[INFO] updating cached repository DCP-solved-with-Rust/dcp_00003
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DCP-solved-with-Rust/dcp_00003
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DCP-solved-with-Rust/dcp_00003" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/DCP-solved-with-Rust/dcp_00003"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/DCP-solved-with-Rust/dcp_00003'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DCP-solved-with-Rust/dcp_00003" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/DCP-solved-with-Rust/dcp_00003"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/DCP-solved-with-Rust/dcp_00003'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d76f6932e578d891f5433167a477c8e9c7e5ee03
[INFO] sha for GitHub repo DCP-solved-with-Rust/dcp_00003: d76f6932e578d891f5433167a477c8e9c7e5ee03
[INFO] validating manifest of DCP-solved-with-Rust/dcp_00003 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DCP-solved-with-Rust/dcp_00003 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DCP-solved-with-Rust/dcp_00003
[INFO] finished frobbing DCP-solved-with-Rust/dcp_00003
[INFO] frobbed toml for DCP-solved-with-Rust/dcp_00003 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/DCP-solved-with-Rust/dcp_00003/Cargo.toml
[INFO] started frobbing DCP-solved-with-Rust/dcp_00003
[INFO] finished frobbing DCP-solved-with-Rust/dcp_00003
[INFO] frobbed toml for DCP-solved-with-Rust/dcp_00003 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/DCP-solved-with-Rust/dcp_00003/Cargo.toml
[INFO] crate DCP-solved-with-Rust/dcp_00003 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DCP-solved-with-Rust/dcp_00003 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/DCP-solved-with-Rust/dcp_00003:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eba612e5d3fe6e9151a4151969cb359b79e3568a2db1a6a9fe3efcf880ff0b46
[INFO] running `"docker" "start" "-a" "eba612e5d3fe6e9151a4151969cb359b79e3568a2db1a6a9fe3efcf880ff0b46"`
[INFO] [stderr]     Checking dcp_00003 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `serialize`
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn serialize (root: Node) -> String
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize`
[INFO] [stderr]   --> src/lib.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn deserialize (s: String) -> Node
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "eba612e5d3fe6e9151a4151969cb359b79e3568a2db1a6a9fe3efcf880ff0b46"`
[INFO] running `"docker" "rm" "-f" "eba612e5d3fe6e9151a4151969cb359b79e3568a2db1a6a9fe3efcf880ff0b46"`
[INFO] [stdout] eba612e5d3fe6e9151a4151969cb359b79e3568a2db1a6a9fe3efcf880ff0b46