[INFO] updating cached repository iveltondequeiroz/port-sniffer-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iveltondequeiroz/port-sniffer-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iveltondequeiroz/port-sniffer-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/iveltondequeiroz/port-sniffer-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iveltondequeiroz/port-sniffer-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iveltondequeiroz/port-sniffer-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iveltondequeiroz/port-sniffer-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iveltondequeiroz/port-sniffer-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb8c0ebbd04512774660291694cf19e54d01ad5f
[INFO] sha for GitHub repo iveltondequeiroz/port-sniffer-rust: fb8c0ebbd04512774660291694cf19e54d01ad5f
[INFO] validating manifest of iveltondequeiroz/port-sniffer-rust 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 iveltondequeiroz/port-sniffer-rust 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 iveltondequeiroz/port-sniffer-rust
[INFO] finished frobbing iveltondequeiroz/port-sniffer-rust
[INFO] frobbed toml for iveltondequeiroz/port-sniffer-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/iveltondequeiroz/port-sniffer-rust/Cargo.toml
[INFO] started frobbing iveltondequeiroz/port-sniffer-rust
[INFO] finished frobbing iveltondequeiroz/port-sniffer-rust
[INFO] frobbed toml for iveltondequeiroz/port-sniffer-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iveltondequeiroz/port-sniffer-rust/Cargo.toml
[INFO] crate iveltondequeiroz/port-sniffer-rust 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 iveltondequeiroz/port-sniffer-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iveltondequeiroz/port-sniffer-rust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 41b24375d3d36d9adb62da31da5afef089a9bae8a5b3eea4d6b6cb9465e783c4
[INFO] running `"docker" "start" "-a" "41b24375d3d36d9adb62da31da5afef089a9bae8a5b3eea4d6b6cb9465e783c4"`
[INFO] [stderr]    Compiling ip_sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     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 1.99s
[INFO] running `"docker" "inspect" "41b24375d3d36d9adb62da31da5afef089a9bae8a5b3eea4d6b6cb9465e783c4"`
[INFO] running `"docker" "rm" "-f" "41b24375d3d36d9adb62da31da5afef089a9bae8a5b3eea4d6b6cb9465e783c4"`
[INFO] [stdout] 41b24375d3d36d9adb62da31da5afef089a9bae8a5b3eea4d6b6cb9465e783c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iveltondequeiroz/port-sniffer-rust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 98d53eeabaa380e38627b64a2d368b6e7898e91df907ff6dca31fbea13a767ac
[INFO] running `"docker" "start" "-a" "98d53eeabaa380e38627b64a2d368b6e7898e91df907ff6dca31fbea13a767ac"`
[INFO] [stderr]    Compiling ip_sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     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 0.82s
[INFO] running `"docker" "inspect" "98d53eeabaa380e38627b64a2d368b6e7898e91df907ff6dca31fbea13a767ac"`
[INFO] running `"docker" "rm" "-f" "98d53eeabaa380e38627b64a2d368b6e7898e91df907ff6dca31fbea13a767ac"`
[INFO] [stdout] 98d53eeabaa380e38627b64a2d368b6e7898e91df907ff6dca31fbea13a767ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iveltondequeiroz/port-sniffer-rust:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4a1ce8f7788d5ecfe6882289e6ce6c6cb1be4c11f90573d4c5a250878ec1b166
[INFO] running `"docker" "start" "-a" "4a1ce8f7788d5ecfe6882289e6ce6c6cb1be4c11f90573d4c5a250878ec1b166"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ip_sniffer-3ebe61e9c82f4cbe
[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" "4a1ce8f7788d5ecfe6882289e6ce6c6cb1be4c11f90573d4c5a250878ec1b166"`
[INFO] running `"docker" "rm" "-f" "4a1ce8f7788d5ecfe6882289e6ce6c6cb1be4c11f90573d4c5a250878ec1b166"`
[INFO] [stdout] 4a1ce8f7788d5ecfe6882289e6ce6c6cb1be4c11f90573d4c5a250878ec1b166