[INFO] updating cached repository greyblake/conway-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/greyblake/conway-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/greyblake/conway-rs" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/greyblake/conway-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/greyblake/conway-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/greyblake/conway-rs" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/greyblake/conway-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/greyblake/conway-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8bcb89286883d6137db97dd5a55ac4a320adca31
[INFO] sha for GitHub repo greyblake/conway-rs: 8bcb89286883d6137db97dd5a55ac4a320adca31
[INFO] validating manifest of greyblake/conway-rs on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of greyblake/conway-rs on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing greyblake/conway-rs
[INFO] finished frobbing greyblake/conway-rs
[INFO] frobbed toml for greyblake/conway-rs written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/greyblake/conway-rs/Cargo.toml
[INFO] started frobbing greyblake/conway-rs
[INFO] finished frobbing greyblake/conway-rs
[INFO] frobbed toml for greyblake/conway-rs written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/greyblake/conway-rs/Cargo.toml
[INFO] crate greyblake/conway-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking greyblake/conway-rs against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/greyblake/conway-rs:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0208f763f7ba47a1339d2b3793bbf25578a31f8da64c0ec42fbaffa5be333a85
[INFO] running `"docker" "start" "-a" "0208f763f7ba47a1339d2b3793bbf25578a31f8da64c0ec42fbaffa5be333a85"`
[INFO] [stderr]     Checking term_size v0.1.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking termion v1.1.1
[INFO] [stderr]     Checking clap v2.11.0
[INFO] [stderr]     Checking conway v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `"docker" "inspect" "0208f763f7ba47a1339d2b3793bbf25578a31f8da64c0ec42fbaffa5be333a85"`
[INFO] running `"docker" "rm" "-f" "0208f763f7ba47a1339d2b3793bbf25578a31f8da64c0ec42fbaffa5be333a85"`
[INFO] [stdout] 0208f763f7ba47a1339d2b3793bbf25578a31f8da64c0ec42fbaffa5be333a85