[INFO] cloning repository Akavall/FileParsingTools
[INFO] running `"git" "clone" "--bare" "git://github.com/Akavall/FileParsingTools.git" "work/cache/sources/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Akavall/FileParsingTools'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/FileParsingTools" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Akavall/FileParsingTools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/FileParsingTools" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Akavall/FileParsingTools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2313b051de3864577c4dd128f97daa28f06760bd
[INFO] sha for GitHub repo Akavall/FileParsingTools: 2313b051de3864577c4dd128f97daa28f06760bd
[INFO] validating manifest of Akavall/FileParsingTools 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 Akavall/FileParsingTools 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 Akavall/FileParsingTools
[INFO] finished frobbing Akavall/FileParsingTools
[INFO] frobbed toml for Akavall/FileParsingTools written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Akavall/FileParsingTools/Cargo.toml
[INFO] started frobbing Akavall/FileParsingTools
[INFO] finished frobbing Akavall/FileParsingTools
[INFO] frobbed toml for Akavall/FileParsingTools written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Akavall/FileParsingTools/Cargo.toml
[INFO] crate Akavall/FileParsingTools 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 Akavall/FileParsingTools against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Akavall/FileParsingTools:/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] faff9d8086e929635b2569631898cd3755f2bce1af86198351ff42545450c40e
[INFO] running `"docker" "start" "-a" "faff9d8086e929635b2569631898cd3755f2bce1af86198351ff42545450c40e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking temp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/n_rows/bin/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for line in reader.lines() {
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/n_rows/bin/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for line in reader.lines() {
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "faff9d8086e929635b2569631898cd3755f2bce1af86198351ff42545450c40e"`
[INFO] running `"docker" "rm" "-f" "faff9d8086e929635b2569631898cd3755f2bce1af86198351ff42545450c40e"`
[INFO] [stdout] faff9d8086e929635b2569631898cd3755f2bce1af86198351ff42545450c40e