[INFO] updating cached repository mthom26/portscan
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mthom26/portscan
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mthom26/portscan" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mthom26/portscan"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mthom26/portscan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mthom26/portscan" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mthom26/portscan"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mthom26/portscan'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7fccef2a17d86608fd0719acd1a6adb68bcc0cb1
[INFO] sha for GitHub repo mthom26/portscan: 7fccef2a17d86608fd0719acd1a6adb68bcc0cb1
[INFO] validating manifest of mthom26/portscan 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 mthom26/portscan 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 mthom26/portscan
[INFO] finished frobbing mthom26/portscan
[INFO] frobbed toml for mthom26/portscan written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mthom26/portscan/Cargo.toml
[INFO] started frobbing mthom26/portscan
[INFO] finished frobbing mthom26/portscan
[INFO] frobbed toml for mthom26/portscan written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mthom26/portscan/Cargo.toml
[INFO] crate mthom26/portscan 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 mthom26/portscan against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-0/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mthom26/portscan:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 378fafc781afce1f17f01dd8df9e86b2bdd46151220e02000b67d7aeacf034df
[INFO] running `"docker" "start" "-a" "378fafc781afce1f17f01dd8df9e86b2bdd46151220e02000b67d7aeacf034df"`
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking portscan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `program_name`
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let program_name = &args[0];
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: consider using `_program_name` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_name`
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let program_name = &args[0];
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: consider using `_program_name` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `"docker" "inspect" "378fafc781afce1f17f01dd8df9e86b2bdd46151220e02000b67d7aeacf034df"`
[INFO] running `"docker" "rm" "-f" "378fafc781afce1f17f01dd8df9e86b2bdd46151220e02000b67d7aeacf034df"`
[INFO] [stdout] 378fafc781afce1f17f01dd8df9e86b2bdd46151220e02000b67d7aeacf034df