[INFO] updating cached repository vaclavblazej/rust-specimen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vaclavblazej/rust-specimen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vaclavblazej/rust-specimen" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/vaclavblazej/rust-specimen"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/vaclavblazej/rust-specimen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vaclavblazej/rust-specimen" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/vaclavblazej/rust-specimen"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/vaclavblazej/rust-specimen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbc124209567b066cafa6364faf49128547b9f35
[INFO] sha for GitHub repo vaclavblazej/rust-specimen: bbc124209567b066cafa6364faf49128547b9f35
[INFO] validating manifest of vaclavblazej/rust-specimen 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 vaclavblazej/rust-specimen 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 vaclavblazej/rust-specimen
[INFO] finished frobbing vaclavblazej/rust-specimen
[INFO] frobbed toml for vaclavblazej/rust-specimen written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/vaclavblazej/rust-specimen/Cargo.toml
[INFO] started frobbing vaclavblazej/rust-specimen
[INFO] finished frobbing vaclavblazej/rust-specimen
[INFO] frobbed toml for vaclavblazej/rust-specimen written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/vaclavblazej/rust-specimen/Cargo.toml
[INFO] crate vaclavblazej/rust-specimen 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 vaclavblazej/rust-specimen against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/vaclavblazej/rust-specimen:/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] 45e55e2a26203ca2bf6758a3d7f6e61ae39786b51dfd45180d0ae26f0f5ca8ed
[INFO] running `"docker" "start" "-a" "45e55e2a26203ca2bf6758a3d7f6e61ae39786b51dfd45180d0ae26f0f5ca8ed"`
[INFO] [stderr]     Checking rust-specimen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "45e55e2a26203ca2bf6758a3d7f6e61ae39786b51dfd45180d0ae26f0f5ca8ed"`
[INFO] running `"docker" "rm" "-f" "45e55e2a26203ca2bf6758a3d7f6e61ae39786b51dfd45180d0ae26f0f5ca8ed"`
[INFO] [stdout] 45e55e2a26203ca2bf6758a3d7f6e61ae39786b51dfd45180d0ae26f0f5ca8ed