Nov 28 11:40:12.940 INFO checking PhdTrollSlayer/CrabChain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:40:12.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:40:13.498 INFO [stdout] bd48dd8abeea5d9cf6c6b7eb96488a782cd98487e575c91bcd1bc98340af918e
Nov 28 11:40:13.502 INFO running `"docker" "start" "-a" "bd48dd8abeea5d9cf6c6b7eb96488a782cd98487e575c91bcd1bc98340af918e"`
Nov 28 11:40:14.816 INFO [stderr] usermod: no changes
Nov 28 11:40:14.946 INFO [stderr]    Compiling openssl v0.10.6
Nov 28 11:40:14.946 INFO [stderr]     Checking csv v1.0.0
Nov 28 11:40:19.452 INFO [stderr]     Checking blockchain1 v0.1.0 (/source)
Nov 28 11:40:20.807 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 11:40:20.807 INFO [stderr]  --> src/lib.rs:5:1
Nov 28 11:40:20.807 INFO [stderr]   |
Nov 28 11:40:20.807 INFO [stderr] 5 | #[macro_use]
Nov 28 11:40:20.807 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 11:40:20.807 INFO [stderr]   |
Nov 28 11:40:20.807 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:40:20.807 INFO [stderr] 
Nov 28 11:40:20.807 INFO [stderr] warning: unused import: `seek`
Nov 28 11:40:20.807 INFO [stderr]  --> src/mining.rs:1:5
Nov 28 11:40:20.807 INFO [stderr]   |
Nov 28 11:40:20.807 INFO [stderr] 1 | use seek;
Nov 28 11:40:20.807 INFO [stderr]   |     ^^^^
Nov 28 11:40:20.807 INFO [stderr] 
Nov 28 11:40:20.920 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 11:40:20.921 INFO [stderr]  --> src/lib.rs:5:1
Nov 28 11:40:20.921 INFO [stderr]   |
Nov 28 11:40:20.921 INFO [stderr] 5 | #[macro_use]
Nov 28 11:40:20.922 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 11:40:20.922 INFO [stderr]   |
Nov 28 11:40:20.923 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:40:20.923 INFO [stderr] 
Nov 28 11:40:20.924 INFO [stderr] warning: unused import: `seek`
Nov 28 11:40:20.925 INFO [stderr]  --> src/mining.rs:1:5
Nov 28 11:40:20.925 INFO [stderr]   |
Nov 28 11:40:20.925 INFO [stderr] 1 | use seek;
Nov 28 11:40:20.926 INFO [stderr]   |     ^^^^
Nov 28 11:40:20.928 INFO [stderr] 
Nov 28 11:40:20.989 INFO [stderr] warning: function is never used: `find_last_block_hash`
Nov 28 11:40:20.990 INFO [stderr]  --> src/seek.rs:4:1
Nov 28 11:40:20.991 INFO [stderr]   |
Nov 28 11:40:20.991 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Nov 28 11:40:20.991 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:40:20.991 INFO [stderr]   |
Nov 28 11:40:20.992 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 11:40:20.992 INFO [stderr] 
Nov 28 11:40:20.992 INFO [stderr] warning: function is never used: `find_last_block_id`
Nov 28 11:40:20.993 INFO [stderr]   --> src/seek.rs:28:1
Nov 28 11:40:20.993 INFO [stderr]    |
Nov 28 11:40:20.993 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Nov 28 11:40:20.993 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:40:20.994 INFO [stderr] 
Nov 28 11:40:20.994 INFO [stderr] warning: function is never used: `last_block`
Nov 28 11:40:20.994 INFO [stderr]  --> src/mining.rs:5:1
Nov 28 11:40:20.995 INFO [stderr]   |
Nov 28 11:40:20.995 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Nov 28 11:40:20.995 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:40:20.995 INFO [stderr] 
Nov 28 11:40:21.006 INFO [stderr] warning: function is never used: `find_last_block_hash`
Nov 28 11:40:21.006 INFO [stderr]  --> src/seek.rs:4:1
Nov 28 11:40:21.007 INFO [stderr]   |
Nov 28 11:40:21.007 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Nov 28 11:40:21.008 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:40:21.008 INFO [stderr]   |
Nov 28 11:40:21.009 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 11:40:21.009 INFO [stderr] 
Nov 28 11:40:21.010 INFO [stderr] warning: function is never used: `find_last_block_id`
