[INFO] updating cached repository Rustensic/fat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rustensic/fat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustensic/fat" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Rustensic/fat"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Rustensic/fat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustensic/fat" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Rustensic/fat"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Rustensic/fat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6b80454ee34ffc7cc789e937647f37ad0e58820
[INFO] sha for GitHub repo Rustensic/fat: c6b80454ee34ffc7cc789e937647f37ad0e58820
[INFO] validating manifest of Rustensic/fat on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rustensic/fat on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Rustensic/fat
[INFO] finished frobbing Rustensic/fat
[INFO] frobbed toml for Rustensic/fat written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Rustensic/fat/Cargo.toml
[INFO] started frobbing Rustensic/fat
[INFO] finished frobbing Rustensic/fat
[INFO] frobbed toml for Rustensic/fat written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Rustensic/fat/Cargo.toml
[INFO] crate Rustensic/fat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Rustensic/fat/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Rustensic/fat against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Rustensic/fat:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 880bcbfc6161d86eeff516ad9a6f99c15ee75bc9d37bb0ffc4938a3acab81aa2
[INFO] running `"docker" "start" "-a" "880bcbfc6161d86eeff516ad9a6f99c15ee75bc9d37bb0ffc4938a3acab81aa2"`
[INFO] [stderr]     Checking fat v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `fetch_unicode_string`
[INFO] [stderr]   --> src/util.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | / pub(crate) fn fetch_unicode_string(
[INFO] [stderr] 84 | |     content: &[u8],
[INFO] [stderr] 85 | |     offset: usize,
[INFO] [stderr] 86 | |     max_length: usize,
[INFO] [stderr] ...  |
[INFO] [stderr] 97 | |     s
[INFO] [stderr] 98 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BRS`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) const BRS: [u8; 2] = [0x55, 0xAA];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_unicode_string`
[INFO] [stderr]   --> src/util.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | / pub(crate) fn fetch_unicode_string(
[INFO] [stderr] 84 | |     content: &[u8],
[INFO] [stderr] 85 | |     offset: usize,
[INFO] [stderr] 86 | |     max_length: usize,
[INFO] [stderr] ...  |
[INFO] [stderr] 97 | |     s
[INFO] [stderr] 98 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BRS`
[INFO] [stderr]  --> src/constants.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) const BRS: [u8; 2] = [0x55, 0xAA];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "880bcbfc6161d86eeff516ad9a6f99c15ee75bc9d37bb0ffc4938a3acab81aa2"`
[INFO] running `"docker" "rm" "-f" "880bcbfc6161d86eeff516ad9a6f99c15ee75bc9d37bb0ffc4938a3acab81aa2"`
[INFO] [stdout] 880bcbfc6161d86eeff516ad9a6f99c15ee75bc9d37bb0ffc4938a3acab81aa2