[INFO] updating cached repository saebs/ipsniff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saebs/ipsniff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saebs/ipsniff" "work/ex/beta-1.38-1/sources/1.37.0/gh/saebs/ipsniff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/saebs/ipsniff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saebs/ipsniff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/ipsniff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/ipsniff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55b09a2703742fe98d17cd212eda64595117117a
[INFO] sha for GitHub repo saebs/ipsniff: 55b09a2703742fe98d17cd212eda64595117117a
[INFO] validating manifest of saebs/ipsniff on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of saebs/ipsniff on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing saebs/ipsniff
[INFO] finished frobbing saebs/ipsniff
[INFO] frobbed toml for saebs/ipsniff written to work/ex/beta-1.38-1/sources/1.37.0/gh/saebs/ipsniff/Cargo.toml
[INFO] started frobbing saebs/ipsniff
[INFO] finished frobbing saebs/ipsniff
[INFO] frobbed toml for saebs/ipsniff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/ipsniff/Cargo.toml
[INFO] crate saebs/ipsniff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing saebs/ipsniff against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/ipsniff:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 14ef44e79015eb3641ee995f45284b4018b74182ebaea32574c1880f8e51e4ab
[INFO] running `"docker" "start" "-a" "14ef44e79015eb3641ee995f45284b4018b74182ebaea32574c1880f8e51e4ab"`
[INFO] [stderr]    Compiling ipsniff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "14ef44e79015eb3641ee995f45284b4018b74182ebaea32574c1880f8e51e4ab"`
[INFO] running `"docker" "rm" "-f" "14ef44e79015eb3641ee995f45284b4018b74182ebaea32574c1880f8e51e4ab"`
[INFO] [stdout] 14ef44e79015eb3641ee995f45284b4018b74182ebaea32574c1880f8e51e4ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/ipsniff:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9695b6322c0ec7b5cca31e233879aa081a548aa61ac1d8b754cfb6b3a7dcee86
[INFO] running `"docker" "start" "-a" "9695b6322c0ec7b5cca31e233879aa081a548aa61ac1d8b754cfb6b3a7dcee86"`
[INFO] [stderr]    Compiling ipsniff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "9695b6322c0ec7b5cca31e233879aa081a548aa61ac1d8b754cfb6b3a7dcee86"`
[INFO] running `"docker" "rm" "-f" "9695b6322c0ec7b5cca31e233879aa081a548aa61ac1d8b754cfb6b3a7dcee86"`
[INFO] [stdout] 9695b6322c0ec7b5cca31e233879aa081a548aa61ac1d8b754cfb6b3a7dcee86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/ipsniff:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3930d13ec96f2adfae2087f70c713b7e2cfdde712ffb0c8251ce11e76e69714e
[INFO] running `"docker" "start" "-a" "3930d13ec96f2adfae2087f70c713b7e2cfdde712ffb0c8251ce11e76e69714e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ipsniff-7fc4e300bb53ff15
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3930d13ec96f2adfae2087f70c713b7e2cfdde712ffb0c8251ce11e76e69714e"`
[INFO] running `"docker" "rm" "-f" "3930d13ec96f2adfae2087f70c713b7e2cfdde712ffb0c8251ce11e76e69714e"`
[INFO] [stdout] 3930d13ec96f2adfae2087f70c713b7e2cfdde712ffb0c8251ce11e76e69714e