Nov 28 11:58:23.059 INFO checking Niedzwiedzw/rust_blockchain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:58:23.059 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 11:58:23.401 INFO [stdout] 0f2900c4a5a348d8b7b68c6763053c3118a236936fca1da3166f07b6f67ec0ee
Nov 28 11:58:23.408 INFO running `"docker" "start" "-a" "0f2900c4a5a348d8b7b68c6763053c3118a236936fca1da3166f07b6f67ec0ee"`
Nov 28 11:58:24.184 INFO [stderr] usermod: no changes
Nov 28 11:58:24.265 INFO [stderr]     Checking byteorder v1.2.7
Nov 28 11:58:24.695 INFO [stderr]     Checking block-buffer v0.7.0
Nov 28 11:58:24.992 INFO [stderr]     Checking sha2 v0.8.0
Nov 28 11:58:25.922 INFO [stderr]     Checking rust-blockchain v0.1.0 (/source)
Nov 28 11:58:27.203 INFO [stderr] warning: unused import: `Sha256`
Nov 28 11:58:27.204 INFO [stderr]  --> src/blockchain.rs:2:12
Nov 28 11:58:27.205 INFO [stderr]   |
Nov 28 11:58:27.205 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Nov 28 11:58:27.206 INFO [stderr]   |            ^^^^^^
Nov 28 11:58:27.206 INFO [stderr]   |
Nov 28 11:58:27.207 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:58:27.208 INFO [stderr] 
Nov 28 11:58:27.209 INFO [stderr] warning: unused import: `to_text`
Nov 28 11:58:27.209 INFO [stderr]  --> src/main.rs:4:36
Nov 28 11:58:27.210 INFO [stderr]   |
Nov 28 11:58:27.210 INFO [stderr] 4 | use self::blockchain::{BlockChain, to_text};
Nov 28 11:58:27.211 INFO [stderr]   |                                    ^^^^^^^
Nov 28 11:58:27.211 INFO [stderr] 
Nov 28 11:58:27.384 INFO [stderr] warning: unused import: `Digest`
Nov 28 11:58:27.385 INFO [stderr]  --> src/blockchain.rs:2:20
Nov 28 11:58:27.386 INFO [stderr]   |
Nov 28 11:58:27.386 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Nov 28 11:58:27.387 INFO [stderr]   |                    ^^^^^^
Nov 28 11:58:27.387 INFO [stderr] 
Nov 28 11:58:27.399 INFO [stderr] warning: unused import: `Sha256`
Nov 28 11:58:27.400 INFO [stderr]  --> src/blockchain.rs:2:12
Nov 28 11:58:27.400 INFO [stderr]   |
Nov 28 11:58:27.401 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Nov 28 11:58:27.401 INFO [stderr]   |            ^^^^^^
Nov 28 11:58:27.402 INFO [stderr]   |
Nov 28 11:58:27.403 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:58:27.403 INFO [stderr] 
Nov 28 11:58:27.404 INFO [stderr] warning: unused import: `to_text`
Nov 28 11:58:27.404 INFO [stderr]  --> src/main.rs:4:36
Nov 28 11:58:27.405 INFO [stderr]   |
Nov 28 11:58:27.406 INFO [stderr] 4 | use self::blockchain::{BlockChain, to_text};
Nov 28 11:58:27.406 INFO [stderr]   |                                    ^^^^^^^
Nov 28 11:58:27.407 INFO [stderr] 
Nov 28 11:58:27.448 INFO [stderr] warning: constant item is never used: `BUFF_SIZE`
Nov 28 11:58:27.449 INFO [stderr]   --> src/main.rs:10:1
Nov 28 11:58:27.449 INFO [stderr]    |
Nov 28 11:58:27.449 INFO [stderr] 10 | const BUFF_SIZE: usize = DATA_SIZE + HASH_SIZE;
Nov 28 11:58:27.449 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:58:27.450 INFO [stderr]    |
Nov 28 11:58:27.450 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:58:27.451 INFO [stderr] 
Nov 28 11:58:27.451 INFO [stderr] warning: type alias is never used: `BlockBuff`
Nov 28 11:58:27.452 INFO [stderr]   --> src/main.rs:12:1
Nov 28 11:58:27.452 INFO [stderr]    |
Nov 28 11:58:27.452 INFO [stderr] 12 | type BlockBuff = [u8; BUFF_SIZE];
Nov 28 11:58:27.452 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:58:27.452 INFO [stderr] 
Nov 28 11:58:27.557 INFO [stderr] warning: unused import: `Digest`
Nov 28 11:58:27.557 INFO [stderr]  --> src/blockchain.rs:2:20
Nov 28 11:58:27.557 INFO [stderr]   |
Nov 28 11:58:27.557 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Nov 28 11:58:27.557 INFO [stderr]   |                    ^^^^^^
Nov 28 11:58:27.557 INFO [stderr] 
Nov 28 11:58:27.605 INFO [stderr] warning: constant item is never used: `BUFF_SIZE`
Nov 28 11:58:27.606 INFO [stderr]   --> src/main.rs:10:1
Nov 28 11:58:27.607 INFO [stderr]    |
Nov 28 11:58:27.607 INFO [stderr] 10 | const BUFF_SIZE: usize = DATA_SIZE + HASH_SIZE;
Nov 28 11:58:27.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:58:27.609 INFO [stderr]    |
Nov 28 11:58:27.609 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:58:27.610 INFO [stderr] 
Nov 28 11:58:27.610 INFO [stderr] warning: type alias is never used: `BlockBuff`
Nov 28 11:58:27.611 INFO [stderr]   --> src/main.rs:12:1
Nov 28 11:58:27.611 INFO [stderr]    |
Nov 28 11:58:27.612 INFO [stderr] 12 | type BlockBuff = [u8; BUFF_SIZE];
Nov 28 11:58:27.613 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:58:27.613 INFO [stderr] 
Nov 28 11:58:27.645 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
Nov 28 11:58:27.649 INFO [stderr] su: No module specific data is present
Nov 28 11:58:28.368 INFO running `"docker" "inspect" "0f2900c4a5a348d8b7b68c6763053c3118a236936fca1da3166f07b6f67ec0ee"`
Nov 28 11:58:28.565 INFO running `"docker" "rm" "-f" "0f2900c4a5a348d8b7b68c6763053c3118a236936fca1da3166f07b6f67ec0ee"`
Nov 28 11:58:28.751 INFO [stdout] 0f2900c4a5a348d8b7b68c6763053c3118a236936fca1da3166f07b6f67ec0ee