[INFO] fetching crate elf 0.0.10...
[INFO] extracting crate elf 0.0.10 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/elf/0.0.10
[INFO] extracting crate elf 0.0.10 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/elf/0.0.10
[INFO] validating manifest of elf-0.0.10 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elf-0.0.10 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elf-0.0.10
[INFO] finished frobbing elf-0.0.10
[INFO] frobbed toml for elf-0.0.10 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/elf/0.0.10/Cargo.toml
[INFO] started frobbing elf-0.0.10
[INFO] finished frobbing elf-0.0.10
[INFO] frobbed toml for elf-0.0.10 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/elf/0.0.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking elf-0.0.10 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/elf/0.0.10:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1edc84f85b993690eff395803b7d88d37396bda4530894f7318d9e0f9dd87759
[INFO] running `"docker" "start" "-a" "1edc84f85b993690eff395803b7d88d37396bda4530894f7318d9e0f9dd87759"`
[INFO] [stderr]     Checking elf v0.0.10 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]    --> src/lib.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let flags = try!(read_u32!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_flags`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ehsize`
[INFO] [stderr]    --> src/lib.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let ehsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_ehsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `phentsize`
[INFO] [stderr]    --> src/lib.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let phentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_phentsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shentsize`
[INFO] [stderr]    --> src/lib.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let shentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_shentsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]    --> src/lib.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let flags = try!(read_u32!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_flags`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ehsize`
[INFO] [stderr]    --> src/lib.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let ehsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_ehsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `phentsize`
[INFO] [stderr]    --> src/lib.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let phentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_phentsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shentsize`
[INFO] [stderr]    --> src/lib.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let shentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_shentsize`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "1edc84f85b993690eff395803b7d88d37396bda4530894f7318d9e0f9dd87759"`
[INFO] running `"docker" "rm" "-f" "1edc84f85b993690eff395803b7d88d37396bda4530894f7318d9e0f9dd87759"`
[INFO] [stdout] 1edc84f85b993690eff395803b7d88d37396bda4530894f7318d9e0f9dd87759