[INFO] updating cached repository softprops/duotone
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/softprops/duotone
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/softprops/duotone" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/softprops/duotone"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/softprops/duotone'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/softprops/duotone" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/softprops/duotone"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/softprops/duotone'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a35f836b67013360c00eb835f9483a833cb8d86
[INFO] sha for GitHub repo softprops/duotone: 3a35f836b67013360c00eb835f9483a833cb8d86
[INFO] validating manifest of softprops/duotone 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 softprops/duotone 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 softprops/duotone
[INFO] finished frobbing softprops/duotone
[INFO] frobbed toml for softprops/duotone written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/softprops/duotone/Cargo.toml
[INFO] started frobbing softprops/duotone
[INFO] finished frobbing softprops/duotone
[INFO] frobbed toml for softprops/duotone written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/softprops/duotone/Cargo.toml
[INFO] crate softprops/duotone 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 softprops/duotone against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/softprops/duotone:/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] e71e4887ab692613e7ed71e07595ccd43caeb88e46e17eeb8a60c154231d62c7
[INFO] running `"docker" "start" "-a" "e71e4887ab692613e7ed71e07595ccd43caeb88e46e17eeb8a60c154231d62c7"`
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking raster v0.2.0
[INFO] [stderr]     Checking duotone v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `"docker" "inspect" "e71e4887ab692613e7ed71e07595ccd43caeb88e46e17eeb8a60c154231d62c7"`
[INFO] running `"docker" "rm" "-f" "e71e4887ab692613e7ed71e07595ccd43caeb88e46e17eeb8a60c154231d62c7"`
[INFO] [stdout] e71e4887ab692613e7ed71e07595ccd43caeb88e46e17eeb8a60c154231d62c7