[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 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f4fba8b2a9cbee622279258e7e954006cfa1ebce3592c2eb840f57494da10bf2
[INFO] running `"docker" "start" "-a" "f4fba8b2a9cbee622279258e7e954006cfa1ebce3592c2eb840f57494da10bf2"`
[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 2.46s
[INFO] running `"docker" "inspect" "f4fba8b2a9cbee622279258e7e954006cfa1ebce3592c2eb840f57494da10bf2"`
[INFO] running `"docker" "rm" "-f" "f4fba8b2a9cbee622279258e7e954006cfa1ebce3592c2eb840f57494da10bf2"`
[INFO] [stdout] f4fba8b2a9cbee622279258e7e954006cfa1ebce3592c2eb840f57494da10bf2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6eaca3680de9c37dbc9aa71b3efed353044c87205f55c4220029c3f1e5519a16
[INFO] running `"docker" "start" "-a" "6eaca3680de9c37dbc9aa71b3efed353044c87205f55c4220029c3f1e5519a16"`
[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 0.83s
[INFO] running `"docker" "inspect" "6eaca3680de9c37dbc9aa71b3efed353044c87205f55c4220029c3f1e5519a16"`
[INFO] running `"docker" "rm" "-f" "6eaca3680de9c37dbc9aa71b3efed353044c87205f55c4220029c3f1e5519a16"`
[INFO] [stdout] 6eaca3680de9c37dbc9aa71b3efed353044c87205f55c4220029c3f1e5519a16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fe49553b0465ec931bfb3f34d1b2bb35584e796680b100e2913d2a873618e2ce
[INFO] running `"docker" "start" "-a" "fe49553b0465ec931bfb3f34d1b2bb35584e796680b100e2913d2a873618e2ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/biofilter-56d03f2c2e99efa7
[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" "fe49553b0465ec931bfb3f34d1b2bb35584e796680b100e2913d2a873618e2ce"`
[INFO] running `"docker" "rm" "-f" "fe49553b0465ec931bfb3f34d1b2bb35584e796680b100e2913d2a873618e2ce"`
[INFO] [stdout] fe49553b0465ec931bfb3f34d1b2bb35584e796680b100e2913d2a873618e2ce