[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/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/fneddy/rat12"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/fneddy/rat12'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fneddy/rat12" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/fneddy/rat12"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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 master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fneddy/rat12 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "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/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking fneddy/rat12 against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-6/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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=forbid" "-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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98d530999914ad286fb48b137c7ce7e9d974e059f2ff564596a586802192636c
[INFO] running `"docker" "start" "-a" "98d530999914ad286fb48b137c7ce7e9d974e059f2ff564596a586802192636c"`
[INFO] [stderr]     Checking 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: `...` 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] 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 1.06s
[INFO] running `"docker" "inspect" "98d530999914ad286fb48b137c7ce7e9d974e059f2ff564596a586802192636c"`
[INFO] running `"docker" "rm" "-f" "98d530999914ad286fb48b137c7ce7e9d974e059f2ff564596a586802192636c"`
[INFO] [stdout] 98d530999914ad286fb48b137c7ce7e9d974e059f2ff564596a586802192636c