Dec 14 07:28:39.163 INFO testing Niedzwiedzw/rust_blockchain against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:28:39.163 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 07:28:39.708 INFO [stdout] 4805879f835a7301dee5f51d9fb471ffb1b3ddf86d461c685a53762a411d3dff
Dec 14 07:28:39.710 INFO running `"docker" "start" "-a" "4805879f835a7301dee5f51d9fb471ffb1b3ddf86d461c685a53762a411d3dff"`
Dec 14 07:28:40.947 INFO [stderr] usermod: no changes
Dec 14 07:28:41.025 INFO [stderr]    Compiling rust-blockchain v0.1.0 (/source)
Dec 14 07:28:41.842 INFO [stderr] warning: unused import: `Sha256`
Dec 14 07:28:41.842 INFO [stderr]  --> src/blockchain.rs:2:12
Dec 14 07:28:41.842 INFO [stderr]   |
Dec 14 07:28:41.842 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 14 07:28:41.842 INFO [stderr]   |            ^^^^^^
Dec 14 07:28:41.842 INFO [stderr]   |
Dec 14 07:28:41.842 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:28:41.842 INFO [stderr] 
Dec 14 07:28:41.843 INFO [stderr] warning: unused import: `to_text`
Dec 14 07:28:41.843 INFO [stderr]  --> src/main.rs:4:36
Dec 14 07:28:41.843 INFO [stderr]   |
Dec 14 07:28:41.843 INFO [stderr] 4 | use self::blockchain::{BlockChain, to_text};
Dec 14 07:28:41.843 INFO [stderr]   |                                    ^^^^^^^
Dec 14 07:28:41.843 INFO [stderr] 
Dec 14 07:28:41.991 INFO [stderr] warning: unused import: `Digest`
Dec 14 07:28:41.991 INFO [stderr]  --> src/blockchain.rs:2:20
Dec 14 07:28:41.991 INFO [stderr]   |
Dec 14 07:28:41.991 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 14 07:28:41.991 INFO [stderr]   |                    ^^^^^^
Dec 14 07:28:41.991 INFO [stderr] 
Dec 14 07:28:42.039 INFO [stderr] warning: constant item is never used: `BUFF_SIZE`
Dec 14 07:28:42.040 INFO [stderr]   --> src/main.rs:10:1
Dec 14 07:28:42.040 INFO [stderr]    |
Dec 14 07:28:42.040 INFO [stderr] 10 | const BUFF_SIZE: usize = DATA_SIZE + HASH_SIZE;
Dec 14 07:28:42.040 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:42.040 INFO [stderr]    |
Dec 14 07:28:42.040 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:28:42.040 INFO [stderr] 
Dec 14 07:28:42.040 INFO [stderr] warning: type alias is never used: `BlockBuff`
Dec 14 07:28:42.040 INFO [stderr]   --> src/main.rs:12:1
Dec 14 07:28:42.040 INFO [stderr]    |
Dec 14 07:28:42.040 INFO [stderr] 12 | type BlockBuff = [u8; BUFF_SIZE];
Dec 14 07:28:42.040 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:42.040 INFO [stderr] 
Dec 14 07:28:42.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 14 07:28:42.835 INFO [stderr] su: No module specific data is present
Dec 14 07:28:43.765 INFO running `"docker" "inspect" "4805879f835a7301dee5f51d9fb471ffb1b3ddf86d461c685a53762a411d3dff"`
Dec 14 07:28:43.949 INFO running `"docker" "rm" "-f" "4805879f835a7301dee5f51d9fb471ffb1b3ddf86d461c685a53762a411d3dff"`
Dec 14 07:28:44.186 INFO [stdout] 4805879f835a7301dee5f51d9fb471ffb1b3ddf86d461c685a53762a411d3dff
Dec 14 07:28:44.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 07:28:44.675 INFO [stdout] 0e9d9075fe98581fee9315a4c210b2c2b925906b60169a0c6b83244250c366fe
Dec 14 07:28:44.677 INFO running `"docker" "start" "-a" "0e9d9075fe98581fee9315a4c210b2c2b925906b60169a0c6b83244250c366fe"`
Dec 14 07:28:45.585 INFO [stderr] usermod: no changes
Dec 14 07:28:45.635 INFO [stderr]    Compiling rust-blockchain v0.1.0 (/source)
Dec 14 07:28:46.407 INFO [stderr] warning: unused import: `Sha256`
Dec 14 07:28:46.407 INFO [stderr]  --> src/blockchain.rs:2:12
