[INFO] crate from_variants 0.4.0 is already in cache
[INFO] extracting crate from_variants 0.4.0 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/from_variants/0.4.0
[INFO] extracting crate from_variants 0.4.0 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/from_variants/0.4.0
[INFO] validating manifest of from_variants-0.4.0 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 from_variants-0.4.0 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 from_variants-0.4.0
[INFO] finished frobbing from_variants-0.4.0
[INFO] frobbed toml for from_variants-0.4.0 written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/from_variants/0.4.0/Cargo.toml
[INFO] started frobbing from_variants-0.4.0
[INFO] finished frobbing from_variants-0.4.0
[INFO] frobbed toml for from_variants-0.4.0 written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/from_variants/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 from_variants-0.4.0 against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-7/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/from_variants/0.4.0:/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] 6290c68e4f416510552515edba1e3e7fa62e78acc216684280df7ba959eabbb6
[INFO] running `"docker" "start" "-a" "6290c68e4f416510552515edba1e3e7fa62e78acc216684280df7ba959eabbb6"`
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.5.0
[INFO] [stderr]    Compiling darling v0.5.0
[INFO] [stderr]    Compiling from_variants_impl v0.4.0
[INFO] [stderr]     Checking from_variants v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `"docker" "inspect" "6290c68e4f416510552515edba1e3e7fa62e78acc216684280df7ba959eabbb6"`
[INFO] running `"docker" "rm" "-f" "6290c68e4f416510552515edba1e3e7fa62e78acc216684280df7ba959eabbb6"`
[INFO] [stdout] 6290c68e4f416510552515edba1e3e7fa62e78acc216684280df7ba959eabbb6