Nov 17 16:34:53.726 INFO testing BookOwl/trusty against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 16:34:53.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 16:34:54.075 INFO [stdout] 44a9669130eaefc8c6027ac49d2e6117e2cc7e2e7cb30aaa4d0ab9202d44834e
Nov 17 16:34:54.083 INFO running `"docker" "start" "-a" "44a9669130eaefc8c6027ac49d2e6117e2cc7e2e7cb30aaa4d0ab9202d44834e"`
Nov 17 16:34:54.547 INFO [stderr] usermod: no changes
Nov 17 16:34:54.575 INFO [stderr]    Compiling left-pad v1.0.1
Nov 17 16:34:54.951 INFO [stderr]    Compiling trusty v0.1.0 (/source)
Nov 17 16:34:55.515 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:34:55.515 INFO [stderr]   --> src/backend.rs:62:17
Nov 17 16:34:55.515 INFO [stderr]    |
Nov 17 16:34:55.515 INFO [stderr] 62 |             let mut buf = self.current_buffer_mut();
Nov 17 16:34:55.515 INFO [stderr]    |                 ----^^^
Nov 17 16:34:55.515 INFO [stderr]    |                 |
Nov 17 16:34:55.515 INFO [stderr]    |                 help: remove this `mut`
Nov 17 16:34:55.515 INFO [stderr]    |
Nov 17 16:34:55.515 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 16:34:55.515 INFO [stderr] 
Nov 17 16:34:55.515 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:34:55.515 INFO [stderr]   --> src/backend.rs:66:13
Nov 17 16:34:55.515 INFO [stderr]    |
Nov 17 16:34:55.515 INFO [stderr] 66 |         let mut cursor = self.cursor_mut();
Nov 17 16:34:55.515 INFO [stderr]    |             ----^^^^^^
Nov 17 16:34:55.515 INFO [stderr]    |             |
Nov 17 16:34:55.515 INFO [stderr]    |             help: remove this `mut`
Nov 17 16:34:55.515 INFO [stderr] 
Nov 17 16:34:57.210 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
Nov 17 16:34:57.214 INFO [stderr] su: No module specific data is present
Nov 17 16:34:57.764 INFO running `"docker" "inspect" "44a9669130eaefc8c6027ac49d2e6117e2cc7e2e7cb30aaa4d0ab9202d44834e"`
Nov 17 16:34:57.961 INFO running `"docker" "rm" "-f" "44a9669130eaefc8c6027ac49d2e6117e2cc7e2e7cb30aaa4d0ab9202d44834e"`
Nov 17 16:34:58.107 INFO [stdout] 44a9669130eaefc8c6027ac49d2e6117e2cc7e2e7cb30aaa4d0ab9202d44834e
Nov 17 16:34:58.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 16:34:58.422 INFO [stdout] 409766dc82e3be7fa8760cf71bc33f1e19efebf48d127ad519c57812abdf8edb
Nov 17 16:34:58.426 INFO running `"docker" "start" "-a" "409766dc82e3be7fa8760cf71bc33f1e19efebf48d127ad519c57812abdf8edb"`
Nov 17 16:34:59.216 INFO [stderr] usermod: no changes
Nov 17 16:34:59.271 INFO [stderr]    Compiling trusty v0.1.0 (/source)
Nov 17 16:35:00.257 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:35:00.258 INFO [stderr]   --> src/backend.rs:62:17
Nov 17 16:35:00.258 INFO [stderr]    |
Nov 17 16:35:00.258 INFO [stderr] 62 |             let mut buf = self.current_buffer_mut();
Nov 17 16:35:00.259 INFO [stderr]    |                 ----^^^
Nov 17 16:35:00.260 INFO [stderr]    |                 |
Nov 17 16:35:00.260 INFO [stderr]    |                 help: remove this `mut`
Nov 17 16:35:00.261 INFO [stderr]    |
Nov 17 16:35:00.261 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 16:35:00.261 INFO [stderr] 
Nov 17 16:35:00.261 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:35:00.262 INFO [stderr]   --> src/backend.rs:66:13
Nov 17 16:35:00.262 INFO [stderr]    |
Nov 17 16:35:00.262 INFO [stderr] 66 |         let mut cursor = self.cursor_mut();
Nov 17 16:35:00.278 INFO [stderr]    |             ----^^^^^^
Nov 17 16:35:00.279 INFO [stderr]    |             |
Nov 17 16:35:00.279 INFO [stderr]    |             help: remove this `mut`
Nov 17 16:35:00.280 INFO [stderr] 
Nov 17 16:35:00.814 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Nov 17 16:35:00.815 INFO [stderr] su: No module specific data is present
Nov 17 16:35:01.446 INFO running `"docker" "inspect" "409766dc82e3be7fa8760cf71bc33f1e19efebf48d127ad519c57812abdf8edb"`
Nov 17 16:35:01.791 INFO running `"docker" "rm" "-f" "409766dc82e3be7fa8760cf71bc33f1e19efebf48d127ad519c57812abdf8edb"`
Nov 17 16:35:02.092 INFO [stdout] 409766dc82e3be7fa8760cf71bc33f1e19efebf48d127ad519c57812abdf8edb
Nov 17 16:35:02.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 16:35:02.609 INFO [stdout] 5baf4ad845ad1b49d7c886af9224bb86772f9180282e15ef5c36718e1400eb62
Nov 17 16:35:02.612 INFO running `"docker" "start" "-a" "5baf4ad845ad1b49d7c886af9224bb86772f9180282e15ef5c36718e1400eb62"`
Nov 17 16:35:04.039 INFO [stderr] usermod: no changes
Nov 17 16:35:04.080 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 16:35:04.086 INFO [stderr]      Running /target/debug/deps/trusty-80c0868ad6da6fbb
Nov 17 16:35:04.088 INFO [stdout] 
Nov 17 16:35:04.088 INFO [stdout] running 0 tests
Nov 17 16:35:04.088 INFO [stdout] 
Nov 17 16:35:04.088 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:35:04.088 INFO [stdout] 
Nov 17 16:35:04.092 INFO [stderr]      Running /target/debug/deps/trusty-10c158a82a0308d5
Nov 17 16:35:04.092 INFO [stdout] 
Nov 17 16:35:04.092 INFO [stdout] running 0 tests
Nov 17 16:35:04.092 INFO [stdout] 
Nov 17 16:35:04.092 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:35:04.092 INFO [stdout] 
Nov 17 16:35:04.093 INFO [stderr]    Doc-tests trusty
Nov 17 16:35:04.698 INFO [stdout] 
Nov 17 16:35:04.698 INFO [stdout] running 0 tests
Nov 17 16:35:04.698 INFO [stdout] 
Nov 17 16:35:04.698 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:35:04.698 INFO [stdout] 
Nov 17 16:35:04.706 INFO [stderr] su: No module specific data is present
Nov 17 16:35:05.043 INFO running `"docker" "inspect" "5baf4ad845ad1b49d7c886af9224bb86772f9180282e15ef5c36718e1400eb62"`
Nov 17 16:35:05.201 INFO running `"docker" "rm" "-f" "5baf4ad845ad1b49d7c886af9224bb86772f9180282e15ef5c36718e1400eb62"`
Nov 17 16:35:05.443 INFO [stdout] 5baf4ad845ad1b49d7c886af9224bb86772f9180282e15ef5c36718e1400eb62