Dec 14 07:28:46.407 INFO [stderr]   |
Dec 14 07:28:46.407 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 14 07:28:46.407 INFO [stderr]   |            ^^^^^^
Dec 14 07:28:46.407 INFO [stderr]   |
Dec 14 07:28:46.407 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:28:46.407 INFO [stderr] 
Dec 14 07:28:46.408 INFO [stderr] warning: unused import: `to_text`
Dec 14 07:28:46.408 INFO [stderr]  --> src/main.rs:4:36
Dec 14 07:28:46.408 INFO [stderr]   |
Dec 14 07:28:46.408 INFO [stderr] 4 | use self::blockchain::{BlockChain, to_text};
Dec 14 07:28:46.408 INFO [stderr]   |                                    ^^^^^^^
Dec 14 07:28:46.408 INFO [stderr] 
Dec 14 07:28:46.522 INFO [stderr] warning: unused import: `Digest`
Dec 14 07:28:46.522 INFO [stderr]  --> src/blockchain.rs:2:20
Dec 14 07:28:46.522 INFO [stderr]   |
Dec 14 07:28:46.523 INFO [stderr] 2 | use sha2::{Sha256, Digest};
Dec 14 07:28:46.523 INFO [stderr]   |                    ^^^^^^
Dec 14 07:28:46.523 INFO [stderr] 
Dec 14 07:28:46.562 INFO [stderr] warning: constant item is never used: `BUFF_SIZE`
Dec 14 07:28:46.562 INFO [stderr]   --> src/main.rs:10:1
Dec 14 07:28:46.562 INFO [stderr]    |
Dec 14 07:28:46.562 INFO [stderr] 10 | const BUFF_SIZE: usize = DATA_SIZE + HASH_SIZE;
Dec 14 07:28:46.562 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:46.562 INFO [stderr]    |
Dec 14 07:28:46.562 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 07:28:46.562 INFO [stderr] 
Dec 14 07:28:46.562 INFO [stderr] warning: type alias is never used: `BlockBuff`
Dec 14 07:28:46.562 INFO [stderr]   --> src/main.rs:12:1
Dec 14 07:28:46.562 INFO [stderr]    |
Dec 14 07:28:46.562 INFO [stderr] 12 | type BlockBuff = [u8; BUFF_SIZE];
Dec 14 07:28:46.562 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:28:46.562 INFO [stderr] 
Dec 14 07:28:46.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Dec 14 07:28:46.861 INFO [stderr] su: No module specific data is present
Dec 14 07:28:47.168 INFO running `"docker" "inspect" "0e9d9075fe98581fee9315a4c210b2c2b925906b60169a0c6b83244250c366fe"`
Dec 14 07:28:47.289 INFO running `"docker" "rm" "-f" "0e9d9075fe98581fee9315a4c210b2c2b925906b60169a0c6b83244250c366fe"`
Dec 14 07:28:47.423 INFO [stdout] 0e9d9075fe98581fee9315a4c210b2c2b925906b60169a0c6b83244250c366fe
Dec 14 07:28:47.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 07:28:47.655 INFO [stdout] df3c6ea6d92e0d82b50b655c75ccc6dc5e9f7603f5abf57fb6df9ebecba1649e
Dec 14 07:28:47.659 INFO running `"docker" "start" "-a" "df3c6ea6d92e0d82b50b655c75ccc6dc5e9f7603f5abf57fb6df9ebecba1649e"`
Dec 14 07:28:48.758 INFO [stderr] usermod: no changes
Dec 14 07:28:48.822 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 07:28:48.836 INFO [stderr]      Running /target/debug/deps/rust_blockchain-f4708fe616c44e0d
Dec 14 07:28:48.839 INFO [stdout] 
Dec 14 07:28:48.839 INFO [stdout] running 1 test
Dec 14 07:28:48.839 INFO [stdout] test proof::test_following_zeroes ... ok
Dec 14 07:28:48.839 INFO [stdout] 
Dec 14 07:28:48.839 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:28:48.839 INFO [stdout] 
Dec 14 07:28:48.841 INFO [stderr] su: No module specific data is present
Dec 14 07:28:49.508 INFO running `"docker" "inspect" "df3c6ea6d92e0d82b50b655c75ccc6dc5e9f7603f5abf57fb6df9ebecba1649e"`
Dec 14 07:28:49.771 INFO running `"docker" "rm" "-f" "df3c6ea6d92e0d82b50b655c75ccc6dc5e9f7603f5abf57fb6df9ebecba1649e"`
Dec 14 07:28:50.059 INFO [stdout] df3c6ea6d92e0d82b50b655c75ccc6dc5e9f7603f5abf57fb6df9ebecba1649e