[INFO] updating cached repository SDRust/April-2018-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SDRust/April-2018-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SDRust/April-2018-challenge" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SDRust/April-2018-challenge"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SDRust/April-2018-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SDRust/April-2018-challenge" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/SDRust/April-2018-challenge"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/SDRust/April-2018-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17b589f91e5a08d3aa0d3bb10e4c6ee5b166d604
[INFO] sha for GitHub repo SDRust/April-2018-challenge: 17b589f91e5a08d3aa0d3bb10e4c6ee5b166d604
[INFO] validating manifest of SDRust/April-2018-challenge on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SDRust/April-2018-challenge on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SDRust/April-2018-challenge
[INFO] finished frobbing SDRust/April-2018-challenge
[INFO] frobbed toml for SDRust/April-2018-challenge written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SDRust/April-2018-challenge/Cargo.toml
[INFO] started frobbing SDRust/April-2018-challenge
[INFO] finished frobbing SDRust/April-2018-challenge
[INFO] frobbed toml for SDRust/April-2018-challenge written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/SDRust/April-2018-challenge/Cargo.toml
[INFO] crate SDRust/April-2018-challenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SDRust/April-2018-challenge against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-1/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/SDRust/April-2018-challenge:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9644b5cdd67f29e201a5888223e94df889bf593badf9662053f3924865369a0e
[INFO] running `"docker" "start" "-a" "9644b5cdd67f29e201a5888223e94df889bf593badf9662053f3924865369a0e"`
[INFO] [stderr]     Checking april-2018-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "9644b5cdd67f29e201a5888223e94df889bf593badf9662053f3924865369a0e"`
[INFO] running `"docker" "rm" "-f" "9644b5cdd67f29e201a5888223e94df889bf593badf9662053f3924865369a0e"`
[INFO] [stdout] 9644b5cdd67f29e201a5888223e94df889bf593badf9662053f3924865369a0e