[INFO] updating cached repository jmacdonald/reference-iterator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmacdonald/reference-iterator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacdonald/reference-iterator" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/jmacdonald/reference-iterator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/jmacdonald/reference-iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacdonald/reference-iterator" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/jmacdonald/reference-iterator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/jmacdonald/reference-iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 453b31520657aa3cd6b54dd7d0aba9d27c63ffcd
[INFO] sha for GitHub repo jmacdonald/reference-iterator: 453b31520657aa3cd6b54dd7d0aba9d27c63ffcd
[INFO] validating manifest of jmacdonald/reference-iterator on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jmacdonald/reference-iterator on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jmacdonald/reference-iterator
[INFO] finished frobbing jmacdonald/reference-iterator
[INFO] frobbed toml for jmacdonald/reference-iterator written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/jmacdonald/reference-iterator/Cargo.toml
[INFO] started frobbing jmacdonald/reference-iterator
[INFO] finished frobbing jmacdonald/reference-iterator
[INFO] frobbed toml for jmacdonald/reference-iterator written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/jmacdonald/reference-iterator/Cargo.toml
[INFO] crate jmacdonald/reference-iterator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jmacdonald/reference-iterator against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-4/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/jmacdonald/reference-iterator:/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 97dd1618eb488ae60b3697c93b2f3a33eebfb16082a344f728a9851f05b5028b
[INFO] running `"docker" "start" "-a" "97dd1618eb488ae60b3697c93b2f3a33eebfb16082a344f728a9851f05b5028b"`
[INFO] [stderr]     Checking reference-iterator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "97dd1618eb488ae60b3697c93b2f3a33eebfb16082a344f728a9851f05b5028b"`
[INFO] running `"docker" "rm" "-f" "97dd1618eb488ae60b3697c93b2f3a33eebfb16082a344f728a9851f05b5028b"`
[INFO] [stdout] 97dd1618eb488ae60b3697c93b2f3a33eebfb16082a344f728a9851f05b5028b