Dec 18 14:20:24.257 INFO checking linux-perf-file-reader-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:20:24.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/linux-perf-file-reader/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:20:24.644 INFO [stdout] af9c9c7a85a25c0118a71142aa404fb33fbffc5b259c8928e6a42bb46d8446fd
Dec 18 14:20:24.646 INFO running `"docker" "start" "-a" "af9c9c7a85a25c0118a71142aa404fb33fbffc5b259c8928e6a42bb46d8446fd"`
Dec 18 14:20:26.018 INFO [stderr]     Checking error-chain v0.10.0
Dec 18 14:20:26.018 INFO [stderr]     Checking env_logger v0.4.3
Dec 18 14:20:26.516 INFO [stderr]     Checking linux-perf-file-reader v0.1.0 (/opt/crater/workdir)
Dec 18 14:20:26.832 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 14:20:26.832 INFO [stderr]    --> src/lib.rs:547:15
Dec 18 14:20:26.832 INFO [stderr]     |
Dec 18 14:20:26.832 INFO [stderr] 547 |       return Ok((Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
Dec 18 14:20:26.832 INFO [stderr]     |  _______________^
Dec 18 14:20:26.832 INFO [stderr] 548 | |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology}));
Dec 18 14:20:26.832 INFO [stderr]     | |__________________________________________________________________________________________________________________________________________________________^
Dec 18 14:20:26.832 INFO [stderr]     |
Dec 18 14:20:26.832 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 14:20:26.832 INFO [stderr] help: remove these parentheses
Dec 18 14:20:26.832 INFO [stderr]     |
Dec 18 14:20:26.832 INFO [stderr] 547 |     return Ok(Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
Dec 18 14:20:26.832 INFO [stderr] 548 |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology});
Dec 18 14:20:26.832 INFO [stderr]     |
Dec 18 14:20:26.832 INFO [stderr] 
Dec 18 14:20:26.861 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 14:20:26.861 INFO [stderr]    --> src/lib.rs:547:15
Dec 18 14:20:26.861 INFO [stderr]     |
Dec 18 14:20:26.861 INFO [stderr] 547 |       return Ok((Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
Dec 18 14:20:26.861 INFO [stderr]     |  _______________^
Dec 18 14:20:26.861 INFO [stderr] 548 | |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology}));
Dec 18 14:20:26.861 INFO [stderr]     | |__________________________________________________________________________________________________________________________________________________________^
Dec 18 14:20:26.861 INFO [stderr]     |
Dec 18 14:20:26.861 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 14:20:26.861 INFO [stderr] help: remove these parentheses
Dec 18 14:20:26.861 INFO [stderr]     |
Dec 18 14:20:26.861 INFO [stderr] 547 |     return Ok(Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
Dec 18 14:20:26.861 INFO [stderr] 548 |         arch: arch, cpu_id: cpu_id, cpu_description: cpu_description, total_memory: total_memory, command_line: command_line, cpu_topology: cpu_topology});
Dec 18 14:20:26.861 INFO [stderr]     |
Dec 18 14:20:26.861 INFO [stderr] 
Dec 18 14:20:27.237 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:20:27.238 INFO [stderr]    --> src/lib.rs:386:13
Dec 18 14:20:27.238 INFO [stderr]     |
Dec 18 14:20:27.238 INFO [stderr] 386 |         let mut slice = slice::from_raw_parts_mut(mem::transmute(&mut t), size);
Dec 18 14:20:27.238 INFO [stderr]     |             ----^^^^^
Dec 18 14:20:27.238 INFO [stderr]     |             |
Dec 18 14:20:27.238 INFO [stderr]     |             help: remove this `mut`
Dec 18 14:20:27.238 INFO [stderr]     |
Dec 18 14:20:27.238 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 14:20:27.238 INFO [stderr] 
Dec 18 14:20:27.276 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:20:27.276 INFO [stderr]    --> src/lib.rs:386:13
Dec 18 14:20:27.276 INFO [stderr]     |
Dec 18 14:20:27.276 INFO [stderr] 386 |         let mut slice = slice::from_raw_parts_mut(mem::transmute(&mut t), size);
Dec 18 14:20:27.276 INFO [stderr]     |             ----^^^^^
Dec 18 14:20:27.276 INFO [stderr]     |             |
Dec 18 14:20:27.276 INFO [stderr]     |             help: remove this `mut`
Dec 18 14:20:27.276 INFO [stderr]     |
Dec 18 14:20:27.276 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 14:20:27.276 INFO [stderr] 
Dec 18 14:20:28.153 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
Dec 18 14:20:28.419 INFO running `"docker" "inspect" "af9c9c7a85a25c0118a71142aa404fb33fbffc5b259c8928e6a42bb46d8446fd"`
Dec 18 14:20:28.540 INFO running `"docker" "rm" "-f" "af9c9c7a85a25c0118a71142aa404fb33fbffc5b259c8928e6a42bb46d8446fd"`
Dec 18 14:20:28.648 INFO [stdout] af9c9c7a85a25c0118a71142aa404fb33fbffc5b259c8928e6a42bb46d8446fd