[INFO] updating cached repository sq5rix/sniffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sq5rix/sniffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sq5rix/sniffer" "work/ex/beta-1.38-1/sources/1.37.0/gh/sq5rix/sniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sq5rix/sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sq5rix/sniffer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sq5rix/sniffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sq5rix/sniffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf687fbc442724d905ada055cb2f1e7783546de9
[INFO] sha for GitHub repo sq5rix/sniffer: bf687fbc442724d905ada055cb2f1e7783546de9
[INFO] validating manifest of sq5rix/sniffer 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 sq5rix/sniffer 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 sq5rix/sniffer
[INFO] finished frobbing sq5rix/sniffer
[INFO] frobbed toml for sq5rix/sniffer written to work/ex/beta-1.38-1/sources/1.37.0/gh/sq5rix/sniffer/Cargo.toml
[INFO] started frobbing sq5rix/sniffer
[INFO] finished frobbing sq5rix/sniffer
[INFO] frobbed toml for sq5rix/sniffer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sq5rix/sniffer/Cargo.toml
[INFO] crate sq5rix/sniffer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sq5rix/sniffer 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/sq5rix/sniffer:/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] ca19466b9baaec351ae712bb8622d0f53a295a7ec0de53e3a6c7e3499a200bec
[INFO] running `"docker" "start" "-a" "ca19466b9baaec351ae712bb8622d0f53a295a7ec0de53e3a6c7e3499a200bec"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.36s
[INFO] running `"docker" "inspect" "ca19466b9baaec351ae712bb8622d0f53a295a7ec0de53e3a6c7e3499a200bec"`
[INFO] running `"docker" "rm" "-f" "ca19466b9baaec351ae712bb8622d0f53a295a7ec0de53e3a6c7e3499a200bec"`
[INFO] [stdout] ca19466b9baaec351ae712bb8622d0f53a295a7ec0de53e3a6c7e3499a200bec
[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/sq5rix/sniffer:/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] 3b1a4cd5b272e1c458bfff528d119bffb4349a543190113ba965355eab01d9c9
[INFO] running `"docker" "start" "-a" "3b1a4cd5b272e1c458bfff528d119bffb4349a543190113ba965355eab01d9c9"`
[INFO] [stderr]    Compiling sniffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "3b1a4cd5b272e1c458bfff528d119bffb4349a543190113ba965355eab01d9c9"`
[INFO] running `"docker" "rm" "-f" "3b1a4cd5b272e1c458bfff528d119bffb4349a543190113ba965355eab01d9c9"`
[INFO] [stdout] 3b1a4cd5b272e1c458bfff528d119bffb4349a543190113ba965355eab01d9c9
[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/sq5rix/sniffer:/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] f19ae284cfadfcefbf23c8ab4cbbaf592d7e8155cb293629f1c32b03bc128ba1
[INFO] running `"docker" "start" "-a" "f19ae284cfadfcefbf23c8ab4cbbaf592d7e8155cb293629f1c32b03bc128ba1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sniffer-e4a1aa08f6b70512
[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" "f19ae284cfadfcefbf23c8ab4cbbaf592d7e8155cb293629f1c32b03bc128ba1"`
[INFO] running `"docker" "rm" "-f" "f19ae284cfadfcefbf23c8ab4cbbaf592d7e8155cb293629f1c32b03bc128ba1"`
[INFO] [stdout] f19ae284cfadfcefbf23c8ab4cbbaf592d7e8155cb293629f1c32b03bc128ba1