[INFO] updating cached repository kdar/cargo-first
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kdar/cargo-first
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kdar/cargo-first" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/kdar/cargo-first"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/kdar/cargo-first'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kdar/cargo-first" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kdar/cargo-first"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kdar/cargo-first'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 160f88cf7fb913a62a395b33552a1542f64e9818
[INFO] sha for GitHub repo kdar/cargo-first: 160f88cf7fb913a62a395b33552a1542f64e9818
[INFO] validating manifest of kdar/cargo-first on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kdar/cargo-first on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kdar/cargo-first
[INFO] finished frobbing kdar/cargo-first
[INFO] frobbed toml for kdar/cargo-first written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/kdar/cargo-first/Cargo.toml
[INFO] started frobbing kdar/cargo-first
[INFO] finished frobbing kdar/cargo-first
[INFO] frobbed toml for kdar/cargo-first written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kdar/cargo-first/Cargo.toml
[INFO] crate kdar/cargo-first already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kdar/cargo-first against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kdar/cargo-first:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7680b3a3f4d609cdc2cbf65a81d62fba0b4eeea5eac5e5bd67c11a34aa4ad28
[INFO] running `"docker" "start" "-a" "e7680b3a3f4d609cdc2cbf65a81d62fba0b4eeea5eac5e5bd67c11a34aa4ad28"`
[INFO] [stderr]     Checking atty v0.2.12
[INFO] [stderr]     Checking cargo-first v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "e7680b3a3f4d609cdc2cbf65a81d62fba0b4eeea5eac5e5bd67c11a34aa4ad28"`
[INFO] running `"docker" "rm" "-f" "e7680b3a3f4d609cdc2cbf65a81d62fba0b4eeea5eac5e5bd67c11a34aa4ad28"`
[INFO] [stdout] e7680b3a3f4d609cdc2cbf65a81d62fba0b4eeea5eac5e5bd67c11a34aa4ad28