[INFO] fetching crate evcxr 0.3.5...
[INFO] extracting crate evcxr 0.3.5 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/evcxr/0.3.5
[INFO] extracting crate evcxr 0.3.5 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/evcxr/0.3.5
[INFO] validating manifest of evcxr-0.3.5 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 evcxr-0.3.5 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 evcxr-0.3.5
[INFO] finished frobbing evcxr-0.3.5
[INFO] frobbed toml for evcxr-0.3.5 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/evcxr/0.3.5/Cargo.toml
[INFO] started frobbing evcxr-0.3.5
[INFO] finished frobbing evcxr-0.3.5
[INFO] frobbed toml for evcxr-0.3.5 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/evcxr/0.3.5/Cargo.toml
[INFO] crate evcxr-0.3.5 already has a lockfile, it will not be regenerated
[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 evcxr-0.3.5 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/evcxr/0.3.5:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b718a8dc5d8d4babbd3f345960912a88062d8154b1d31ffc2321a45daae876e4
[INFO] running `"docker" "start" "-a" "b718a8dc5d8d4babbd3f345960912a88062d8154b1d31ffc2321a45daae876e4"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking libloading v0.5.0
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking syn v0.15.27
[INFO] [stderr]     Checking evcxr v0.3.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `"docker" "inspect" "b718a8dc5d8d4babbd3f345960912a88062d8154b1d31ffc2321a45daae876e4"`
[INFO] running `"docker" "rm" "-f" "b718a8dc5d8d4babbd3f345960912a88062d8154b1d31ffc2321a45daae876e4"`
[INFO] [stdout] b718a8dc5d8d4babbd3f345960912a88062d8154b1d31ffc2321a45daae876e4