[INFO] updating cached repository mthiesen/parsec_exe_unpacker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mthiesen/parsec_exe_unpacker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mthiesen/parsec_exe_unpacker" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mthiesen/parsec_exe_unpacker"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mthiesen/parsec_exe_unpacker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mthiesen/parsec_exe_unpacker" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mthiesen/parsec_exe_unpacker"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mthiesen/parsec_exe_unpacker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799397ed96dff8823f98789d69556b0d345521e8
[INFO] sha for GitHub repo mthiesen/parsec_exe_unpacker: 799397ed96dff8823f98789d69556b0d345521e8
[INFO] validating manifest of mthiesen/parsec_exe_unpacker on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mthiesen/parsec_exe_unpacker on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mthiesen/parsec_exe_unpacker
[INFO] finished frobbing mthiesen/parsec_exe_unpacker
[INFO] frobbed toml for mthiesen/parsec_exe_unpacker written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mthiesen/parsec_exe_unpacker/Cargo.toml
[INFO] started frobbing mthiesen/parsec_exe_unpacker
[INFO] finished frobbing mthiesen/parsec_exe_unpacker
[INFO] frobbed toml for mthiesen/parsec_exe_unpacker written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mthiesen/parsec_exe_unpacker/Cargo.toml
[INFO] crate mthiesen/parsec_exe_unpacker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mthiesen/parsec_exe_unpacker against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mthiesen/parsec_exe_unpacker:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f3f32d4c7c816810b4a4869beafc5a04c519e656cccea3dcd1fc80bb04df2e83
[INFO] running `"docker" "start" "-a" "f3f32d4c7c816810b4a4869beafc5a04c519e656cccea3dcd1fc80bb04df2e83"`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking common_failures v0.1.1
[INFO] [stderr]    Compiling os_type v0.6.0
[INFO] [stderr]    Compiling libunicorn-sys v0.8.0
[INFO] [stderr]     Checking unicorn v0.8.0
[INFO] [stderr]     Checking parsec_exe_unpacker v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/unpack_tests.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         write!(hex_string, "{:02X}", byte);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.65s
[INFO] running `"docker" "inspect" "f3f32d4c7c816810b4a4869beafc5a04c519e656cccea3dcd1fc80bb04df2e83"`
[INFO] running `"docker" "rm" "-f" "f3f32d4c7c816810b4a4869beafc5a04c519e656cccea3dcd1fc80bb04df2e83"`
[INFO] [stdout] f3f32d4c7c816810b4a4869beafc5a04c519e656cccea3dcd1fc80bb04df2e83