Dec 11 08:42:36.511 INFO checking strassl/blockchain against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:42:36.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 08:42:37.049 INFO [stdout] 8b13a3d6d44f7f5487d0487b8fec885a271b7f5465d14086454da8abbc730f62
Dec 11 08:42:37.051 INFO running `"docker" "start" "-a" "8b13a3d6d44f7f5487d0487b8fec885a271b7f5465d14086454da8abbc730f62"`
Dec 11 08:42:39.580 INFO [stderr] usermod: no changes
Dec 11 08:42:39.797 INFO [stderr]    Compiling gcc v0.3.49
Dec 11 08:42:39.804 INFO [stderr]     Checking memchr v1.0.1
Dec 11 08:42:39.804 INFO [stderr]     Checking thread-id v3.1.0
Dec 11 08:42:40.394 INFO [stderr]     Checking thread_local v0.3.3
Dec 11 08:42:40.681 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 11 08:42:42.098 INFO [stderr]     Checking regex v0.2.2
Dec 11 08:42:44.765 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 11 08:42:48.153 INFO [stderr]     Checking env_logger v0.4.3
Dec 11 08:42:52.658 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Dec 11 08:42:53.688 INFO [stderr] warning: function is never used: `serialize`
Dec 11 08:42:53.688 INFO [stderr]  --> src/chain/serialization.rs:6:1
Dec 11 08:42:53.688 INFO [stderr]   |
Dec 11 08:42:53.688 INFO [stderr] 6 | pub fn serialize(chain: &Chain) -> Vec<u8> {
Dec 11 08:42:53.688 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:42:53.688 INFO [stderr]   |
Dec 11 08:42:53.688 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 08:42:53.688 INFO [stderr] 
Dec 11 08:42:53.688 INFO [stderr] warning: function is never used: `deserialize`
Dec 11 08:42:53.688 INFO [stderr]   --> src/chain/serialization.rs:10:1
Dec 11 08:42:53.688 INFO [stderr]    |
Dec 11 08:42:53.688 INFO [stderr] 10 | pub fn deserialize(data: &Vec<u8>) -> Result<Chain, String> {
Dec 11 08:42:53.688 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:42:53.688 INFO [stderr] 
Dec 11 08:42:54.379 INFO [stderr] warning: unused import: `deserialize`
Dec 11 08:42:54.379 INFO [stderr]   --> src/main.rs:10:39
Dec 11 08:42:54.379 INFO [stderr]    |
Dec 11 08:42:54.379 INFO [stderr] 10 | use chain::serialization::{serialize, deserialize};
Dec 11 08:42:54.379 INFO [stderr]    |                                       ^^^^^^^^^^^
Dec 11 08:42:54.379 INFO [stderr]    |
Dec 11 08:42:54.379 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 08:42:54.379 INFO [stderr] 
Dec 11 08:42:54.379 INFO [stderr] warning: unused import: `deserialize`
Dec 11 08:42:54.379 INFO [stderr]   --> src/main.rs:10:39
Dec 11 08:42:54.379 INFO [stderr]    |
Dec 11 08:42:54.379 INFO [stderr] 10 | use chain::serialization::{serialize, deserialize};
Dec 11 08:42:54.379 INFO [stderr]    |                                       ^^^^^^^^^^^
Dec 11 08:42:54.380 INFO [stderr]    |
Dec 11 08:42:54.380 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 08:42:54.380 INFO [stderr] 
Dec 11 08:42:54.792 INFO [stderr] warning: function is never used: `deserialize`
Dec 11 08:42:54.792 INFO [stderr]   --> src/chain/serialization.rs:10:1
Dec 11 08:42:54.792 INFO [stderr]    |
Dec 11 08:42:54.792 INFO [stderr] 10 | pub fn deserialize(data: &Vec<u8>) -> Result<Chain, String> {
Dec 11 08:42:54.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:42:54.792 INFO [stderr]    |
Dec 11 08:42:54.792 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:42:54.792 INFO [stderr] 
Dec 11 08:42:54.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.26s
Dec 11 08:42:54.887 INFO [stderr] su: No module specific data is present
Dec 11 08:42:56.058 INFO running `"docker" "inspect" "8b13a3d6d44f7f5487d0487b8fec885a271b7f5465d14086454da8abbc730f62"`
Dec 11 08:42:56.316 INFO running `"docker" "rm" "-f" "8b13a3d6d44f7f5487d0487b8fec885a271b7f5465d14086454da8abbc730f62"`
Dec 11 08:42:56.624 INFO [stdout] 8b13a3d6d44f7f5487d0487b8fec885a271b7f5465d14086454da8abbc730f62