[INFO] crate linux-perf-file-reader 0.1.0 is already in cache
[INFO] extracting crate linux-perf-file-reader 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linux-perf-file-reader/0.1.0
[INFO] extracting crate linux-perf-file-reader 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/linux-perf-file-reader/0.1.0
[INFO] validating manifest of linux-perf-file-reader-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of linux-perf-file-reader-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing linux-perf-file-reader-0.1.0
[INFO] finished frobbing linux-perf-file-reader-0.1.0
[INFO] frobbed toml for linux-perf-file-reader-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/linux-perf-file-reader/0.1.0/Cargo.toml
[INFO] started frobbing linux-perf-file-reader-0.1.0
[INFO] finished frobbing linux-perf-file-reader-0.1.0
[INFO] frobbed toml for linux-perf-file-reader-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/linux-perf-file-reader/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building linux-perf-file-reader-0.1.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 9230553f50911c6622601b3c06ca2dd2b4fa813e4262b143dee86c6407c3844b
[INFO] running `"docker" "start" "-a" "9230553f50911c6622601b3c06ca2dd2b4fa813e4262b143dee86c6407c3844b"`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling linux-perf-file-reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:547:15
[INFO] [stderr]     |
[INFO] [stderr] 547 |       return Ok((Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[INFO] [stderr]     |  _______________^
[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}));
[INFO] [stderr]     | |__________________________________________________________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 547 |     return Ok(Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[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});
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut slice = slice::from_raw_parts_mut(mem::transmute(&mut t), size);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "9230553f50911c6622601b3c06ca2dd2b4fa813e4262b143dee86c6407c3844b"`
[INFO] running `"docker" "rm" "-f" "9230553f50911c6622601b3c06ca2dd2b4fa813e4262b143dee86c6407c3844b"`
[INFO] [stdout] 9230553f50911c6622601b3c06ca2dd2b4fa813e4262b143dee86c6407c3844b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 94288ad1b6079d7b5dc3fee46d55d6880a0920c312cd05fb805aad535366a8c6
[INFO] running `"docker" "start" "-a" "94288ad1b6079d7b5dc3fee46d55d6880a0920c312cd05fb805aad535366a8c6"`
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling linux-perf-file-reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:547:15
[INFO] [stderr]     |
[INFO] [stderr] 547 |       return Ok((Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[INFO] [stderr]     |  _______________^
[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}));
[INFO] [stderr]     | |__________________________________________________________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 547 |     return Ok(Info{hostname: hostname, os_release: os_release, tools_version: tools_version,
[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});
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:386:13
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut slice = slice::from_raw_parts_mut(mem::transmute(&mut t), size);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "94288ad1b6079d7b5dc3fee46d55d6880a0920c312cd05fb805aad535366a8c6"`
[INFO] running `"docker" "rm" "-f" "94288ad1b6079d7b5dc3fee46d55d6880a0920c312cd05fb805aad535366a8c6"`
[INFO] [stdout] 94288ad1b6079d7b5dc3fee46d55d6880a0920c312cd05fb805aad535366a8c6