Dec 13 15:06:40.823 INFO testing jonny7/rust-references against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 15:06:40.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 15:06:41.293 INFO [stdout] a73a4681f02955415071968ec880cdc65965a72ef594b81a02dbcf6513108811
Dec 13 15:06:41.295 INFO running `"docker" "start" "-a" "a73a4681f02955415071968ec880cdc65965a72ef594b81a02dbcf6513108811"`
Dec 13 15:06:43.151 INFO [stderr] usermod: no changes
Dec 13 15:06:43.231 INFO [stderr]    Compiling references v0.1.0 (/source)
Dec 13 15:06:43.579 INFO [stderr] warning: unused variable: `r1`
Dec 13 15:06:43.579 INFO [stderr]   --> src/main.rs:23:13
Dec 13 15:06:43.579 INFO [stderr]    |
Dec 13 15:06:43.579 INFO [stderr] 23 |         let r1 = &mut t;
Dec 13 15:06:43.579 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 13 15:06:43.579 INFO [stderr]    |
Dec 13 15:06:43.579 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 15:06:43.579 INFO [stderr] 
Dec 13 15:06:43.579 INFO [stderr] warning: unused variable: `r2`
Dec 13 15:06:43.579 INFO [stderr]   --> src/main.rs:27:9
Dec 13 15:06:43.579 INFO [stderr]    |
Dec 13 15:06:43.579 INFO [stderr] 27 |     let r2 = &mut t;
Dec 13 15:06:43.579 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 13 15:06:43.579 INFO [stderr] 
Dec 13 15:06:44.083 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 13 15:06:44.083 INFO [stderr] su: No module specific data is present
Dec 13 15:06:44.676 INFO running `"docker" "inspect" "a73a4681f02955415071968ec880cdc65965a72ef594b81a02dbcf6513108811"`
Dec 13 15:06:44.979 INFO running `"docker" "rm" "-f" "a73a4681f02955415071968ec880cdc65965a72ef594b81a02dbcf6513108811"`
Dec 13 15:06:45.339 INFO [stdout] a73a4681f02955415071968ec880cdc65965a72ef594b81a02dbcf6513108811
Dec 13 15:06:45.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 15:06:45.911 INFO [stdout] f377efefc6980a683b44b97de74fab7a0fb7d8cd2b7a6a1d62a023e2722b3ff4
Dec 13 15:06:45.913 INFO running `"docker" "start" "-a" "f377efefc6980a683b44b97de74fab7a0fb7d8cd2b7a6a1d62a023e2722b3ff4"`
Dec 13 15:06:47.143 INFO [stderr] usermod: no changes
Dec 13 15:06:47.207 INFO [stderr]    Compiling references v0.1.0 (/source)
Dec 13 15:06:47.627 INFO [stderr] warning: unused variable: `r1`
Dec 13 15:06:47.627 INFO [stderr]   --> src/main.rs:23:13
Dec 13 15:06:47.627 INFO [stderr]    |
Dec 13 15:06:47.627 INFO [stderr] 23 |         let r1 = &mut t;
Dec 13 15:06:47.627 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 13 15:06:47.627 INFO [stderr]    |
Dec 13 15:06:47.627 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 15:06:47.627 INFO [stderr] 
Dec 13 15:06:47.627 INFO [stderr] warning: unused variable: `r2`
Dec 13 15:06:47.627 INFO [stderr]   --> src/main.rs:27:9
Dec 13 15:06:47.627 INFO [stderr]    |
Dec 13 15:06:47.627 INFO [stderr] 27 |     let r2 = &mut t;
Dec 13 15:06:47.627 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 13 15:06:47.627 INFO [stderr] 
Dec 13 15:06:48.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 13 15:06:48.020 INFO [stderr] su: No module specific data is present
Dec 13 15:06:48.608 INFO running `"docker" "inspect" "f377efefc6980a683b44b97de74fab7a0fb7d8cd2b7a6a1d62a023e2722b3ff4"`
Dec 13 15:06:48.853 INFO running `"docker" "rm" "-f" "f377efefc6980a683b44b97de74fab7a0fb7d8cd2b7a6a1d62a023e2722b3ff4"`
Dec 13 15:06:49.163 INFO [stdout] f377efefc6980a683b44b97de74fab7a0fb7d8cd2b7a6a1d62a023e2722b3ff4
Dec 13 15:06:49.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 15:06:49.591 INFO [stdout] 793d56ecaebadfcc50d58c220f5bd43ad4ed007aef3dbb4c4db302e5d4e8d092
Dec 13 15:06:49.596 INFO running `"docker" "start" "-a" "793d56ecaebadfcc50d58c220f5bd43ad4ed007aef3dbb4c4db302e5d4e8d092"`
Dec 13 15:06:50.567 INFO [stderr] usermod: no changes
Dec 13 15:06:50.613 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 15:06:50.617 INFO [stderr]      Running /target/debug/deps/references-bb87cea943d754c1
Dec 13 15:06:50.625 INFO [stdout] 
Dec 13 15:06:50.625 INFO [stdout] running 0 tests
Dec 13 15:06:50.625 INFO [stdout] 
Dec 13 15:06:50.625 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 15:06:50.625 INFO [stdout] 
Dec 13 15:06:50.630 INFO [stderr] su: No module specific data is present
Dec 13 15:06:51.069 INFO running `"docker" "inspect" "793d56ecaebadfcc50d58c220f5bd43ad4ed007aef3dbb4c4db302e5d4e8d092"`
Dec 13 15:06:51.168 INFO running `"docker" "rm" "-f" "793d56ecaebadfcc50d58c220f5bd43ad4ed007aef3dbb4c4db302e5d4e8d092"`
Dec 13 15:06:51.261 INFO [stdout] 793d56ecaebadfcc50d58c220f5bd43ad4ed007aef3dbb4c4db302e5d4e8d092