Nov 28 11:40:21.010 INFO [stderr]   --> src/seek.rs:28:1
Nov 28 11:40:21.010 INFO [stderr]    |
Nov 28 11:40:21.011 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Nov 28 11:40:21.011 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:40:21.011 INFO [stderr] 
Nov 28 11:40:21.012 INFO [stderr] warning: function is never used: `last_block`
Nov 28 11:40:21.012 INFO [stderr]  --> src/mining.rs:5:1
Nov 28 11:40:21.012 INFO [stderr]   |
Nov 28 11:40:21.012 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Nov 28 11:40:21.012 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:40:21.012 INFO [stderr] 
Nov 28 11:40:22.245 INFO [stderr] warning: unused import: `openssl::sha`
Nov 28 11:40:22.245 INFO [stderr]  --> src/new_block.rs:2:5
Nov 28 11:40:22.245 INFO [stderr]   |
Nov 28 11:40:22.246 INFO [stderr] 2 | use openssl::sha;
Nov 28 11:40:22.246 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 11:40:22.246 INFO [stderr]   |
Nov 28 11:40:22.246 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:40:22.247 INFO [stderr] 
Nov 28 11:40:22.247 INFO [stderr] warning: unused import: `hex`
Nov 28 11:40:22.247 INFO [stderr]  --> src/new_block.rs:3:5
Nov 28 11:40:22.248 INFO [stderr]   |
Nov 28 11:40:22.248 INFO [stderr] 3 | use hex;
Nov 28 11:40:22.248 INFO [stderr]   |     ^^^
Nov 28 11:40:22.248 INFO [stderr] 
Nov 28 11:40:22.249 INFO [stderr] warning: unused import: `std::error::Error`
Nov 28 11:40:22.249 INFO [stderr]  --> src/validator.rs:1:5
Nov 28 11:40:22.249 INFO [stderr]   |
Nov 28 11:40:22.249 INFO [stderr] 1 | use std::error::Error;
Nov 28 11:40:22.250 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 11:40:22.250 INFO [stderr] 
Nov 28 11:40:22.252 INFO [stderr] warning: unused import: `std::ptr::null`
Nov 28 11:40:22.252 INFO [stderr]  --> src/validator.rs:4:5
Nov 28 11:40:22.252 INFO [stderr]   |
Nov 28 11:40:22.252 INFO [stderr] 4 | use std::ptr::null;
Nov 28 11:40:22.252 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:40:22.252 INFO [stderr] 
Nov 28 11:40:22.252 INFO [stderr] warning: unused import: `seek`
Nov 28 11:40:22.252 INFO [stderr]  --> src/mining.rs:1:5
Nov 28 11:40:22.252 INFO [stderr]   |
Nov 28 11:40:22.252 INFO [stderr] 1 | use seek;
Nov 28 11:40:22.252 INFO [stderr]   |     ^^^^
Nov 28 11:40:22.252 INFO [stderr] 
Nov 28 11:40:22.268 INFO [stderr] warning: unused import: `openssl::sha`
Nov 28 11:40:22.268 INFO [stderr]  --> src/new_block.rs:2:5
Nov 28 11:40:22.268 INFO [stderr]   |
Nov 28 11:40:22.268 INFO [stderr] 2 | use openssl::sha;
Nov 28 11:40:22.268 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 11:40:22.268 INFO [stderr]   |
Nov 28 11:40:22.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:40:22.268 INFO [stderr] 
Nov 28 11:40:22.268 INFO [stderr] warning: unused import: `hex`
Nov 28 11:40:22.268 INFO [stderr]  --> src/new_block.rs:3:5
Nov 28 11:40:22.268 INFO [stderr]   |
Nov 28 11:40:22.268 INFO [stderr] 3 | use hex;
Nov 28 11:40:22.268 INFO [stderr]   |     ^^^
Nov 28 11:40:22.268 INFO [stderr] 
Nov 28 11:40:22.268 INFO [stderr] warning: unused import: `std::error::Error`
Nov 28 11:40:22.268 INFO [stderr]  --> src/validator.rs:1:5
Nov 28 11:40:22.269 INFO [stderr]   |
Nov 28 11:40:22.269 INFO [stderr] 1 | use std::error::Error;
Nov 28 11:40:22.269 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 11:40:22.269 INFO [stderr] 
Nov 28 11:40:22.269 INFO [stderr] warning: unused import: `std::ptr::null`
Nov 28 11:40:22.269 INFO [stderr]  --> src/validator.rs:4:5
Nov 28 11:40:22.269 INFO [stderr]   |
Nov 28 11:40:22.269 INFO [stderr] 4 | use std::ptr::null;
Nov 28 11:40:22.269 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:40:22.269 INFO [stderr] 
