[INFO] fetching crate elastic_derive 0.21.0-pre.4...
[INFO] extracting crate elastic_derive 0.21.0-pre.4 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/elastic_derive/0.21.0-pre.4
[INFO] extracting crate elastic_derive 0.21.0-pre.4 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/elastic_derive/0.21.0-pre.4
[INFO] validating manifest of elastic_derive-0.21.0-pre.4 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elastic_derive-0.21.0-pre.4 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elastic_derive-0.21.0-pre.4
[INFO] finished frobbing elastic_derive-0.21.0-pre.4
[INFO] frobbed toml for elastic_derive-0.21.0-pre.4 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/elastic_derive/0.21.0-pre.4/Cargo.toml
[INFO] started frobbing elastic_derive-0.21.0-pre.4
[INFO] finished frobbing elastic_derive-0.21.0-pre.4
[INFO] frobbed toml for elastic_derive-0.21.0-pre.4 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/elastic_derive/0.21.0-pre.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking elastic_derive-0.21.0-pre.4 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/elastic_derive/0.21.0-pre.4:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9ffa7d7d33b3b07a498bb5e125dba23c3cee8d7c1027975c93b9e10272a42236
[INFO] running `"docker" "start" "-a" "9ffa7d7d33b3b07a498bb5e125dba23c3cee8d7c1027975c93b9e10272a42236"`
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking serde_derive_internals v0.15.1
[INFO] [stderr]     Checking elastic_types_derive_internals v0.21.0-pre.4
[INFO] [stderr]     Checking elastic_derive v0.21.0-pre.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `"docker" "inspect" "9ffa7d7d33b3b07a498bb5e125dba23c3cee8d7c1027975c93b9e10272a42236"`
[INFO] running `"docker" "rm" "-f" "9ffa7d7d33b3b07a498bb5e125dba23c3cee8d7c1027975c93b9e10272a42236"`
[INFO] [stdout] 9ffa7d7d33b3b07a498bb5e125dba23c3cee8d7c1027975c93b9e10272a42236