Dec 06 10:55:47.717 INFO testing Osspial/letter-pair against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 10:55:47.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 10:55:47.985 INFO [stdout] 28ab53f286fbce65951f5219bce3f97c29f37b8780968afdc789d81375f7fad0
Dec 06 10:55:47.987 INFO running `"docker" "start" "-a" "28ab53f286fbce65951f5219bce3f97c29f37b8780968afdc789d81375f7fad0"`
Dec 06 10:55:49.004 INFO [stderr] usermod: no changes
Dec 06 10:55:49.057 INFO [stderr]    Compiling letter-pair v0.1.0 (/source)
Dec 06 10:55:49.524 INFO [stderr] warning: unused variable: `wheel_max_len`
Dec 06 10:55:49.524 INFO [stderr]   --> src/main.rs:74:9
Dec 06 10:55:49.524 INFO [stderr]    |
Dec 06 10:55:49.524 INFO [stderr] 74 |     let wheel_max_len = 8;
Dec 06 10:55:49.524 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_wheel_max_len` instead
Dec 06 10:55:49.524 INFO [stderr]    |
Dec 06 10:55:49.532 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:55:49.532 INFO [stderr] 
Dec 06 10:55:51.039 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Dec 06 10:55:51.042 INFO [stderr] su: No module specific data is present
Dec 06 10:55:51.601 INFO running `"docker" "inspect" "28ab53f286fbce65951f5219bce3f97c29f37b8780968afdc789d81375f7fad0"`
Dec 06 10:55:51.706 INFO running `"docker" "rm" "-f" "28ab53f286fbce65951f5219bce3f97c29f37b8780968afdc789d81375f7fad0"`
Dec 06 10:55:51.828 INFO [stdout] 28ab53f286fbce65951f5219bce3f97c29f37b8780968afdc789d81375f7fad0
Dec 06 10:55:51.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 10:55:52.080 INFO [stdout] 9c29ca32b1490ee0d47533e45662d8889eb796868dd310c51716cf244fe169ba
Dec 06 10:55:52.080 INFO running `"docker" "start" "-a" "9c29ca32b1490ee0d47533e45662d8889eb796868dd310c51716cf244fe169ba"`
Dec 06 10:55:52.464 INFO [stderr] usermod: no changes
Dec 06 10:55:52.489 INFO [stderr]    Compiling letter-pair v0.1.0 (/source)
Dec 06 10:55:52.856 INFO [stderr] warning: unused variable: `wheel_max_len`
Dec 06 10:55:52.856 INFO [stderr]   --> src/main.rs:74:9
Dec 06 10:55:52.856 INFO [stderr]    |
Dec 06 10:55:52.856 INFO [stderr] 74 |     let wheel_max_len = 8;
Dec 06 10:55:52.856 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_wheel_max_len` instead
Dec 06 10:55:52.856 INFO [stderr]    |
Dec 06 10:55:52.856 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:55:52.856 INFO [stderr] 
Dec 06 10:55:53.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 06 10:55:53.098 INFO [stderr] su: No module specific data is present
Dec 06 10:55:53.303 INFO running `"docker" "inspect" "9c29ca32b1490ee0d47533e45662d8889eb796868dd310c51716cf244fe169ba"`
Dec 06 10:55:53.394 INFO running `"docker" "rm" "-f" "9c29ca32b1490ee0d47533e45662d8889eb796868dd310c51716cf244fe169ba"`
Dec 06 10:55:53.469 INFO [stdout] 9c29ca32b1490ee0d47533e45662d8889eb796868dd310c51716cf244fe169ba
Dec 06 10:55:53.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 10:55:53.653 INFO [stdout] c01390428c87b095393cc2e9d6fe95d8e43e979791434bc8bbe44eb181f7aaa4
Dec 06 10:55:53.655 INFO running `"docker" "start" "-a" "c01390428c87b095393cc2e9d6fe95d8e43e979791434bc8bbe44eb181f7aaa4"`
Dec 06 10:55:54.039 INFO [stderr] usermod: no changes
Dec 06 10:55:54.067 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 10:55:54.067 INFO [stderr]      Running /target/debug/deps/letter_pair-21992ba558584c36
Dec 06 10:55:54.069 INFO [stdout] 
Dec 06 10:55:54.069 INFO [stdout] running 0 tests
Dec 06 10:55:54.069 INFO [stdout] 
Dec 06 10:55:54.069 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 10:55:54.069 INFO [stdout] 
Dec 06 10:55:54.071 INFO [stderr] su: No module specific data is present
Dec 06 10:55:54.376 INFO running `"docker" "inspect" "c01390428c87b095393cc2e9d6fe95d8e43e979791434bc8bbe44eb181f7aaa4"`
Dec 06 10:55:54.619 INFO running `"docker" "rm" "-f" "c01390428c87b095393cc2e9d6fe95d8e43e979791434bc8bbe44eb181f7aaa4"`
Dec 06 10:55:54.864 INFO [stdout] c01390428c87b095393cc2e9d6fe95d8e43e979791434bc8bbe44eb181f7aaa4