[INFO] updating cached repository pchampin/pair_trait
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pchampin/pair_trait
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pchampin/pair_trait" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pchampin/pair_trait"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pchampin/pair_trait'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pchampin/pair_trait" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pchampin/pair_trait"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pchampin/pair_trait'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f47d86bec5bc5da166f88c7cc8c5b26dc6922cf
[INFO] sha for GitHub repo pchampin/pair_trait: 7f47d86bec5bc5da166f88c7cc8c5b26dc6922cf
[INFO] validating manifest of pchampin/pair_trait on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pchampin/pair_trait on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pchampin/pair_trait
[INFO] finished frobbing pchampin/pair_trait
[INFO] frobbed toml for pchampin/pair_trait written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/pchampin/pair_trait/Cargo.toml
[INFO] started frobbing pchampin/pair_trait
[INFO] finished frobbing pchampin/pair_trait
[INFO] frobbed toml for pchampin/pair_trait written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pchampin/pair_trait/Cargo.toml
[INFO] crate pchampin/pair_trait already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pchampin/pair_trait against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-3/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/pchampin/pair_trait:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 459eb42f3ccabca60078b61c2f37a3c8ca3ceb40af6f7702118d7ecbccc66b59
[INFO] running `"docker" "start" "-a" "459eb42f3ccabca60078b61c2f37a3c8ca3ceb40af6f7702118d7ecbccc66b59"`
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rental-impl v0.5.0
[INFO] [stderr]     Checking rental v0.5.1
[INFO] [stderr]     Checking trait_pair v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.24s
[INFO] running `"docker" "inspect" "459eb42f3ccabca60078b61c2f37a3c8ca3ceb40af6f7702118d7ecbccc66b59"`
[INFO] running `"docker" "rm" "-f" "459eb42f3ccabca60078b61c2f37a3c8ca3ceb40af6f7702118d7ecbccc66b59"`
[INFO] [stdout] 459eb42f3ccabca60078b61c2f37a3c8ca3ceb40af6f7702118d7ecbccc66b59