Dec 19 08:00:29.639 INFO checking strassl/blockchain against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:00:29.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/strassl/blockchain:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:00:30.224 INFO [stdout] 110ee58eb304863e437a4e61be9ff64b759492472ff19ccd803388137cde844e
Dec 19 08:00:30.226 INFO running `"docker" "start" "-a" "110ee58eb304863e437a4e61be9ff64b759492472ff19ccd803388137cde844e"`
Dec 19 08:00:32.276 INFO [stderr]     Checking serde_json v1.0.2
Dec 19 08:00:32.283 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 08:00:32.283 INFO [stderr]    Compiling serde_derive v1.0.8
Dec 19 08:00:32.283 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 08:00:44.784 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 19 08:00:45.416 INFO [stderr] warning: function is never used: `serialize`
Dec 19 08:00:45.417 INFO [stderr]  --> src/chain/serialization.rs:6:1
Dec 19 08:00:45.417 INFO [stderr]   |
Dec 19 08:00:45.417 INFO [stderr] 6 | pub fn serialize(chain: &Chain) -> Vec<u8> {
Dec 19 08:00:45.417 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:45.417 INFO [stderr]   |
Dec 19 08:00:45.417 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 08:00:45.418 INFO [stderr] 
Dec 19 08:00:45.418 INFO [stderr] warning: function is never used: `deserialize`
Dec 19 08:00:45.418 INFO [stderr]   --> src/chain/serialization.rs:10:1
Dec 19 08:00:45.418 INFO [stderr]    |
Dec 19 08:00:45.418 INFO [stderr] 10 | pub fn deserialize(data: &Vec<u8>) -> Result<Chain, String> {
Dec 19 08:00:45.418 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:45.419 INFO [stderr] 
Dec 19 08:00:45.932 INFO [stderr] warning: unused import: `deserialize`
Dec 19 08:00:45.936 INFO [stderr]   --> src/main.rs:10:39
Dec 19 08:00:45.936 INFO [stderr]    |
Dec 19 08:00:45.936 INFO [stderr] 10 | use chain::serialization::{serialize, deserialize};
Dec 19 08:00:45.936 INFO [stderr]    |                                       ^^^^^^^^^^^
Dec 19 08:00:45.936 INFO [stderr]    |
Dec 19 08:00:45.936 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 08:00:45.936 INFO [stderr] 
Dec 19 08:00:45.956 INFO [stderr] warning: unused import: `deserialize`
Dec 19 08:00:45.956 INFO [stderr]   --> src/main.rs:10:39
Dec 19 08:00:45.960 INFO [stderr]    |
Dec 19 08:00:45.960 INFO [stderr] 10 | use chain::serialization::{serialize, deserialize};
Dec 19 08:00:45.960 INFO [stderr]    |                                       ^^^^^^^^^^^
Dec 19 08:00:45.960 INFO [stderr]    |
Dec 19 08:00:45.960 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 08:00:45.960 INFO [stderr] 
Dec 19 08:00:46.514 INFO [stderr] warning: function is never used: `deserialize`
Dec 19 08:00:46.514 INFO [stderr]   --> src/chain/serialization.rs:10:1
Dec 19 08:00:46.514 INFO [stderr]    |
Dec 19 08:00:46.516 INFO [stderr] 10 | pub fn deserialize(data: &Vec<u8>) -> Result<Chain, String> {
Dec 19 08:00:46.516 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:00:46.516 INFO [stderr]    |
Dec 19 08:00:46.516 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:00:46.516 INFO [stderr] 
Dec 19 08:00:46.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.56s
Dec 19 08:00:52.370 INFO running `"docker" "inspect" "110ee58eb304863e437a4e61be9ff64b759492472ff19ccd803388137cde844e"`
Dec 19 08:00:52.654 INFO running `"docker" "rm" "-f" "110ee58eb304863e437a4e61be9ff64b759492472ff19ccd803388137cde844e"`
Dec 19 08:00:52.977 INFO [stdout] 110ee58eb304863e437a4e61be9ff64b759492472ff19ccd803388137cde844e