[INFO] updating cached repository stuartnelson3/biofilter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stuartnelson3/biofilter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stuartnelson3/biofilter" "work/ex/beta-1.38-1/sources/1.37.0/gh/stuartnelson3/biofilter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stuartnelson3/biofilter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stuartnelson3/biofilter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stuartnelson3/biofilter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stuartnelson3/biofilter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c961ee50d643dc7afec5c649a061917bc748064
[INFO] sha for GitHub repo stuartnelson3/biofilter: 9c961ee50d643dc7afec5c649a061917bc748064
[INFO] validating manifest of stuartnelson3/biofilter 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 stuartnelson3/biofilter 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 stuartnelson3/biofilter
[INFO] finished frobbing stuartnelson3/biofilter
[INFO] frobbed toml for stuartnelson3/biofilter written to work/ex/beta-1.38-1/sources/1.37.0/gh/stuartnelson3/biofilter/Cargo.toml
[INFO] started frobbing stuartnelson3/biofilter
[INFO] finished frobbing stuartnelson3/biofilter
[INFO] frobbed toml for stuartnelson3/biofilter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stuartnelson3/biofilter/Cargo.toml
[INFO] crate stuartnelson3/biofilter 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 stuartnelson3/biofilter 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-6/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/stuartnelson3/biofilter:/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] 96b01e97f7baee6666fe1cc6766d26b60e277f93f703c925dadb18ed96e4b718
[INFO] running `"docker" "start" "-a" "96b01e97f7baee6666fe1cc6766d26b60e277f93f703c925dadb18ed96e4b718"`
[INFO] [stderr]    Compiling biofilter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | /         match line {
[INFO] [stderr] 41 | |             Ok(line) => w.write(line.as_bytes()),
[INFO] [stderr] 42 | |             Err(_err) => continue,
[INFO] [stderr] 43 | |         };
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "96b01e97f7baee6666fe1cc6766d26b60e277f93f703c925dadb18ed96e4b718"`
[INFO] running `"docker" "rm" "-f" "96b01e97f7baee6666fe1cc6766d26b60e277f93f703c925dadb18ed96e4b718"`
[INFO] [stdout] 96b01e97f7baee6666fe1cc6766d26b60e277f93f703c925dadb18ed96e4b718
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/stuartnelson3/biofilter:/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] 84bbff6a8f9ca50126a57863bb1b1badacddf01369d1539354424aff971b95c3
[INFO] running `"docker" "start" "-a" "84bbff6a8f9ca50126a57863bb1b1badacddf01369d1539354424aff971b95c3"`
[INFO] [stderr]    Compiling biofilter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | /         match line {
[INFO] [stderr] 41 | |             Ok(line) => w.write(line.as_bytes()),
[INFO] [stderr] 42 | |             Err(_err) => continue,
[INFO] [stderr] 43 | |         };
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "84bbff6a8f9ca50126a57863bb1b1badacddf01369d1539354424aff971b95c3"`
[INFO] running `"docker" "rm" "-f" "84bbff6a8f9ca50126a57863bb1b1badacddf01369d1539354424aff971b95c3"`
[INFO] [stdout] 84bbff6a8f9ca50126a57863bb1b1badacddf01369d1539354424aff971b95c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/stuartnelson3/biofilter:/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] 48feea5a29a408cf0451e701ab554441a777ca97c703b0162eaa6f1364e30cdc
[INFO] running `"docker" "start" "-a" "48feea5a29a408cf0451e701ab554441a777ca97c703b0162eaa6f1364e30cdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/biofilter-ae091fca06579fa8
[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" "48feea5a29a408cf0451e701ab554441a777ca97c703b0162eaa6f1364e30cdc"`
[INFO] running `"docker" "rm" "-f" "48feea5a29a408cf0451e701ab554441a777ca97c703b0162eaa6f1364e30cdc"`
[INFO] [stdout] 48feea5a29a408cf0451e701ab554441a777ca97c703b0162eaa6f1364e30cdc