[INFO] updating cached repository fneddy/rat12
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fneddy/rat12
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fneddy/rat12" "work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/rat12"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/rat12'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fneddy/rat12" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fneddy/rat12"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fneddy/rat12'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dcfdb60f9b742311a3916386f6e43e2d900c3de5
[INFO] sha for GitHub repo fneddy/rat12: dcfdb60f9b742311a3916386f6e43e2d900c3de5
[INFO] validating manifest of fneddy/rat12 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 fneddy/rat12 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 fneddy/rat12
[INFO] finished frobbing fneddy/rat12
[INFO] frobbed toml for fneddy/rat12 written to work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/rat12/Cargo.toml
[INFO] started frobbing fneddy/rat12
[INFO] finished frobbing fneddy/rat12
[INFO] frobbed toml for fneddy/rat12 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fneddy/rat12/Cargo.toml
[INFO] crate fneddy/rat12 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 fneddy/rat12 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/rat12:/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] 6e3feda9236ca78bb89ed057531c79bfa6c112ecfbd1cb2bb7e93e686b877aaf
[INFO] running `"docker" "start" "-a" "6e3feda9236ca78bb89ed057531c79bfa6c112ecfbd1cb2bb7e93e686b877aaf"`
[INFO] [stderr]    Compiling rat12 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/fat_boot_sector.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 v @ 0xF9...0xFF => MediaDescriptor::FloppyPartition(v),
[INFO] [stderr]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/cluster.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cluster.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new(mut descriptor: Arc<RwLock<T>>,
[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 1.42s
[INFO] running `"docker" "inspect" "6e3feda9236ca78bb89ed057531c79bfa6c112ecfbd1cb2bb7e93e686b877aaf"`
[INFO] running `"docker" "rm" "-f" "6e3feda9236ca78bb89ed057531c79bfa6c112ecfbd1cb2bb7e93e686b877aaf"`
[INFO] [stdout] 6e3feda9236ca78bb89ed057531c79bfa6c112ecfbd1cb2bb7e93e686b877aaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/rat12:/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] 0bf6dcbb5a02121e29751f159a0e4b5ab178d8f4254b760eb72f6d6fbb9433ea
[INFO] running `"docker" "start" "-a" "0bf6dcbb5a02121e29751f159a0e4b5ab178d8f4254b760eb72f6d6fbb9433ea"`
[INFO] [stderr]    Compiling rat12 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/fat_boot_sector.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 v @ 0xF9...0xFF => MediaDescriptor::FloppyPartition(v),
[INFO] [stderr]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/cluster.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cluster.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new(mut descriptor: Arc<RwLock<T>>,
[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 1.42s
[INFO] running `"docker" "inspect" "0bf6dcbb5a02121e29751f159a0e4b5ab178d8f4254b760eb72f6d6fbb9433ea"`
[INFO] running `"docker" "rm" "-f" "0bf6dcbb5a02121e29751f159a0e4b5ab178d8f4254b760eb72f6d6fbb9433ea"`
[INFO] [stdout] 0bf6dcbb5a02121e29751f159a0e4b5ab178d8f4254b760eb72f6d6fbb9433ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/rat12:/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] 42e03caf7f338b26b6779dccecea6846546b1ab167b5b43418008e3140c5b5d3
[INFO] running `"docker" "start" "-a" "42e03caf7f338b26b6779dccecea6846546b1ab167b5b43418008e3140c5b5d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rat12-5b6c13d06f8bdb73
[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] [stderr]      Running /opt/crater/target/debug/deps/rat12-7db132818f3ef9ae
[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] [stderr]    Doc-tests rat12
[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" "42e03caf7f338b26b6779dccecea6846546b1ab167b5b43418008e3140c5b5d3"`
[INFO] running `"docker" "rm" "-f" "42e03caf7f338b26b6779dccecea6846546b1ab167b5b43418008e3140c5b5d3"`
[INFO] [stdout] 42e03caf7f338b26b6779dccecea6846546b1ab167b5b43418008e3140c5b5d3