[INFO] fetching crate signatory-dalek 0.12.0...
[INFO] extracting crate signatory-dalek 0.12.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/signatory-dalek/0.12.0
[INFO] extracting crate signatory-dalek 0.12.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/signatory-dalek/0.12.0
[INFO] validating manifest of signatory-dalek-0.12.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of signatory-dalek-0.12.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing signatory-dalek-0.12.0
[INFO] finished frobbing signatory-dalek-0.12.0
[INFO] frobbed toml for signatory-dalek-0.12.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/signatory-dalek/0.12.0/Cargo.toml
[INFO] started frobbing signatory-dalek-0.12.0
[INFO] finished frobbing signatory-dalek-0.12.0
[INFO] frobbed toml for signatory-dalek-0.12.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/signatory-dalek/0.12.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking signatory-dalek-0.12.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/signatory-dalek/0.12.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 52e330b5c6718ddb797c9c2fe6b0d7ccca9ac9da32b0ad5667400fc60d2079b9
[INFO] running `"docker" "start" "-a" "52e330b5c6718ddb797c9c2fe6b0d7ccca9ac9da32b0ad5667400fc60d2079b9"`
[INFO] [stderr]     Checking regex-automata v0.1.7
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking signature v0.2.0
[INFO] [stderr]     Checking signatory v0.12.0
[INFO] [stderr]     Checking signatory-dalek v0.12.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking bstr v0.2.2
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `"docker" "inspect" "52e330b5c6718ddb797c9c2fe6b0d7ccca9ac9da32b0ad5667400fc60d2079b9"`
[INFO] running `"docker" "rm" "-f" "52e330b5c6718ddb797c9c2fe6b0d7ccca9ac9da32b0ad5667400fc60d2079b9"`
[INFO] [stdout] 52e330b5c6718ddb797c9c2fe6b0d7ccca9ac9da32b0ad5667400fc60d2079b9