[INFO] updating cached repository sxend/rust_tools
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sxend/rust_tools
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sxend/rust_tools" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/sxend/rust_tools"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/sxend/rust_tools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sxend/rust_tools" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/sxend/rust_tools"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/sxend/rust_tools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa66fd78d75f1df86ad0d070f90263e2d2ab4a73
[INFO] sha for GitHub repo sxend/rust_tools: aa66fd78d75f1df86ad0d070f90263e2d2ab4a73
[INFO] validating manifest of sxend/rust_tools on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sxend/rust_tools on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sxend/rust_tools
[INFO] finished frobbing sxend/rust_tools
[INFO] frobbed toml for sxend/rust_tools written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/sxend/rust_tools/Cargo.toml
[INFO] started frobbing sxend/rust_tools
[INFO] finished frobbing sxend/rust_tools
[INFO] frobbed toml for sxend/rust_tools written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/sxend/rust_tools/Cargo.toml
[INFO] crate sxend/rust_tools already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sxend/rust_tools against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-6/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/sxend/rust_tools:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f05743ed5d394a19dc95a7e86829d3d8ae7d7388e1af10a13b7df6084cdd4d84
[INFO] running `"docker" "start" "-a" "f05743ed5d394a19dc95a7e86829d3d8ae7d7388e1af10a13b7df6084cdd4d84"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking rust_tools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "f05743ed5d394a19dc95a7e86829d3d8ae7d7388e1af10a13b7df6084cdd4d84"`
[INFO] running `"docker" "rm" "-f" "f05743ed5d394a19dc95a7e86829d3d8ae7d7388e1af10a13b7df6084cdd4d84"`
[INFO] [stdout] f05743ed5d394a19dc95a7e86829d3d8ae7d7388e1af10a13b7df6084cdd4d84