Dec 06 07:05:13.806 INFO testing amatho/challenges-rs against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:05:13.806 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:05:13.978 INFO [stdout] f9cb47a7225fb839b647f77262355966b9a0aa0ab3e7e108d7eef72814ac54df
Dec 06 07:05:13.982 INFO running `"docker" "start" "-a" "f9cb47a7225fb839b647f77262355966b9a0aa0ab3e7e108d7eef72814ac54df"`
Dec 06 07:05:14.398 INFO [stderr] usermod: no changes
Dec 06 07:05:14.429 INFO [stderr]    Compiling challenges v0.1.0 (/source)
Dec 06 07:05:15.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 06 07:05:15.526 INFO [stderr] su: No module specific data is present
Dec 06 07:05:15.814 INFO running `"docker" "inspect" "f9cb47a7225fb839b647f77262355966b9a0aa0ab3e7e108d7eef72814ac54df"`
Dec 06 07:05:15.867 INFO running `"docker" "rm" "-f" "f9cb47a7225fb839b647f77262355966b9a0aa0ab3e7e108d7eef72814ac54df"`
Dec 06 07:05:15.943 INFO [stdout] f9cb47a7225fb839b647f77262355966b9a0aa0ab3e7e108d7eef72814ac54df
Dec 06 07:05:15.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:05:16.150 INFO [stdout] af8ed2c35e5977954f2d61805b03d2d592781498c0515eff73bad4a4871e03be
Dec 06 07:05:16.152 INFO running `"docker" "start" "-a" "af8ed2c35e5977954f2d61805b03d2d592781498c0515eff73bad4a4871e03be"`
Dec 06 07:05:16.479 INFO [stderr] usermod: no changes
Dec 06 07:05:16.501 INFO [stderr]    Compiling challenges v0.1.0 (/source)
Dec 06 07:05:17.592 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 06 07:05:17.592 INFO [stderr] su: No module specific data is present
Dec 06 07:05:18.190 INFO running `"docker" "inspect" "af8ed2c35e5977954f2d61805b03d2d592781498c0515eff73bad4a4871e03be"`
Dec 06 07:05:18.466 INFO running `"docker" "rm" "-f" "af8ed2c35e5977954f2d61805b03d2d592781498c0515eff73bad4a4871e03be"`
Dec 06 07:05:18.753 INFO [stdout] af8ed2c35e5977954f2d61805b03d2d592781498c0515eff73bad4a4871e03be
Dec 06 07:05:18.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:05:19.142 INFO [stdout] 99e76ff8e43a1c89aafe963cedffae0817c5c0012fd38b0145a521597735085d
Dec 06 07:05:19.144 INFO running `"docker" "start" "-a" "99e76ff8e43a1c89aafe963cedffae0817c5c0012fd38b0145a521597735085d"`
Dec 06 07:05:19.900 INFO [stderr] usermod: no changes
Dec 06 07:05:19.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 07:05:19.935 INFO [stderr]      Running /target/debug/deps/challenges-b93501b3c6a28672
Dec 06 07:05:19.942 INFO [stdout] 
Dec 06 07:05:19.942 INFO [stdout] running 1 test
Dec 06 07:05:19.942 INFO [stdout] test tests::get_middle ... ok
Dec 06 07:05:19.942 INFO [stdout] 
Dec 06 07:05:19.942 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:05:19.942 INFO [stdout] 
Dec 06 07:05:19.943 INFO [stderr]      Running /target/debug/deps/challenges-92692447bef0e5cb
Dec 06 07:05:19.948 INFO [stdout] 
Dec 06 07:05:19.948 INFO [stdout] running 0 tests
Dec 06 07:05:19.948 INFO [stdout] 
Dec 06 07:05:19.948 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:05:19.948 INFO [stdout] 
Dec 06 07:05:19.948 INFO [stderr]    Doc-tests challenges
Dec 06 07:05:20.452 INFO [stdout] 
Dec 06 07:05:20.452 INFO [stdout] running 0 tests
Dec 06 07:05:20.452 INFO [stdout] 
Dec 06 07:05:20.452 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:05:20.452 INFO [stdout] 
Dec 06 07:05:20.457 INFO [stderr] su: No module specific data is present
Dec 06 07:05:20.840 INFO running `"docker" "inspect" "99e76ff8e43a1c89aafe963cedffae0817c5c0012fd38b0145a521597735085d"`
Dec 06 07:05:21.114 INFO running `"docker" "rm" "-f" "99e76ff8e43a1c89aafe963cedffae0817c5c0012fd38b0145a521597735085d"`
Dec 06 07:05:21.344 INFO [stdout] 99e76ff8e43a1c89aafe963cedffae0817c5c0012fd38b0145a521597735085d