[INFO] cloning repository lesguillemets/pdfdr
[INFO] running `"git" "clone" "--bare" "git://github.com/lesguillemets/pdfdr.git" "work/cache/sources/gh/lesguillemets/pdfdr"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lesguillemets/pdfdr'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lesguillemets/pdfdr" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lesguillemets/pdfdr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lesguillemets/pdfdr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lesguillemets/pdfdr" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lesguillemets/pdfdr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lesguillemets/pdfdr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 261874519de6afd35337a53228f5ccc277c17b49
[INFO] sha for GitHub repo lesguillemets/pdfdr: 261874519de6afd35337a53228f5ccc277c17b49
[INFO] validating manifest of lesguillemets/pdfdr 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 lesguillemets/pdfdr 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 lesguillemets/pdfdr
[INFO] finished frobbing lesguillemets/pdfdr
[INFO] frobbed toml for lesguillemets/pdfdr written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lesguillemets/pdfdr/Cargo.toml
[INFO] started frobbing lesguillemets/pdfdr
[INFO] finished frobbing lesguillemets/pdfdr
[INFO] frobbed toml for lesguillemets/pdfdr written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lesguillemets/pdfdr/Cargo.toml
[INFO] crate lesguillemets/pdfdr 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 lesguillemets/pdfdr against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lesguillemets/pdfdr:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a293197ea718b8b038b1818983eb23663d97aae834b1757dda2e78670f7cc59
[INFO] running `"docker" "start" "-a" "4a293197ea718b8b038b1818983eb23663d97aae834b1757dda2e78670f7cc59"`
[INFO] [stderr]     Checking dayfinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `prefix`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let prefix = args().nth(3).unwrap_or("".to_string());
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_prefix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 bwriter.write_fmt(format_args!("{},{},{}", get_base_name(&file), &file, d));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prefix`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let prefix = args().nth(3).unwrap_or("".to_string());
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_prefix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 bwriter.write_fmt(format_args!("{},{},{}", get_base_name(&file), &file, d));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "4a293197ea718b8b038b1818983eb23663d97aae834b1757dda2e78670f7cc59"`
[INFO] running `"docker" "rm" "-f" "4a293197ea718b8b038b1818983eb23663d97aae834b1757dda2e78670f7cc59"`
[INFO] [stdout] 4a293197ea718b8b038b1818983eb23663d97aae834b1757dda2e78670f7cc59