[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-1.38-1/sources/1.37.0/gh/AlexStory/onix-splitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AlexStory/onix-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexStory/onix-splitter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AlexStory/onix-splitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlexStory/onix-splitter 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 AlexStory/onix-splitter
[INFO] finished frobbing AlexStory/onix-splitter
[INFO] frobbed toml for AlexStory/onix-splitter written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 AlexStory/onix-splitter 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-5/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6a3757d6d4bf23247c0037a443a5ebea31a694863e22279c1455a396ebb84901
[INFO] running `"docker" "start" "-a" "6a3757d6d4bf23247c0037a443a5ebea31a694863e22279c1455a396ebb84901"`
[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 2.96s
[INFO] running `"docker" "inspect" "6a3757d6d4bf23247c0037a443a5ebea31a694863e22279c1455a396ebb84901"`
[INFO] running `"docker" "rm" "-f" "6a3757d6d4bf23247c0037a443a5ebea31a694863e22279c1455a396ebb84901"`
[INFO] [stdout] 6a3757d6d4bf23247c0037a443a5ebea31a694863e22279c1455a396ebb84901
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 715afbfbf0502291e40c9910f6266121fb1b79e505dd7c816bea78bdefc36dae
[INFO] running `"docker" "start" "-a" "715afbfbf0502291e40c9910f6266121fb1b79e505dd7c816bea78bdefc36dae"`
[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 0.92s
[INFO] running `"docker" "inspect" "715afbfbf0502291e40c9910f6266121fb1b79e505dd7c816bea78bdefc36dae"`
[INFO] running `"docker" "rm" "-f" "715afbfbf0502291e40c9910f6266121fb1b79e505dd7c816bea78bdefc36dae"`
[INFO] [stdout] 715afbfbf0502291e40c9910f6266121fb1b79e505dd7c816bea78bdefc36dae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c9065da3d9a11b7e722110c0bc3d8ec6571c02b430fe5b3c5ca23371ed98b183
[INFO] running `"docker" "start" "-a" "c9065da3d9a11b7e722110c0bc3d8ec6571c02b430fe5b3c5ca23371ed98b183"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xml_splitter_test-1e339294aa7d2ff3
[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" "c9065da3d9a11b7e722110c0bc3d8ec6571c02b430fe5b3c5ca23371ed98b183"`
[INFO] running `"docker" "rm" "-f" "c9065da3d9a11b7e722110c0bc3d8ec6571c02b430fe5b3c5ca23371ed98b183"`
[INFO] [stdout] c9065da3d9a11b7e722110c0bc3d8ec6571c02b430fe5b3c5ca23371ed98b183