Nov 28 06:27:42.394 INFO checking dlukes/simplify-tags against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 06:27:42.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 06:27:42.726 INFO [stdout] d6e2ca18731ad7c83851dc319b06cbd0e6decb969c554369cb6fd93aa0471e24
Nov 28 06:27:42.734 INFO running `"docker" "start" "-a" "d6e2ca18731ad7c83851dc319b06cbd0e6decb969c554369cb6fd93aa0471e24"`
Nov 28 06:27:43.668 INFO [stderr] usermod: no changes
Nov 28 06:27:43.788 INFO [stderr]     Checking regex v0.2.10
Nov 28 06:27:46.494 INFO [stderr]     Checking simplify_tags v0.1.0 (/source)
Nov 28 06:27:50.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:50.509 INFO [stderr]   --> src/bin/01-drobnosti.rs:28:5
Nov 28 06:27:50.510 INFO [stderr]    |
Nov 28 06:27:50.510 INFO [stderr] 28 |     stdout.flush();
Nov 28 06:27:50.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:50.512 INFO [stderr]    |
Nov 28 06:27:50.512 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:50.513 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:50.513 INFO [stderr] 
Nov 28 06:27:50.933 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:50.933 INFO [stderr]   --> src/bin/03-jen_main.rs:56:5
Nov 28 06:27:50.934 INFO [stderr]    |
Nov 28 06:27:50.935 INFO [stderr] 56 |     stdout.flush();
Nov 28 06:27:50.935 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:50.936 INFO [stderr]    |
Nov 28 06:27:50.940 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:50.941 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:50.941 INFO [stderr] 
Nov 28 06:27:50.994 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:50.995 INFO [stderr]   --> src/bin/06-bez_parsovani_utf8.rs:78:5
Nov 28 06:27:50.996 INFO [stderr]    |
Nov 28 06:27:51.004 INFO [stderr] 78 |     stdout.flush();
Nov 28 06:27:51.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:51.016 INFO [stderr]    |
Nov 28 06:27:51.017 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:51.018 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:51.018 INFO [stderr] 
Nov 28 06:27:51.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:51.104 INFO [stderr]   --> src/bin/04-vetveni.rs:81:5
Nov 28 06:27:51.104 INFO [stderr]    |
Nov 28 06:27:51.104 INFO [stderr] 81 |     stdout.flush();
Nov 28 06:27:51.104 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:51.104 INFO [stderr]    |
Nov 28 06:27:51.104 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:51.104 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:51.104 INFO [stderr] 
Nov 28 06:27:51.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:51.191 INFO [stderr]    --> src/bin/05-vetveni_bez_zbytecnych_alokaci.rs:102:5
Nov 28 06:27:51.191 INFO [stderr]     |
Nov 28 06:27:51.193 INFO [stderr] 102 |     stdout.flush();
Nov 28 06:27:51.193 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Nov 28 06:27:51.194 INFO [stderr]     |
Nov 28 06:27:51.195 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:51.195 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:51.196 INFO [stderr] 
Nov 28 06:27:51.432 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:51.433 INFO [stderr]   --> src/bin/02-min_alokaci.rs:28:5
Nov 28 06:27:51.433 INFO [stderr]    |
Nov 28 06:27:51.433 INFO [stderr] 28 |     stdout.flush();
Nov 28 06:27:51.433 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:51.433 INFO [stderr]    |
Nov 28 06:27:51.433 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:51.433 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:51.433 INFO [stderr] 
Nov 28 06:27:53.220 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:53.220 INFO [stderr]   --> src/bin/01-drobnosti.rs:28:5
Nov 28 06:27:53.220 INFO [stderr]    |
Nov 28 06:27:53.220 INFO [stderr] 28 |     stdout.flush();
Nov 28 06:27:53.220 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:53.220 INFO [stderr]    |
Nov 28 06:27:53.220 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:53.220 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:53.220 INFO [stderr] 
Nov 28 06:27:53.468 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:53.468 INFO [stderr]   --> src/bin/03-jen_main.rs:56:5
Nov 28 06:27:53.468 INFO [stderr]    |
Nov 28 06:27:53.468 INFO [stderr] 56 |     stdout.flush();
Nov 28 06:27:53.468 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:53.468 INFO [stderr]    |
Nov 28 06:27:53.468 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:53.469 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:53.469 INFO [stderr] 
Nov 28 06:27:53.773 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:53.773 INFO [stderr]   --> src/bin/02-min_alokaci.rs:28:5
Nov 28 06:27:53.777 INFO [stderr]    |
Nov 28 06:27:53.777 INFO [stderr] 28 |     stdout.flush();
Nov 28 06:27:53.777 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:53.777 INFO [stderr]    |
Nov 28 06:27:53.778 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:53.778 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:53.778 INFO [stderr] 
Nov 28 06:27:53.960 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:53.961 INFO [stderr]   --> src/bin/04-vetveni.rs:81:5
Nov 28 06:27:53.961 INFO [stderr]    |
Nov 28 06:27:53.961 INFO [stderr] 81 |     stdout.flush();
Nov 28 06:27:53.961 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:53.962 INFO [stderr]    |
Nov 28 06:27:53.962 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:53.962 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:53.963 INFO [stderr] 
Nov 28 06:27:53.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:53.993 INFO [stderr]   --> src/bin/06-bez_parsovani_utf8.rs:78:5
Nov 28 06:27:53.993 INFO [stderr]    |
Nov 28 06:27:53.993 INFO [stderr] 78 |     stdout.flush();
Nov 28 06:27:53.994 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 06:27:53.994 INFO [stderr]    |
Nov 28 06:27:53.994 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:53.994 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:53.995 INFO [stderr] 
Nov 28 06:27:54.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 06:27:54.017 INFO [stderr]    --> src/bin/05-vetveni_bez_zbytecnych_alokaci.rs:102:5
Nov 28 06:27:54.017 INFO [stderr]     |
Nov 28 06:27:54.017 INFO [stderr] 102 |     stdout.flush();
Nov 28 06:27:54.017 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Nov 28 06:27:54.018 INFO [stderr]     |
Nov 28 06:27:54.018 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 06:27:54.018 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 06:27:54.019 INFO [stderr] 
Nov 28 06:27:54.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
Nov 28 06:27:54.045 INFO [stderr] su: No module specific data is present
Nov 28 06:27:54.632 INFO running `"docker" "inspect" "d6e2ca18731ad7c83851dc319b06cbd0e6decb969c554369cb6fd93aa0471e24"`
Nov 28 06:27:54.903 INFO running `"docker" "rm" "-f" "d6e2ca18731ad7c83851dc319b06cbd0e6decb969c554369cb6fd93aa0471e24"`
Nov 28 06:27:55.096 INFO [stdout] d6e2ca18731ad7c83851dc319b06cbd0e6decb969c554369cb6fd93aa0471e24