[INFO] cloning repository FauxFaux/netzact
[INFO] running `"git" "clone" "--bare" "git://github.com/FauxFaux/netzact.git" "work/cache/sources/gh/FauxFaux/netzact"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/FauxFaux/netzact'...
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/netzact" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FauxFaux/netzact"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FauxFaux/netzact'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/netzact" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FauxFaux/netzact"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FauxFaux/netzact'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a28019672a0d95ed4c28d0acd345e70260dabf6f
[INFO] sha for GitHub repo FauxFaux/netzact: a28019672a0d95ed4c28d0acd345e70260dabf6f
[INFO] validating manifest of FauxFaux/netzact 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 FauxFaux/netzact 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 FauxFaux/netzact
[INFO] finished frobbing FauxFaux/netzact
[INFO] frobbed toml for FauxFaux/netzact written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FauxFaux/netzact/Cargo.toml
[INFO] started frobbing FauxFaux/netzact
[INFO] finished frobbing FauxFaux/netzact
[INFO] frobbed toml for FauxFaux/netzact written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FauxFaux/netzact/Cargo.toml
[INFO] crate FauxFaux/netzact 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 FauxFaux/netzact against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FauxFaux/netzact:/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] ec8f2a69aade165c3fd20b2472175e6fca677f0b29c7d37c7d2fdad72f7e2864
[INFO] running `"docker" "start" "-a" "ec8f2a69aade165c3fd20b2472175e6fca677f0b29c7d37c7d2fdad72f7e2864"`
[INFO] [stderr]     Checking dns-lookup v1.0.0
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking netzact v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/netlink/diag.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut buf = unsafe { mem::transmute::<[u32; 4], [u8; 16]>(*data) };
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/netlink/diag.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut buf = unsafe { mem::transmute::<[u32; 4], [u8; 16]>(*data) };
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:296:17
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 writeln!(stdout);
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             writeln!(stdout);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:296:17
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 writeln!(stdout);
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             writeln!(stdout);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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 5.15s
[INFO] running `"docker" "inspect" "ec8f2a69aade165c3fd20b2472175e6fca677f0b29c7d37c7d2fdad72f7e2864"`
[INFO] running `"docker" "rm" "-f" "ec8f2a69aade165c3fd20b2472175e6fca677f0b29c7d37c7d2fdad72f7e2864"`
[INFO] [stdout] ec8f2a69aade165c3fd20b2472175e6fca677f0b29c7d37c7d2fdad72f7e2864