[INFO] updating cached repository mexus/hex2bin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mexus/hex2bin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mexus/hex2bin" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mexus/hex2bin"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mexus/hex2bin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mexus/hex2bin" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mexus/hex2bin"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mexus/hex2bin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 994ec768495a5a0f847e18656ad9945f265568cd
[INFO] sha for GitHub repo mexus/hex2bin: 994ec768495a5a0f847e18656ad9945f265568cd
[INFO] validating manifest of mexus/hex2bin on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mexus/hex2bin on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mexus/hex2bin
[INFO] finished frobbing mexus/hex2bin
[INFO] frobbed toml for mexus/hex2bin written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mexus/hex2bin/Cargo.toml
[INFO] started frobbing mexus/hex2bin
[INFO] finished frobbing mexus/hex2bin
[INFO] frobbed toml for mexus/hex2bin written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mexus/hex2bin/Cargo.toml
[INFO] crate mexus/hex2bin has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mexus/hex2bin against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-7/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mexus/hex2bin:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0493a4ba2625dda48504f8405a0482eb5f786ce5b6f82f18b2bea3fb99dfb947
[INFO] running `"docker" "start" "-a" "0493a4ba2625dda48504f8405a0482eb5f786ce5b6f82f18b2bea3fb99dfb947"`
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking crossbeam-channel v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking hex2bin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `"docker" "inspect" "0493a4ba2625dda48504f8405a0482eb5f786ce5b6f82f18b2bea3fb99dfb947"`
[INFO] running `"docker" "rm" "-f" "0493a4ba2625dda48504f8405a0482eb5f786ce5b6f82f18b2bea3fb99dfb947"`
[INFO] [stdout] 0493a4ba2625dda48504f8405a0482eb5f786ce5b6f82f18b2bea3fb99dfb947