[INFO] updating cached repository crftd/cidr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crftd/cidr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crftd/cidr" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/crftd/cidr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/crftd/cidr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crftd/cidr" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/crftd/cidr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/crftd/cidr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0940243c91afe7607b6590e8ee6bc9cf5975288b
[INFO] sha for GitHub repo crftd/cidr: 0940243c91afe7607b6590e8ee6bc9cf5975288b
[INFO] validating manifest of crftd/cidr on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crftd/cidr on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crftd/cidr
[INFO] finished frobbing crftd/cidr
[INFO] frobbed toml for crftd/cidr written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/crftd/cidr/Cargo.toml
[INFO] started frobbing crftd/cidr
[INFO] finished frobbing crftd/cidr
[INFO] frobbed toml for crftd/cidr written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/crftd/cidr/Cargo.toml
[INFO] crate crftd/cidr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking crftd/cidr against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-0/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/crftd/cidr:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3fb7feb2fbd8214eb76905868ee5046e9781e70d062a9c00bf719d086d76f585
[INFO] running `"docker" "start" "-a" "3fb7feb2fbd8214eb76905868ee5046e9781e70d062a9c00bf719d086d76f585"`
[INFO] [stderr]     Checking cidr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `DIGIT_AMOUNT`
[INFO] [stderr]  --> src/core/ip.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     const DIGIT_AMOUNT: usize = 8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Address`
[INFO] [stderr]  --> src/core/ip.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub struct Address;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "3fb7feb2fbd8214eb76905868ee5046e9781e70d062a9c00bf719d086d76f585"`
[INFO] running `"docker" "rm" "-f" "3fb7feb2fbd8214eb76905868ee5046e9781e70d062a9c00bf719d086d76f585"`
[INFO] [stdout] 3fb7feb2fbd8214eb76905868ee5046e9781e70d062a9c00bf719d086d76f585