[INFO] cloning repository epsimatt/serpent
[INFO] running `"git" "clone" "--bare" "git://github.com/epsimatt/serpent.git" "work/cache/sources/gh/epsimatt/serpent"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/epsimatt/serpent'...
[INFO] running `"git" "clone" "work/cache/sources/gh/epsimatt/serpent" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/epsimatt/serpent"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/epsimatt/serpent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/epsimatt/serpent" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/epsimatt/serpent"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/epsimatt/serpent'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0eb4a7d965817d86648c7110bad6cb85b3d2474c
[INFO] sha for GitHub repo epsimatt/serpent: 0eb4a7d965817d86648c7110bad6cb85b3d2474c
[INFO] validating manifest of epsimatt/serpent 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 epsimatt/serpent 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 epsimatt/serpent
[INFO] finished frobbing epsimatt/serpent
[INFO] frobbed toml for epsimatt/serpent written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/epsimatt/serpent/Cargo.toml
[INFO] started frobbing epsimatt/serpent
[INFO] finished frobbing epsimatt/serpent
[INFO] frobbed toml for epsimatt/serpent written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/epsimatt/serpent/Cargo.toml
[INFO] crate epsimatt/serpent 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mlog v0.2.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking epsimatt/serpent against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/epsimatt/serpent:/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] de21b12fda91ec8b62d98b45555df17762f5dddf564a8725451641f6db520846
[INFO] running `"docker" "start" "-a" "de21b12fda91ec8b62d98b45555df17762f5dddf564a8725451641f6db520846"`
[INFO] [stderr]     Checking mlog v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking openssl v0.9.24
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking serenity v0.5.11
[INFO] [stderr]     Checking serpent v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.08s
[INFO] running `"docker" "inspect" "de21b12fda91ec8b62d98b45555df17762f5dddf564a8725451641f6db520846"`
[INFO] running `"docker" "rm" "-f" "de21b12fda91ec8b62d98b45555df17762f5dddf564a8725451641f6db520846"`
[INFO] [stdout] de21b12fda91ec8b62d98b45555df17762f5dddf564a8725451641f6db520846