Dec 17 21:34:09.777 INFO checking keorn/parity-spec against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:34:09.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/keorn/parity-spec:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:34:10.327 INFO [stdout] 2e0bc9b0ab743e2d340ad906001b271301ef3a888098842f76981f7c1b29bad7
Dec 17 21:34:10.329 INFO running `"docker" "start" "-a" "2e0bc9b0ab743e2d340ad906001b271301ef3a888098842f76981f7c1b29bad7"`
Dec 17 21:34:13.228 INFO [stderr]     Checking serde v0.9.7
Dec 17 21:34:13.232 INFO [stderr]    Compiling syn v0.11.4
Dec 17 21:34:21.252 INFO [stderr]    Compiling serde_codegen_internals v0.13.0
Dec 17 21:34:24.197 INFO [stderr]    Compiling serde_derive v0.9.7
Dec 17 21:34:27.920 INFO [stderr]     Checking serde_json v0.9.6
Dec 17 21:34:31.420 INFO [stderr]     Checking chain_spec v0.1.0 (/opt/crater/workdir)
Dec 17 21:34:31.696 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 21:34:31.696 INFO [stderr]    --> src/main.rs:121:2
Dec 17 21:34:31.696 INFO [stderr]     |
Dec 17 21:34:31.696 INFO [stderr] 121 |     /// Read Geth chain spec.
Dec 17 21:34:31.696 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:34:31.696 INFO [stderr]     |
Dec 17 21:34:31.696 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 17 21:34:31.696 INFO [stderr] 
Dec 17 21:34:31.696 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 21:34:31.696 INFO [stderr]    --> src/main.rs:185:2
Dec 17 21:34:31.696 INFO [stderr]     |
Dec 17 21:34:31.696 INFO [stderr] 185 |     /// Construct Parity chain spec.
Dec 17 21:34:31.696 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:34:31.696 INFO [stderr] 
Dec 17 21:34:31.872 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 21:34:31.872 INFO [stderr]    --> src/main.rs:121:2
Dec 17 21:34:31.872 INFO [stderr]     |
Dec 17 21:34:31.872 INFO [stderr] 121 |     /// Read Geth chain spec.
Dec 17 21:34:31.872 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:34:31.872 INFO [stderr]     |
Dec 17 21:34:31.872 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 17 21:34:31.872 INFO [stderr] 
Dec 17 21:34:31.872 INFO [stderr] warning: doc comment not used by rustdoc
Dec 17 21:34:31.872 INFO [stderr]    --> src/main.rs:185:2
Dec 17 21:34:31.872 INFO [stderr]     |
Dec 17 21:34:31.872 INFO [stderr] 185 |     /// Construct Parity chain spec.
Dec 17 21:34:31.872 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:34:31.872 INFO [stderr] 
Dec 17 21:34:32.207 INFO [stderr] warning: field is never used: `eip158Block`
Dec 17 21:34:32.207 INFO [stderr]   --> src/main.rs:27:2
Dec 17 21:34:32.207 INFO [stderr]    |
Dec 17 21:34:32.207 INFO [stderr] 27 |     eip158Block: u64,
Dec 17 21:34:32.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 21:34:32.208 INFO [stderr]    |
Dec 17 21:34:32.208 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:34:32.209 INFO [stderr] 
Dec 17 21:34:32.427 INFO [stderr] warning: field is never used: `eip158Block`
Dec 17 21:34:32.427 INFO [stderr]   --> src/main.rs:27:2
Dec 17 21:34:32.427 INFO [stderr]    |
Dec 17 21:34:32.427 INFO [stderr] 27 |     eip158Block: u64,
Dec 17 21:34:32.427 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 21:34:32.427 INFO [stderr]    |
Dec 17 21:34:32.427 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:34:32.427 INFO [stderr] 
Dec 17 21:34:32.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.26s
Dec 17 21:34:33.541 INFO running `"docker" "inspect" "2e0bc9b0ab743e2d340ad906001b271301ef3a888098842f76981f7c1b29bad7"`
Dec 17 21:34:33.794 INFO running `"docker" "rm" "-f" "2e0bc9b0ab743e2d340ad906001b271301ef3a888098842f76981f7c1b29bad7"`
Dec 17 21:34:34.115 INFO [stdout] 2e0bc9b0ab743e2d340ad906001b271301ef3a888098842f76981f7c1b29bad7