Nov 16 20:45:59.746 INFO testing m-g-dev/fbsep against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 20:45:59.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 20:46:00.036 INFO [stdout] 6783a5e25395e0c7535c7f178bb39a34f2e15f798fcb3e2d011513fd7ce1b557
Nov 16 20:46:00.041 INFO running `"docker" "start" "-a" "6783a5e25395e0c7535c7f178bb39a34f2e15f798fcb3e2d011513fd7ce1b557"`
Nov 16 20:46:00.479 INFO [stderr] usermod: no changes
Nov 16 20:46:00.518 INFO [stderr]    Compiling fbsep v0.1.0 (/source)
Nov 16 20:46:00.759 INFO [stderr] warning: unused variable: `greyscale`
Nov 16 20:46:00.759 INFO [stderr]  --> src/lib.rs:1:21
Nov 16 20:46:00.759 INFO [stderr]   |
Nov 16 20:46:00.759 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Nov 16 20:46:00.759 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Nov 16 20:46:00.759 INFO [stderr]   |
Nov 16 20:46:00.759 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 20:46:00.759 INFO [stderr] 
Nov 16 20:46:00.782 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Nov 16 20:46:00.785 INFO [stderr] su: No module specific data is present
Nov 16 20:46:01.351 INFO running `"docker" "inspect" "6783a5e25395e0c7535c7f178bb39a34f2e15f798fcb3e2d011513fd7ce1b557"`
Nov 16 20:46:01.531 INFO running `"docker" "rm" "-f" "6783a5e25395e0c7535c7f178bb39a34f2e15f798fcb3e2d011513fd7ce1b557"`
Nov 16 20:46:01.784 INFO [stdout] 6783a5e25395e0c7535c7f178bb39a34f2e15f798fcb3e2d011513fd7ce1b557
Nov 16 20:46:01.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 20:46:02.216 INFO [stdout] 66b333fafed1f5ffd23dc7eb8ddab46e72f8d3e7645b50f8ab4296e545776f99
Nov 16 20:46:02.219 INFO running `"docker" "start" "-a" "66b333fafed1f5ffd23dc7eb8ddab46e72f8d3e7645b50f8ab4296e545776f99"`
Nov 16 20:46:03.273 INFO [stderr] usermod: no changes
Nov 16 20:46:03.322 INFO [stderr]    Compiling fbsep v0.1.0 (/source)
Nov 16 20:46:03.606 INFO [stderr] warning: unused variable: `greyscale`
Nov 16 20:46:03.606 INFO [stderr]  --> src/lib.rs:1:21
Nov 16 20:46:03.606 INFO [stderr]   |
Nov 16 20:46:03.606 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Nov 16 20:46:03.606 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Nov 16 20:46:03.606 INFO [stderr]   |
Nov 16 20:46:03.606 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 20:46:03.606 INFO [stderr] 
Nov 16 20:46:03.611 INFO [stderr] warning: function is never used: `a`
Nov 16 20:46:03.611 INFO [stderr]  --> src/lib.rs:9:5
Nov 16 20:46:03.611 INFO [stderr]   |
Nov 16 20:46:03.611 INFO [stderr] 9 |     fn a() {
Nov 16 20:46:03.611 INFO [stderr]   |     ^^^^^^
Nov 16 20:46:03.611 INFO [stderr]   |
Nov 16 20:46:03.611 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 20:46:03.611 INFO [stderr] 
Nov 16 20:46:03.861 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Nov 16 20:46:03.864 INFO [stderr] su: No module specific data is present
Nov 16 20:46:04.364 INFO running `"docker" "inspect" "66b333fafed1f5ffd23dc7eb8ddab46e72f8d3e7645b50f8ab4296e545776f99"`
Nov 16 20:46:04.618 INFO running `"docker" "rm" "-f" "66b333fafed1f5ffd23dc7eb8ddab46e72f8d3e7645b50f8ab4296e545776f99"`
Nov 16 20:46:04.874 INFO [stdout] 66b333fafed1f5ffd23dc7eb8ddab46e72f8d3e7645b50f8ab4296e545776f99
Nov 16 20:46:04.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 20:46:05.221 INFO [stdout] f2fbe32068fc176dc8454d45b02742cf09fba9353d08c671cca06fc8ea413df4
Nov 16 20:46:05.225 INFO running `"docker" "start" "-a" "f2fbe32068fc176dc8454d45b02742cf09fba9353d08c671cca06fc8ea413df4"`
Nov 16 20:46:06.149 INFO [stderr] usermod: no changes
Nov 16 20:46:06.183 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 16 20:46:06.183 INFO [stderr]      Running /target/debug/deps/fbsep-0c32c268f40501da
Nov 16 20:46:06.185 INFO [stdout] 
Nov 16 20:46:06.185 INFO [stdout] running 0 tests
Nov 16 20:46:06.185 INFO [stdout] 
Nov 16 20:46:06.185 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 20:46:06.185 INFO [stdout] 
Nov 16 20:46:06.195 INFO [stderr]    Doc-tests fbsep
Nov 16 20:46:06.499 INFO [stdout] 
Nov 16 20:46:06.500 INFO [stdout] running 0 tests
Nov 16 20:46:06.500 INFO [stdout] 
Nov 16 20:46:06.500 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 20:46:06.501 INFO [stdout] 
Nov 16 20:46:06.501 INFO [stderr] su: No module specific data is present
Nov 16 20:46:07.307 INFO running `"docker" "inspect" "f2fbe32068fc176dc8454d45b02742cf09fba9353d08c671cca06fc8ea413df4"`
Nov 16 20:46:07.493 INFO running `"docker" "rm" "-f" "f2fbe32068fc176dc8454d45b02742cf09fba9353d08c671cca06fc8ea413df4"`
Nov 16 20:46:07.707 INFO [stdout] f2fbe32068fc176dc8454d45b02742cf09fba9353d08c671cca06fc8ea413df4