[INFO] cloning repository KellanMebane/minils-unix
[INFO] running `"git" "clone" "--bare" "git://github.com/KellanMebane/minils-unix.git" "work/cache/sources/gh/KellanMebane/minils-unix"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/KellanMebane/minils-unix'...
[INFO] running `"git" "clone" "work/cache/sources/gh/KellanMebane/minils-unix" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/KellanMebane/minils-unix"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/KellanMebane/minils-unix'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KellanMebane/minils-unix" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KellanMebane/minils-unix"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KellanMebane/minils-unix'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbc8c548300ade7632aae0e93fa5708063d5159f
[INFO] sha for GitHub repo KellanMebane/minils-unix: cbc8c548300ade7632aae0e93fa5708063d5159f
[INFO] validating manifest of KellanMebane/minils-unix on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of KellanMebane/minils-unix on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing KellanMebane/minils-unix
[INFO] finished frobbing KellanMebane/minils-unix
[INFO] frobbed toml for KellanMebane/minils-unix written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/KellanMebane/minils-unix/Cargo.toml
[INFO] started frobbing KellanMebane/minils-unix
[INFO] finished frobbing KellanMebane/minils-unix
[INFO] frobbed toml for KellanMebane/minils-unix written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KellanMebane/minils-unix/Cargo.toml
[INFO] crate KellanMebane/minils-unix already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking KellanMebane/minils-unix against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/KellanMebane/minils-unix:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a081f19573ab18960f06baad61ef745b887145dd4d1119f5398925d91ef9df17
[INFO] running `"docker" "start" "-a" "a081f19573ab18960f06baad61ef745b887145dd4d1119f5398925d91ef9df17"`
[INFO] [stderr]     Checking minils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `link_count`
[INFO] [stderr]   --> src/main.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 let link_count = metadata.nlink();
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_link_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uid`
[INFO] [stderr]   --> src/main.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let uid = metadata.uid();
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_uid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gid`
[INFO] [stderr]   --> src/main.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 let gid = metadata.gid();
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_gid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `link_count`
[INFO] [stderr]   --> src/main.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 let link_count = metadata.nlink();
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_link_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uid`
[INFO] [stderr]   --> src/main.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let uid = metadata.uid();
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_uid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gid`
[INFO] [stderr]   --> src/main.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 let gid = metadata.gid();
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_gid`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a081f19573ab18960f06baad61ef745b887145dd4d1119f5398925d91ef9df17"`
[INFO] running `"docker" "rm" "-f" "a081f19573ab18960f06baad61ef745b887145dd4d1119f5398925d91ef9df17"`
[INFO] [stdout] a081f19573ab18960f06baad61ef745b887145dd4d1119f5398925d91ef9df17