Dec 05 00:58:16.302 INFO checking Niedzwiedzw/rust_blockchain against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:58:16.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 00:58:16.615 INFO [stdout] 3f9f283d7b1e7d20eee6eb416eb4feb9d28f89b664aadcca321f73857f0737b1
Dec 05 00:58:16.621 INFO running `"docker" "start" "-a" "3f9f283d7b1e7d20eee6eb416eb4feb9d28f89b664aadcca321f73857f0737b1"`
Dec 05 00:58:17.414 INFO [stderr] usermod: no changes
Dec 05 00:58:17.487 INFO [stderr]     Checking byteorder v1.2.7
Dec 05 00:58:18.067 INFO [stderr]     Checking block-buffer v0.7.0
Dec 05 00:58:18.353 INFO [stderr]     Checking sha2 v0.8.0
Dec 05 00:58:19.280 INFO [stderr]     Checking rust-blockchain v0.1.0 (/source)
Dec 05 00:58:20.535 INFO [stderr] warning: unused import: `Sha256`
Dec 05 00:58:20.535 INFO [stderr]  --> src/blockchain.rs:2:12
Dec 05 00:58:20.535 INFO [stderr]   |
Dec 05 00:58:20.535 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 05 00:58:20.535 INFO [stderr]   |            ^^^^^^
Dec 05 00:58:20.535 INFO [stderr]   |
Dec 05 00:58:20.535 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:58:20.535 INFO [stderr] 
Dec 05 00:58:20.535 INFO [stderr] warning: unused import: `to_text`
Dec 05 00:58:20.535 INFO [stderr]  --> src/main.rs:4:36
Dec 05 00:58:20.535 INFO [stderr]   |
Dec 05 00:58:20.535 INFO [stderr] 4 | use self::blockchain::{BlockChain, to_text};
Dec 05 00:58:20.535 INFO [stderr]   |                                    ^^^^^^^
Dec 05 00:58:20.535 INFO [stderr] 
Dec 05 00:58:20.635 INFO [stderr] warning: unused import: `Sha256`
Dec 05 00:58:20.635 INFO [stderr]  --> src/blockchain.rs:2:12
Dec 05 00:58:20.635 INFO [stderr]   |
Dec 05 00:58:20.635 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 05 00:58:20.636 INFO [stderr]   |            ^^^^^^
Dec 05 00:58:20.636 INFO [stderr]   |
Dec 05 00:58:20.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:58:20.636 INFO [stderr] 
Dec 05 00:58:20.636 INFO [stderr] warning: unused import: `to_text`
Dec 05 00:58:20.636 INFO [stderr]  --> src/main.rs:4:36
Dec 05 00:58:20.636 INFO [stderr]   |
Dec 05 00:58:20.636 INFO [stderr] 4 | use self::blockchain::{BlockChain, to_text};
Dec 05 00:58:20.636 INFO [stderr]   |                                    ^^^^^^^
Dec 05 00:58:20.636 INFO [stderr] 
Dec 05 00:58:20.654 INFO [stderr] warning: unused import: `Digest`
Dec 05 00:58:20.654 INFO [stderr]  --> src/blockchain.rs:2:20
Dec 05 00:58:20.654 INFO [stderr]   |
Dec 05 00:58:20.654 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 05 00:58:20.655 INFO [stderr]   |                    ^^^^^^
Dec 05 00:58:20.655 INFO [stderr] 
Dec 05 00:58:20.701 INFO [stderr] warning: constant item is never used: `BUFF_SIZE`
Dec 05 00:58:20.701 INFO [stderr]   --> src/main.rs:10:1
Dec 05 00:58:20.702 INFO [stderr]    |
Dec 05 00:58:20.702 INFO [stderr] 10 | const BUFF_SIZE: usize = DATA_SIZE + HASH_SIZE;
Dec 05 00:58:20.702 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:58:20.703 INFO [stderr]    |
Dec 05 00:58:20.703 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:58:20.703 INFO [stderr] 
Dec 05 00:58:20.703 INFO [stderr] warning: type alias is never used: `BlockBuff`
Dec 05 00:58:20.704 INFO [stderr]   --> src/main.rs:12:1
Dec 05 00:58:20.704 INFO [stderr]    |
Dec 05 00:58:20.704 INFO [stderr] 12 | type BlockBuff = [u8; BUFF_SIZE];
Dec 05 00:58:20.704 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:58:20.706 INFO [stderr] 
Dec 05 00:58:20.795 INFO [stderr] warning: unused import: `Digest`
Dec 05 00:58:20.795 INFO [stderr]  --> src/blockchain.rs:2:20
Dec 05 00:58:20.795 INFO [stderr]   |
Dec 05 00:58:20.795 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 05 00:58:20.795 INFO [stderr]   |                    ^^^^^^
Dec 05 00:58:20.795 INFO [stderr] 
Dec 05 00:58:20.855 INFO [stderr] warning: constant item is never used: `BUFF_SIZE`
Dec 05 00:58:20.855 INFO [stderr]   --> src/main.rs:10:1
Dec 05 00:58:20.855 INFO [stderr]    |
Dec 05 00:58:20.855 INFO [stderr] 10 | const BUFF_SIZE: usize = DATA_SIZE + HASH_SIZE;
Dec 05 00:58:20.855 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:58:20.855 INFO [stderr]    |
Dec 05 00:58:20.855 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:58:20.855 INFO [stderr] 
Dec 05 00:58:20.855 INFO [stderr] warning: type alias is never used: `BlockBuff`
Dec 05 00:58:20.855 INFO [stderr]   --> src/main.rs:12:1
Dec 05 00:58:20.855 INFO [stderr]    |
Dec 05 00:58:20.855 INFO [stderr] 12 | type BlockBuff = [u8; BUFF_SIZE];
Dec 05 00:58:20.855 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:58:20.855 INFO [stderr] 
Dec 05 00:58:20.875 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Dec 05 00:58:20.879 INFO [stderr] su: No module specific data is present
Dec 05 00:58:21.669 INFO running `"docker" "inspect" "3f9f283d7b1e7d20eee6eb416eb4feb9d28f89b664aadcca321f73857f0737b1"`
Dec 05 00:58:21.854 INFO running `"docker" "rm" "-f" "3f9f283d7b1e7d20eee6eb416eb4feb9d28f89b664aadcca321f73857f0737b1"`
Dec 05 00:58:22.059 INFO [stdout] 3f9f283d7b1e7d20eee6eb416eb4feb9d28f89b664aadcca321f73857f0737b1