Dec 06 05:38:54.805 INFO testing benlakey/rust_learning against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 05:38:54.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05:38:55.215 INFO [stdout] 7c25e7a5323b7db301480dd17a2dd54f77e6c6eb66e2b507747c580e71bb660d
Dec 06 05:38:55.217 INFO running `"docker" "start" "-a" "7c25e7a5323b7db301480dd17a2dd54f77e6c6eb66e2b507747c580e71bb660d"`
Dec 06 05:38:56.538 INFO [stderr] usermod: no changes
Dec 06 05:38:56.624 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 06 05:38:57.181 INFO [stderr] warning: enum is never used: `Foo`
Dec 06 05:38:57.181 INFO [stderr]    --> src/main.rs:142:5
Dec 06 05:38:57.181 INFO [stderr]     |
Dec 06 05:38:57.181 INFO [stderr] 142 |     enum Foo {
Dec 06 05:38:57.181 INFO [stderr]     |     ^^^^^^^^
Dec 06 05:38:57.181 INFO [stderr]     |
Dec 06 05:38:57.181 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 05:38:57.181 INFO [stderr] 
Dec 06 05:38:57.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 06 05:38:57.532 INFO [stderr] su: No module specific data is present
Dec 06 05:38:58.805 INFO running `"docker" "inspect" "7c25e7a5323b7db301480dd17a2dd54f77e6c6eb66e2b507747c580e71bb660d"`
Dec 06 05:38:59.204 INFO running `"docker" "rm" "-f" "7c25e7a5323b7db301480dd17a2dd54f77e6c6eb66e2b507747c580e71bb660d"`
Dec 06 05:38:59.588 INFO [stdout] 7c25e7a5323b7db301480dd17a2dd54f77e6c6eb66e2b507747c580e71bb660d
Dec 06 05:38:59.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05:38:59.980 INFO [stdout] 0e4bdc0bc9bf92c93b3c94fc8ba6b106453e7d90c2fdc549a763c321885d29ca
Dec 06 05:38:59.982 INFO running `"docker" "start" "-a" "0e4bdc0bc9bf92c93b3c94fc8ba6b106453e7d90c2fdc549a763c321885d29ca"`
Dec 06 05:39:01.801 INFO [stderr] usermod: no changes
Dec 06 05:39:01.916 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 06 05:39:02.392 INFO [stderr] warning: enum is never used: `Foo`
Dec 06 05:39:02.392 INFO [stderr]    --> src/main.rs:142:5
Dec 06 05:39:02.392 INFO [stderr]     |
Dec 06 05:39:02.392 INFO [stderr] 142 |     enum Foo {
Dec 06 05:39:02.392 INFO [stderr]     |     ^^^^^^^^
Dec 06 05:39:02.392 INFO [stderr]     |
Dec 06 05:39:02.392 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 05:39:02.392 INFO [stderr] 
Dec 06 05:39:02.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 06 05:39:02.848 INFO [stderr] su: No module specific data is present
Dec 06 05:39:03.620 INFO running `"docker" "inspect" "0e4bdc0bc9bf92c93b3c94fc8ba6b106453e7d90c2fdc549a763c321885d29ca"`
Dec 06 05:39:03.690 INFO running `"docker" "rm" "-f" "0e4bdc0bc9bf92c93b3c94fc8ba6b106453e7d90c2fdc549a763c321885d29ca"`
Dec 06 05:39:03.784 INFO [stdout] 0e4bdc0bc9bf92c93b3c94fc8ba6b106453e7d90c2fdc549a763c321885d29ca
Dec 06 05:39:03.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05:39:03.975 INFO [stdout] 20b2db0a7c99552a544286de8b700af57b8565972f40f53db4b4a84cc4dd3d0c
Dec 06 05:39:03.977 INFO running `"docker" "start" "-a" "20b2db0a7c99552a544286de8b700af57b8565972f40f53db4b4a84cc4dd3d0c"`
Dec 06 05:39:04.381 INFO [stderr] usermod: no changes
Dec 06 05:39:04.403 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 06 05:39:04.403 INFO [stderr]      Running /target/debug/deps/hello_world-3e6d097c80a55041
Dec 06 05:39:04.404 INFO [stdout] 
Dec 06 05:39:04.404 INFO [stdout] running 0 tests
Dec 06 05:39:04.404 INFO [stdout] 
Dec 06 05:39:04.404 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 05:39:04.404 INFO [stdout] 
Dec 06 05:39:04.405 INFO [stderr] su: No module specific data is present
Dec 06 05:39:04.662 INFO running `"docker" "inspect" "20b2db0a7c99552a544286de8b700af57b8565972f40f53db4b4a84cc4dd3d0c"`
Dec 06 05:39:04.728 INFO running `"docker" "rm" "-f" "20b2db0a7c99552a544286de8b700af57b8565972f40f53db4b4a84cc4dd3d0c"`
Dec 06 05:39:04.812 INFO [stdout] 20b2db0a7c99552a544286de8b700af57b8565972f40f53db4b4a84cc4dd3d0c