[INFO] updating cached repository kogai/gzip-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kogai/gzip-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/gzip-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kogai/gzip-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kogai/gzip-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/gzip-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kogai/gzip-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kogai/gzip-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f8f9d64b67260b9820438425f245e961218b862
[INFO] sha for GitHub repo kogai/gzip-rs: 7f8f9d64b67260b9820438425f245e961218b862
[INFO] validating manifest of kogai/gzip-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kogai/gzip-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kogai/gzip-rs
[INFO] finished frobbing kogai/gzip-rs
[INFO] frobbed toml for kogai/gzip-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kogai/gzip-rs/Cargo.toml
[INFO] started frobbing kogai/gzip-rs
[INFO] finished frobbing kogai/gzip-rs
[INFO] frobbed toml for kogai/gzip-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kogai/gzip-rs/Cargo.toml
[INFO] crate kogai/gzip-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kogai/gzip-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kogai/gzip-rs:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3863b4a68bd8a0ae2e87ea7c3f363b7ed300b9d8efae1625a2a37608a501c4a8
[INFO] running `"docker" "start" "-a" "3863b4a68bd8a0ae2e87ea7c3f363b7ed300b9d8efae1625a2a37608a501c4a8"`
[INFO] [stderr]     Checking gzip-rs v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `raw`
[INFO] [stderr]  --> src/lz77.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn compose(raw: &[u8]) -> Vec<Code> {
[INFO] [stderr]   |                ^^^ help: consider prefixing with an underscore: `_raw`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Character`
[INFO] [stderr]  --> src/lz77.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 |   Character(u8),
[INFO] [stderr]   |   ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pair`
[INFO] [stderr]  --> src/lz77.rs:4:3
[INFO] [stderr]   |
[INFO] [stderr] 4 |   Pair(u16, u32), // (len, pos)
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compose`
[INFO] [stderr]  --> src/lz77.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn compose(raw: &[u8]) -> Vec<Code> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw`
[INFO] [stderr]  --> src/lz77.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn compose(raw: &[u8]) -> Vec<Code> {
[INFO] [stderr]   |                ^^^ help: consider prefixing with an underscore: `_raw`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "3863b4a68bd8a0ae2e87ea7c3f363b7ed300b9d8efae1625a2a37608a501c4a8"`
[INFO] running `"docker" "rm" "-f" "3863b4a68bd8a0ae2e87ea7c3f363b7ed300b9d8efae1625a2a37608a501c4a8"`
[INFO] [stdout] 3863b4a68bd8a0ae2e87ea7c3f363b7ed300b9d8efae1625a2a37608a501c4a8