Nov 17 16:34:53.992 INFO testing BookOwl/trusty against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 16:34:53.992 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16:34:54.247 INFO [stdout] 90c2c4a9e0ca335f538c1c390dfe0e2a56c72249cad963351b12c724c621326a
Nov 17 16:34:54.249 INFO running `"docker" "start" "-a" "90c2c4a9e0ca335f538c1c390dfe0e2a56c72249cad963351b12c724c621326a"`
Nov 17 16:34:54.712 INFO [stderr] usermod: no changes
Nov 17 16:34:54.758 INFO [stderr]    Compiling left-pad v1.0.1
Nov 17 16:34:54.758 INFO [stderr]    Compiling termion v1.1.4
Nov 17 16:34:56.327 INFO [stderr]    Compiling trusty v0.1.0 (/source)
Nov 17 16:34:56.815 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:34:56.815 INFO [stderr]   --> src/backend.rs:62:17
Nov 17 16:34:56.815 INFO [stderr]    |
Nov 17 16:34:56.815 INFO [stderr] 62 |             let mut buf = self.current_buffer_mut();
Nov 17 16:34:56.815 INFO [stderr]    |                 ----^^^
Nov 17 16:34:56.815 INFO [stderr]    |                 |
Nov 17 16:34:56.815 INFO [stderr]    |                 help: remove this `mut`
Nov 17 16:34:56.815 INFO [stderr]    |
Nov 17 16:34:56.815 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 16:34:56.815 INFO [stderr] 
Nov 17 16:34:56.815 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:34:56.815 INFO [stderr]   --> src/backend.rs:66:13
Nov 17 16:34:56.815 INFO [stderr]    |
Nov 17 16:34:56.815 INFO [stderr] 66 |         let mut cursor = self.cursor_mut();
Nov 17 16:34:56.815 INFO [stderr]    |             ----^^^^^^
Nov 17 16:34:56.815 INFO [stderr]    |             |
Nov 17 16:34:56.815 INFO [stderr]    |             help: remove this `mut`
Nov 17 16:34:56.815 INFO [stderr] 
Nov 17 16:34:58.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
Nov 17 16:34:58.358 INFO [stderr] su: No module specific data is present
Nov 17 16:34:58.955 INFO running `"docker" "inspect" "90c2c4a9e0ca335f538c1c390dfe0e2a56c72249cad963351b12c724c621326a"`
Nov 17 16:34:59.178 INFO running `"docker" "rm" "-f" "90c2c4a9e0ca335f538c1c390dfe0e2a56c72249cad963351b12c724c621326a"`
Nov 17 16:34:59.323 INFO [stdout] 90c2c4a9e0ca335f538c1c390dfe0e2a56c72249cad963351b12c724c621326a
Nov 17 16:34:59.327 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16:34:59.772 INFO [stdout] fe8adf691e55c8a42de82b7c5ca06e998ec26a239de2436bdfe0100d759ce8e8
Nov 17 16:34:59.777 INFO running `"docker" "start" "-a" "fe8adf691e55c8a42de82b7c5ca06e998ec26a239de2436bdfe0100d759ce8e8"`
Nov 17 16:35:00.963 INFO [stderr] usermod: no changes
Nov 17 16:35:01.008 INFO [stderr]    Compiling trusty v0.1.0 (/source)
Nov 17 16:35:02.087 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:35:02.087 INFO [stderr]   --> src/backend.rs:62:17
Nov 17 16:35:02.087 INFO [stderr]    |
Nov 17 16:35:02.088 INFO [stderr] 62 |             let mut buf = self.current_buffer_mut();
Nov 17 16:35:02.088 INFO [stderr]    |                 ----^^^
Nov 17 16:35:02.088 INFO [stderr]    |                 |
Nov 17 16:35:02.089 INFO [stderr]    |                 help: remove this `mut`
Nov 17 16:35:02.089 INFO [stderr]    |
Nov 17 16:35:02.089 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 16:35:02.089 INFO [stderr] 
Nov 17 16:35:02.090 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:35:02.090 INFO [stderr]   --> src/backend.rs:66:13
Nov 17 16:35:02.090 INFO [stderr]    |
Nov 17 16:35:02.090 INFO [stderr] 66 |         let mut cursor = self.cursor_mut();
Nov 17 16:35:02.091 INFO [stderr]    |             ----^^^^^^
Nov 17 16:35:02.091 INFO [stderr]    |             |
Nov 17 16:35:02.091 INFO [stderr]    |             help: remove this `mut`
Nov 17 16:35:02.092 INFO [stderr] 
Nov 17 16:35:02.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Nov 17 16:35:02.495 INFO [stderr] su: No module specific data is present
Nov 17 16:35:03.031 INFO running `"docker" "inspect" "fe8adf691e55c8a42de82b7c5ca06e998ec26a239de2436bdfe0100d759ce8e8"`
Nov 17 16:35:03.267 INFO running `"docker" "rm" "-f" "fe8adf691e55c8a42de82b7c5ca06e998ec26a239de2436bdfe0100d759ce8e8"`
Nov 17 16:35:03.619 INFO [stdout] fe8adf691e55c8a42de82b7c5ca06e998ec26a239de2436bdfe0100d759ce8e8
Nov 17 16:35:03.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16:35:04.159 INFO [stdout] 6104103c362c035bc6a98e9133e315ed2bea227a762bdf370cfec79d67db8680
Nov 17 16:35:04.161 INFO running `"docker" "start" "-a" "6104103c362c035bc6a98e9133e315ed2bea227a762bdf370cfec79d67db8680"`
Nov 17 16:35:04.851 INFO [stderr] usermod: no changes
Nov 17 16:35:04.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 16:35:04.892 INFO [stderr]      Running /target/debug/deps/trusty-324a3d4707a14642
Nov 17 16:35:04.894 INFO [stdout] 
Nov 17 16:35:04.894 INFO [stdout] running 0 tests
Nov 17 16:35:04.894 INFO [stdout] 
Nov 17 16:35:04.894 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:35:04.894 INFO [stdout] 
Nov 17 16:35:04.896 INFO [stderr]      Running /target/debug/deps/trusty-306b02584789a582
Nov 17 16:35:04.900 INFO [stdout] 
Nov 17 16:35:04.900 INFO [stdout] running 0 tests
Nov 17 16:35:04.900 INFO [stdout] 
Nov 17 16:35:04.900 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:35:04.900 INFO [stdout] 
Nov 17 16:35:04.901 INFO [stderr]    Doc-tests trusty
Nov 17 16:35:05.540 INFO [stdout] 
Nov 17 16:35:05.540 INFO [stdout] running 0 tests
Nov 17 16:35:05.540 INFO [stdout] 
Nov 17 16:35:05.540 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:35:05.540 INFO [stdout] 
Nov 17 16:35:05.551 INFO [stderr] su: No module specific data is present
Nov 17 16:35:06.541 INFO running `"docker" "inspect" "6104103c362c035bc6a98e9133e315ed2bea227a762bdf370cfec79d67db8680"`
Nov 17 16:35:06.803 INFO running `"docker" "rm" "-f" "6104103c362c035bc6a98e9133e315ed2bea227a762bdf370cfec79d67db8680"`
Nov 17 16:35:07.022 INFO [stdout] 6104103c362c035bc6a98e9133e315ed2bea227a762bdf370cfec79d67db8680