Dec 19 19:24:49.449 INFO checking busarovalex/cryptogram against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:24:49.449 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/busarovalex/cryptogram:/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 19:24:50.170 INFO [stdout] 426d3ad07abf0ec613f3e6b49bc680d0cbf71a19b49c0456151a2d32ac7d01e7
Dec 19 19:24:50.172 INFO running `"docker" "start" "-a" "426d3ad07abf0ec613f3e6b49bc680d0cbf71a19b49c0456151a2d32ac7d01e7"`
Dec 19 19:24:51.728 INFO [stderr]     Checking regex v0.2.10
Dec 19 19:24:51.728 INFO [stderr]    Compiling structopt-derive v0.1.6
Dec 19 19:24:51.728 INFO [stderr]     Checking structopt v0.1.7
Dec 19 19:24:55.796 INFO [stderr]     Checking env_logger v0.5.9
Dec 19 19:24:56.512 INFO [stderr]     Checking word-search v0.1.0 (/opt/crater/workdir)
Dec 19 19:24:58.055 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 19:24:58.056 INFO [stderr]  --> src/main.rs:1:12
Dec 19 19:24:58.056 INFO [stderr]   |
Dec 19 19:24:58.056 INFO [stderr] 1 | #![feature(underscore_lifetimes)]
Dec 19 19:24:58.057 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 19 19:24:58.057 INFO [stderr]   |
Dec 19 19:24:58.057 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 19:24:58.057 INFO [stderr] 
Dec 19 19:24:58.058 INFO [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 19:24:58.058 INFO [stderr]  --> src/main.rs:2:12
Dec 19 19:24:58.058 INFO [stderr]   |
Dec 19 19:24:58.058 INFO [stderr] 2 | #![feature(inclusive_range_syntax)]
Dec 19 19:24:58.059 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:24:58.059 INFO [stderr] 
Dec 19 19:24:58.140 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 19:24:58.141 INFO [stderr]  --> src/main.rs:1:12
Dec 19 19:24:58.141 INFO [stderr]   |
Dec 19 19:24:58.141 INFO [stderr] 1 | #![feature(underscore_lifetimes)]
Dec 19 19:24:58.141 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 19 19:24:58.142 INFO [stderr]   |
Dec 19 19:24:58.142 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 19:24:58.142 INFO [stderr] 
Dec 19 19:24:58.142 INFO [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 19:24:58.143 INFO [stderr]  --> src/main.rs:2:12
Dec 19 19:24:58.143 INFO [stderr]   |
Dec 19 19:24:58.143 INFO [stderr] 2 | #![feature(inclusive_range_syntax)]
Dec 19 19:24:58.143 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:24:58.143 INFO [stderr] 
Dec 19 19:24:58.183 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
Dec 19 19:24:59.444 INFO running `"docker" "inspect" "426d3ad07abf0ec613f3e6b49bc680d0cbf71a19b49c0456151a2d32ac7d01e7"`
Dec 19 19:24:59.770 INFO running `"docker" "rm" "-f" "426d3ad07abf0ec613f3e6b49bc680d0cbf71a19b49c0456151a2d32ac7d01e7"`
Dec 19 19:25:00.136 INFO [stdout] 426d3ad07abf0ec613f3e6b49bc680d0cbf71a19b49c0456151a2d32ac7d01e7