [stderr]    Compiling phf_generator v0.7.22
Dec 19 18:07:30.524 INFO [stderr]     Checking phf v0.7.22
Dec 19 18:07:30.770 INFO [stderr]     Checking rusttype v0.6.4
Dec 19 18:07:30.812 INFO [stderr]    Compiling rayon v1.0.2
Dec 19 18:07:32.193 INFO [stderr]    Compiling phf_codegen v0.7.22
Dec 19 18:07:32.278 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 18:07:33.196 INFO [stderr]     Checking png v0.12.0
Dec 19 18:07:33.888 INFO [stderr]    Compiling palette v0.4.1
Dec 19 18:07:42.919 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 18:07:49.405 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 18:07:49.408 INFO [stderr]    Compiling num-derive v0.2.2
Dec 19 18:07:49.408 INFO [stderr]    Compiling palette_derive v0.4.1
Dec 19 18:07:53.144 INFO [stderr]     Checking image v0.19.0
Dec 19 18:07:54.245 INFO [stderr]     Checking structopt v0.2.10
Dec 19 18:08:02.556 INFO [stderr]     Checking ascender v0.1.0 (/opt/crater/workdir)
Dec 19 18:08:04.360 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 18:08:04.360 INFO [stderr]  --> src/bin/cli.rs:4:1
Dec 19 18:08:04.360 INFO [stderr]   |
Dec 19 18:08:04.360 INFO [stderr] 4 | #[macro_use]
Dec 19 18:08:04.360 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 18:08:04.360 INFO [stderr]   |
Dec 19 18:08:04.360 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:08:04.360 INFO [stderr] 
Dec 19 18:08:04.404 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 18:08:04.404 INFO [stderr]  --> src/bin/cli.rs:4:1
Dec 19 18:08:04.404 INFO [stderr]   |
Dec 19 18:08:04.404 INFO [stderr] 4 | #[macro_use]
Dec 19 18:08:04.404 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 18:08:04.404 INFO [stderr]   |
Dec 19 18:08:04.404 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:08:04.404 INFO [stderr] 
Dec 19 18:08:04.564 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.70s
Dec 19 18:08:05.274 INFO running `"docker" "inspect" "9444588c5b11b114b3a01661bcbcf0d15ae6fea17a1f6c789c6109b7e3aa5126"`
Dec 19 18:08:05.539 INFO running `"docker" "rm" "-f" "9444588c5b11b114b3a01661bcbcf0d15ae6fea17a1f6c789c6109b7e3aa5126"`
Dec 19 18:08:05.744 INFO [stdout] 9444588c5b11b114b3a01661bcbcf0d15ae6fea17a1f6c789c6109b7e3aa5126