[INFO] updating cached repository AlexStory/onix-splitter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlexStory/onix-splitter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexStory/onix-splitter" "work/ex/beta-1.37-6/sources/1.36.0/gh/AlexStory/onix-splitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AlexStory/onix-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexStory/onix-splitter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexStory/onix-splitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexStory/onix-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71f1f7e211cff39426c25f7a21c358c46103763e
[INFO] sha for GitHub repo AlexStory/onix-splitter: 71f1f7e211cff39426c25f7a21c358c46103763e
[INFO] validating manifest of AlexStory/onix-splitter on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlexStory/onix-splitter on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlexStory/onix-splitter
[INFO] finished frobbing AlexStory/onix-splitter
[INFO] frobbed toml for AlexStory/onix-splitter written to work/ex/beta-1.37-6/sources/1.36.0/gh/AlexStory/onix-splitter/Cargo.toml
[INFO] started frobbing AlexStory/onix-splitter
[INFO] finished frobbing AlexStory/onix-splitter
[INFO] frobbed toml for AlexStory/onix-splitter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexStory/onix-splitter/Cargo.toml
[INFO] crate AlexStory/onix-splitter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AlexStory/onix-splitter against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexStory/onix-splitter:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 30f3aeb4a1446955eba84d438d8269602504d54583d3369365f44b243efbcbff
[INFO] running `"docker" "start" "-a" "30f3aeb4a1446955eba84d438d8269602504d54583d3369365f44b243efbcbff"`
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]    Compiling xml_splitter_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut new_file = File::create(fname).unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "30f3aeb4a1446955eba84d438d8269602504d54583d3369365f44b243efbcbff"`
[INFO] running `"docker" "rm" "-f" "30f3aeb4a1446955eba84d438d8269602504d54583d3369365f44b243efbcbff"`
[INFO] [stdout] 30f3aeb4a1446955eba84d438d8269602504d54583d3369365f44b243efbcbff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexStory/onix-splitter:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fd7579cf53690fd9a248eb0f3ff31e30843a408e60aba58d7972499f081320ca
[INFO] running `"docker" "start" "-a" "fd7579cf53690fd9a248eb0f3ff31e30843a408e60aba58d7972499f081320ca"`
[INFO] [stderr]    Compiling xml_splitter_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut new_file = File::create(fname).unwrap();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "fd7579cf53690fd9a248eb0f3ff31e30843a408e60aba58d7972499f081320ca"`
[INFO] running `"docker" "rm" "-f" "fd7579cf53690fd9a248eb0f3ff31e30843a408e60aba58d7972499f081320ca"`
[INFO] [stdout] fd7579cf53690fd9a248eb0f3ff31e30843a408e60aba58d7972499f081320ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexStory/onix-splitter:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 664dd9c4f1d71fd30bebdda6f1c33d2b9de2b1eec21534281280db2fd01d9ba0
[INFO] running `"docker" "start" "-a" "664dd9c4f1d71fd30bebdda6f1c33d2b9de2b1eec21534281280db2fd01d9ba0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xml_splitter_test-cda8d643bf66393e
[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" "664dd9c4f1d71fd30bebdda6f1c33d2b9de2b1eec21534281280db2fd01d9ba0"`
[INFO] running `"docker" "rm" "-f" "664dd9c4f1d71fd30bebdda6f1c33d2b9de2b1eec21534281280db2fd01d9ba0"`
[INFO] [stdout] 664dd9c4f1d71fd30bebdda6f1c33d2b9de2b1eec21534281280db2fd01d9ba0