[INFO] crate unsegen_jsonviewer 0.1.1 is already in cache
[INFO] extracting crate unsegen_jsonviewer 0.1.1 into work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/unsegen_jsonviewer/0.1.1
[INFO] extracting crate unsegen_jsonviewer 0.1.1 into work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/unsegen_jsonviewer/0.1.1
[INFO] validating manifest of unsegen_jsonviewer-0.1.1 on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of unsegen_jsonviewer-0.1.1 on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing unsegen_jsonviewer-0.1.1
[INFO] finished frobbing unsegen_jsonviewer-0.1.1
[INFO] frobbed toml for unsegen_jsonviewer-0.1.1 written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/unsegen_jsonviewer/0.1.1/Cargo.toml
[INFO] started frobbing unsegen_jsonviewer-0.1.1
[INFO] finished frobbing unsegen_jsonviewer-0.1.1
[INFO] frobbed toml for unsegen_jsonviewer-0.1.1 written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/unsegen_jsonviewer/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking unsegen_jsonviewer-0.1.1 against master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-4/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/unsegen_jsonviewer/0.1.1:/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" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5737ff1f951519e1d9c2cb14a322975f04f301104a515d78d9655b0e7fca5e0b
[INFO] running `"docker" "start" "-a" "5737ff1f951519e1d9c2cb14a322975f04f301104a515d78d9655b0e7fca5e0b"`
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking unsegen v0.1.2
[INFO] [stderr]     Checking unsegen_jsonviewer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.99s
[INFO] running `"docker" "inspect" "5737ff1f951519e1d9c2cb14a322975f04f301104a515d78d9655b0e7fca5e0b"`
[INFO] running `"docker" "rm" "-f" "5737ff1f951519e1d9c2cb14a322975f04f301104a515d78d9655b0e7fca5e0b"`
[INFO] [stdout] 5737ff1f951519e1d9c2cb14a322975f04f301104a515d78d9655b0e7fca5e0b