Nov 28 11:40:22.276 INFO [stderr] warning: unused import: `seek`
Nov 28 11:40:22.276 INFO [stderr]  --> src/mining.rs:1:5
Nov 28 11:40:22.276 INFO [stderr]   |
Nov 28 11:40:22.276 INFO [stderr] 1 | use seek;
Nov 28 11:40:22.276 INFO [stderr]   |     ^^^^
Nov 28 11:40:22.276 INFO [stderr] 
Nov 28 11:40:22.368 INFO [stderr] warning: unused variable: `nonce`
Nov 28 11:40:22.368 INFO [stderr]   --> src/new_block.rs:18:17
Nov 28 11:40:22.368 INFO [stderr]    |
Nov 28 11:40:22.368 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 28 11:40:22.368 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Nov 28 11:40:22.368 INFO [stderr]    |
Nov 28 11:40:22.368 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:40:22.368 INFO [stderr] 
Nov 28 11:40:22.368 INFO [stderr] warning: value assigned to `this_record` is never read
Nov 28 11:40:22.368 INFO [stderr]  --> src/validator.rs:9:13
Nov 28 11:40:22.368 INFO [stderr]   |
Nov 28 11:40:22.369 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Nov 28 11:40:22.369 INFO [stderr]   |             ^^^^^^^^^^^
Nov 28 11:40:22.369 INFO [stderr]   |
Nov 28 11:40:22.369 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Nov 28 11:40:22.369 INFO [stderr] 
Nov 28 11:40:22.380 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:40:22.380 INFO [stderr]   --> src/new_block.rs:18:13
Nov 28 11:40:22.380 INFO [stderr]    |
Nov 28 11:40:22.380 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 28 11:40:22.380 INFO [stderr]    |             ----^^^^^
Nov 28 11:40:22.380 INFO [stderr]    |             |
Nov 28 11:40:22.380 INFO [stderr]    |             help: remove this `mut`
Nov 28 11:40:22.380 INFO [stderr]    |
Nov 28 11:40:22.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:40:22.380 INFO [stderr] 
Nov 28 11:40:22.488 INFO [stderr] warning: unused variable: `nonce`
Nov 28 11:40:22.488 INFO [stderr]   --> src/new_block.rs:18:17
Nov 28 11:40:22.488 INFO [stderr]    |
Nov 28 11:40:22.488 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 28 11:40:22.488 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Nov 28 11:40:22.488 INFO [stderr]    |
Nov 28 11:40:22.488 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:40:22.488 INFO [stderr] 
Nov 28 11:40:22.488 INFO [stderr] warning: value assigned to `this_record` is never read
Nov 28 11:40:22.488 INFO [stderr]  --> src/validator.rs:9:13
Nov 28 11:40:22.488 INFO [stderr]   |
Nov 28 11:40:22.488 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Nov 28 11:40:22.488 INFO [stderr]   |             ^^^^^^^^^^^
Nov 28 11:40:22.488 INFO [stderr]   |
Nov 28 11:40:22.488 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Nov 28 11:40:22.504 INFO [stderr] 
Nov 28 11:40:22.532 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:40:22.532 INFO [stderr]   --> src/new_block.rs:18:13
Nov 28 11:40:22.532 INFO [stderr]    |
Nov 28 11:40:22.532 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 28 11:40:22.532 INFO [stderr]    |             ----^^^^^
Nov 28 11:40:22.532 INFO [stderr]    |             |
Nov 28 11:40:22.532 INFO [stderr]    |             help: remove this `mut`
Nov 28 11:40:22.532 INFO [stderr]    |
Nov 28 11:40:22.532 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:40:22.532 INFO [stderr] 
Nov 28 11:40:22.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.75s
Nov 28 11:40:22.617 INFO [stderr] su: No module specific data is present
Nov 28 11:40:23.739 INFO running `"docker" "inspect" "bd48dd8abeea5d9cf6c6b7eb96488a782cd98487e575c91bcd1bc98340af918e"`
Nov 28 11:40:24.098 INFO running `"docker" "rm" "-f" "bd48dd8abeea5d9cf6c6b7eb96488a782cd98487e575c91bcd1bc98340af918e"`
Nov 28 11:40:24.389 INFO [stdout] bd48dd8abeea5d9cf6c6b7eb96488a782cd98487e575c91bcd1bc98340af918e