[INFO] updating cached repository xfbs/svgcurves
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xfbs/svgcurves
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xfbs/svgcurves" "work/ex/beta-1.38-1/sources/1.37.0/gh/xfbs/svgcurves"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xfbs/svgcurves'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xfbs/svgcurves" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xfbs/svgcurves"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xfbs/svgcurves'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5c4cfb60f1b2ac2eb98ab91dd35bc298920e027
[INFO] sha for GitHub repo xfbs/svgcurves: c5c4cfb60f1b2ac2eb98ab91dd35bc298920e027
[INFO] validating manifest of xfbs/svgcurves 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 xfbs/svgcurves 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 xfbs/svgcurves
[INFO] finished frobbing xfbs/svgcurves
[INFO] frobbed toml for xfbs/svgcurves written to work/ex/beta-1.38-1/sources/1.37.0/gh/xfbs/svgcurves/Cargo.toml
[INFO] started frobbing xfbs/svgcurves
[INFO] finished frobbing xfbs/svgcurves
[INFO] frobbed toml for xfbs/svgcurves written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xfbs/svgcurves/Cargo.toml
[INFO] crate xfbs/svgcurves 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 xfbs/svgcurves 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-7/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/xfbs/svgcurves:/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] c3b112ffdaadbb62a83c36bd3ae5361a95996267bbffd3afaad6713b1fb7e4d0
[INFO] running `"docker" "start" "-a" "c3b112ffdaadbb62a83c36bd3ae5361a95996267bbffd3afaad6713b1fb7e4d0"`
[INFO] [stderr]    Compiling svg v0.5.11
[INFO] [stderr]    Compiling svgcurves v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/main.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn process(file_name: &str) {
[INFO] [stderr]    |            ^^^^^^^^^ help: consider prefixing with an underscore: `_file_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `"docker" "inspect" "c3b112ffdaadbb62a83c36bd3ae5361a95996267bbffd3afaad6713b1fb7e4d0"`
[INFO] running `"docker" "rm" "-f" "c3b112ffdaadbb62a83c36bd3ae5361a95996267bbffd3afaad6713b1fb7e4d0"`
[INFO] [stdout] c3b112ffdaadbb62a83c36bd3ae5361a95996267bbffd3afaad6713b1fb7e4d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/xfbs/svgcurves:/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] 940ce75dc7c7c48302e6b4adf29ddb2163713c36d29d492d5f6139d39b836f73
[INFO] running `"docker" "start" "-a" "940ce75dc7c7c48302e6b4adf29ddb2163713c36d29d492d5f6139d39b836f73"`
[INFO] [stderr]    Compiling svgcurves v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]   --> src/main.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn process(file_name: &str) {
[INFO] [stderr]    |            ^^^^^^^^^ help: consider prefixing with an underscore: `_file_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "940ce75dc7c7c48302e6b4adf29ddb2163713c36d29d492d5f6139d39b836f73"`
[INFO] running `"docker" "rm" "-f" "940ce75dc7c7c48302e6b4adf29ddb2163713c36d29d492d5f6139d39b836f73"`
[INFO] [stdout] 940ce75dc7c7c48302e6b4adf29ddb2163713c36d29d492d5f6139d39b836f73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/xfbs/svgcurves:/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] c59bf461973e49abebd392d3f817a1461491acdfc150decee4b5af7467e458db
[INFO] running `"docker" "start" "-a" "c59bf461973e49abebd392d3f817a1461491acdfc150decee4b5af7467e458db"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/svgcurves-b4c54269e986f2f4
[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" "c59bf461973e49abebd392d3f817a1461491acdfc150decee4b5af7467e458db"`
[INFO] running `"docker" "rm" "-f" "c59bf461973e49abebd392d3f817a1461491acdfc150decee4b5af7467e458db"`
[INFO] [stdout] c59bf461973e49abebd392d3f817a1461491acdfc150decee4b5af7467e458db