Dec 14 11:49:25.820 INFO testing BookOwl/trusty against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 11:49:25.820 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 14 11:49:26.323 INFO [stdout] 0eace0ec903e1d58b213d666a28267c86832208e985da4dcff0d71c83b8a3e31
Dec 14 11:49:26.325 INFO running `"docker" "start" "-a" "0eace0ec903e1d58b213d666a28267c86832208e985da4dcff0d71c83b8a3e31"`
Dec 14 11:49:27.591 INFO [stderr] usermod: no changes
Dec 14 11:49:27.635 INFO [stderr]    Compiling left-pad v1.0.1
Dec 14 11:49:27.639 INFO [stderr]    Compiling termion v1.1.4
Dec 14 11:49:29.263 INFO [stderr]    Compiling trusty v0.1.0 (/source)
Dec 14 11:49:29.939 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:49:29.939 INFO [stderr]   --> src/backend.rs:62:17
Dec 14 11:49:29.939 INFO [stderr]    |
Dec 14 11:49:29.939 INFO [stderr] 62 |             let mut buf = self.current_buffer_mut();
Dec 14 11:49:29.939 INFO [stderr]    |                 ----^^^
Dec 14 11:49:29.939 INFO [stderr]    |                 |
Dec 14 11:49:29.939 INFO [stderr]    |                 help: remove this `mut`
Dec 14 11:49:29.939 INFO [stderr]    |
Dec 14 11:49:29.939 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 11:49:29.939 INFO [stderr] 
Dec 14 11:49:29.939 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:49:29.939 INFO [stderr]   --> src/backend.rs:66:13
Dec 14 11:49:29.939 INFO [stderr]    |
Dec 14 11:49:29.939 INFO [stderr] 66 |         let mut cursor = self.cursor_mut();
Dec 14 11:49:29.939 INFO [stderr]    |             ----^^^^^^
Dec 14 11:49:29.939 INFO [stderr]    |             |
Dec 14 11:49:29.939 INFO [stderr]    |             help: remove this `mut`
Dec 14 11:49:29.939 INFO [stderr] 
Dec 14 11:49:32.147 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
Dec 14 11:49:32.163 INFO [stderr] su: No module specific data is present
Dec 14 11:49:32.829 INFO running `"docker" "inspect" "0eace0ec903e1d58b213d666a28267c86832208e985da4dcff0d71c83b8a3e31"`
Dec 14 11:49:33.093 INFO running `"docker" "rm" "-f" "0eace0ec903e1d58b213d666a28267c86832208e985da4dcff0d71c83b8a3e31"`
Dec 14 11:49:33.362 INFO [stdout] 0eace0ec903e1d58b213d666a28267c86832208e985da4dcff0d71c83b8a3e31
Dec 14 11:49:33.369 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 14 11:49:33.855 INFO [stdout] 0b2dd1f0e09cba1f036911db72875c67250f8240fc87828b4aa86f1bcc2f7b45
Dec 14 11:49:33.860 INFO running `"docker" "start" "-a" "0b2dd1f0e09cba1f036911db72875c67250f8240fc87828b4aa86f1bcc2f7b45"`
Dec 14 11:49:35.296 INFO [stderr] usermod: no changes
Dec 14 11:49:35.383 INFO [stderr]    Compiling trusty v0.1.0 (/source)
Dec 14 11:49:36.219 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:49:36.219 INFO [stderr]   --> src/backend.rs:62:17
Dec 14 11:49:36.219 INFO [stderr]    |
Dec 14 11:49:36.219 INFO [stderr] 62 |             let mut buf = self.current_buffer_mut();
Dec 14 11:49:36.219 INFO [stderr]    |                 ----^^^
Dec 14 11:49:36.219 INFO [stderr]    |                 |
Dec 14 11:49:36.219 INFO [stderr]    |                 help: remove this `mut`
Dec 14 11:49:36.219 INFO [stderr]    |
Dec 14 11:49:36.219 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 11:49:36.219 INFO [stderr] 
Dec 14 11:49:36.219 INFO [stderr] warning: variable does not need to be mutable
Dec 14 11:49:36.219 INFO [stderr]   --> src/backend.rs:66:13
Dec 14 11:49:36.219 INFO [stderr]    |
Dec 14 11:49:36.219 INFO [stderr] 66 |         let mut cursor = self.cursor_mut();
Dec 14 11:49:36.219 INFO [stderr]    |             ----^^^^^^
Dec 14 11:49:36.219 INFO [stderr]    |             |
Dec 14 11:49:36.219 INFO [stderr]    |             help: remove this `mut`
Dec 14 11:49:36.219 INFO [stderr] 
Dec 14 11:49:36.668 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 14 11:49:36.672 INFO [stderr] su: No module specific data is present
Dec 14 11:49:36.991 INFO running `"docker" "inspect" "0b2dd1f0e09cba1f036911db72875c67250f8240fc87828b4aa86f1bcc2f7b45"`
Dec 14 11:49:37.104 INFO running `"docker" "rm" "-f" "0b2dd1f0e09cba1f036911db72875c67250f8240fc87828b4aa86f1bcc2f7b45"`
Dec 14 11:49:37.217 INFO [stdout] 0b2dd1f0e09cba1f036911db72875c67250f8240fc87828b4aa86f1bcc2f7b45
Dec 14 11:49:37.221 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 14 11:49:37.393 INFO [stdout] 26949bb35fe56b9df3755b02ad955e99d3703ed9f9fd539b75fd6547edbcd840
Dec 14 11:49:37.395 INFO running `"docker" "start" "-a" "26949bb35fe56b9df3755b02ad955e99d3703ed9f9fd539b75fd6547edbcd840"`
Dec 14 11:49:38.022 INFO [stderr] usermod: no changes
Dec 14 11:49:38.054 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 11:49:38.054 INFO [stderr]      Running /target/debug/deps/trusty-5cc72a9ead8c6360
Dec 14 11:49:38.058 INFO [stderr]      Running /target/debug/deps/trusty-9a78a4daaae5ae4d
Dec 14 11:49:38.058 INFO [stdout] 
Dec 14 11:49:38.058 INFO [stdout] running 0 tests
Dec 14 11:49:38.058 INFO [stdout] 
Dec 14 11:49:38.058 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:49:38.058 INFO [stdout] 
Dec 14 11:49:38.058 INFO [stdout] 
Dec 14 11:49:38.058 INFO [stdout] running 0 tests
Dec 14 11:49:38.058 INFO [stdout] 
Dec 14 11:49:38.058 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:49:38.058 INFO [stdout] 
Dec 14 11:49:38.061 INFO [stderr]    Doc-tests trusty
Dec 14 11:49:38.887 INFO [stdout] 
Dec 14 11:49:38.887 INFO [stdout] running 0 tests
Dec 14 11:49:38.887 INFO [stdout] 
Dec 14 11:49:38.887 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:49:38.887 INFO [stdout] 
Dec 14 11:49:38.891 INFO [stderr] su: No module specific data is present
Dec 14 11:49:39.624 INFO running `"docker" "inspect" "26949bb35fe56b9df3755b02ad955e99d3703ed9f9fd539b75fd6547edbcd840"`
Dec 14 11:49:39.877 INFO running `"docker" "rm" "-f" "26949bb35fe56b9df3755b02ad955e99d3703ed9f9fd539b75fd6547edbcd840"`
Dec 14 11:49:40.252 INFO [stdout] 26949bb35fe56b9df3755b02ad955e99d3703ed9f9fd539b75fd6547edbcd840