[INFO] updating cached repository ExcaliburZero/jvm-class-file-parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ExcaliburZero/jvm-class-file-parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ExcaliburZero/jvm-class-file-parser" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/ExcaliburZero/jvm-class-file-parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/ExcaliburZero/jvm-class-file-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ExcaliburZero/jvm-class-file-parser" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/ExcaliburZero/jvm-class-file-parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/ExcaliburZero/jvm-class-file-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 612bc50bcf238a451b8beb6b957f714a51d1602c
[INFO] sha for GitHub repo ExcaliburZero/jvm-class-file-parser: 612bc50bcf238a451b8beb6b957f714a51d1602c
[INFO] validating manifest of ExcaliburZero/jvm-class-file-parser on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ExcaliburZero/jvm-class-file-parser on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ExcaliburZero/jvm-class-file-parser
[INFO] finished frobbing ExcaliburZero/jvm-class-file-parser
[INFO] frobbed toml for ExcaliburZero/jvm-class-file-parser written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/ExcaliburZero/jvm-class-file-parser/Cargo.toml
[INFO] started frobbing ExcaliburZero/jvm-class-file-parser
[INFO] finished frobbing ExcaliburZero/jvm-class-file-parser
[INFO] frobbed toml for ExcaliburZero/jvm-class-file-parser written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/ExcaliburZero/jvm-class-file-parser/Cargo.toml
[INFO] crate ExcaliburZero/jvm-class-file-parser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking ExcaliburZero/jvm-class-file-parser against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-0/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/ExcaliburZero/jvm-class-file-parser:/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d12e5dd7a3e86d60038cf9ab6c0b9e1a3b45df1e5acfe93e665218fa079c0714
[INFO] running `"docker" "start" "-a" "d12e5dd7a3e86d60038cf9ab6c0b9e1a3b45df1e5acfe93e665218fa079c0714"`
[INFO] [stderr]     Checking jvm-class-file-parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `CONSTANT_TAG_FIELDREF`
[INFO] [stderr]   --> src/writing.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const CONSTANT_TAG_FIELDREF: u8 = 9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CONSTANT_TAG_FIELDREF`
[INFO] [stderr]   --> src/writing.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const CONSTANT_TAG_FIELDREF: u8 = 9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `class_file`
[INFO] [stderr]    --> src/main.rs:221:19
[INFO] [stderr]     |
[INFO] [stderr] 221 | fn print_bytecode(class_file: &ClassFile, code: &[(usize, Bytecode)]) {
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_class_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `class_file`
[INFO] [stderr]    --> src/main.rs:221:19
[INFO] [stderr]     |
[INFO] [stderr] 221 | fn print_bytecode(class_file: &ClassFile, code: &[(usize, Bytecode)]) {
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_class_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "d12e5dd7a3e86d60038cf9ab6c0b9e1a3b45df1e5acfe93e665218fa079c0714"`
[INFO] running `"docker" "rm" "-f" "d12e5dd7a3e86d60038cf9ab6c0b9e1a3b45df1e5acfe93e665218fa079c0714"`
[INFO] [stdout] d12e5dd7a3e86d60038cf9ab6c0b9e1a3b45df1e5acfe93e665218fa079c0714