Nov 30 09:11:11.392 INFO checking PhdTrollSlayer/CrabChain against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 09:11:11.392 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 09:11:11.834 INFO [stdout] d7fc91c7b0a9f6a00001fd6358fb09e03999ee15a3c01eca6e565c7ab910bd44
Nov 30 09:11:11.836 INFO running `"docker" "start" "-a" "d7fc91c7b0a9f6a00001fd6358fb09e03999ee15a3c01eca6e565c7ab910bd44"`
Nov 30 09:11:13.561 INFO [stderr] usermod: no changes
Nov 30 09:11:13.745 INFO [stderr]    Compiling openssl v0.10.6
Nov 30 09:11:13.745 INFO [stderr]     Checking csv v1.0.0
Nov 30 09:11:18.005 INFO [stderr]     Checking blockchain1 v0.1.0 (/source)
Nov 30 09:11:19.147 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 09:11:19.147 INFO [stderr]  --> src/lib.rs:5:1
Nov 30 09:11:19.147 INFO [stderr]   |
Nov 30 09:11:19.147 INFO [stderr] 5 | #[macro_use]
Nov 30 09:11:19.147 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 09:11:19.148 INFO [stderr]   |
Nov 30 09:11:19.148 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 09:11:19.148 INFO [stderr] 
Nov 30 09:11:19.148 INFO [stderr] warning: unused import: `seek`
Nov 30 09:11:19.148 INFO [stderr]  --> src/mining.rs:1:5
Nov 30 09:11:19.148 INFO [stderr]   |
Nov 30 09:11:19.149 INFO [stderr] 1 | use seek;
Nov 30 09:11:19.149 INFO [stderr]   |     ^^^^
Nov 30 09:11:19.149 INFO [stderr] 
Nov 30 09:11:19.279 INFO [stderr] warning: function is never used: `find_last_block_hash`
Nov 30 09:11:19.280 INFO [stderr]  --> src/seek.rs:4:1
Nov 30 09:11:19.280 INFO [stderr]   |
Nov 30 09:11:19.280 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Nov 30 09:11:19.280 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:11:19.296 INFO [stderr]   |
Nov 30 09:11:19.297 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 09:11:19.297 INFO [stderr] 
Nov 30 09:11:19.297 INFO [stderr] warning: function is never used: `find_last_block_id`
Nov 30 09:11:19.297 INFO [stderr]   --> src/seek.rs:28:1
Nov 30 09:11:19.298 INFO [stderr]    |
Nov 30 09:11:19.298 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Nov 30 09:11:19.298 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:11:19.298 INFO [stderr] 
Nov 30 09:11:19.298 INFO [stderr] warning: function is never used: `last_block`
Nov 30 09:11:19.298 INFO [stderr]  --> src/mining.rs:5:1
Nov 30 09:11:19.298 INFO [stderr]   |
Nov 30 09:11:19.298 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Nov 30 09:11:19.298 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:11:19.298 INFO [stderr] 
Nov 30 09:11:19.454 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 09:11:19.455 INFO [stderr]  --> src/lib.rs:5:1
Nov 30 09:11:19.455 INFO [stderr]   |
Nov 30 09:11:19.455 INFO [stderr] 5 | #[macro_use]
Nov 30 09:11:19.455 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 09:11:19.468 INFO [stderr]   |
Nov 30 09:11:19.469 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 09:11:19.469 INFO [stderr] 
Nov 30 09:11:19.469 INFO [stderr] warning: unused import: `seek`
Nov 30 09:11:19.469 INFO [stderr]  --> src/mining.rs:1:5
Nov 30 09:11:19.469 INFO [stderr]   |
Nov 30 09:11:19.470 INFO [stderr] 1 | use seek;
Nov 30 09:11:19.470 INFO [stderr]   |     ^^^^
Nov 30 09:11:19.470 INFO [stderr] 
Nov 30 09:11:19.593 INFO [stderr] warning: function is never used: `find_last_block_hash`
Nov 30 09:11:19.593 INFO [stderr]  --> src/seek.rs:4:1
Nov 30 09:11:19.594 INFO [stderr]   |
Nov 30 09:11:19.594 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Nov 30 09:11:19.594 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:11:19.616 INFO [stderr]   |
Nov 30 09:11:19.616 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 09:11:19.616 INFO [stderr] 
Nov 30 09:11:19.617 INFO [stderr] warning: function is never used: `find_last_block_id`
Nov 30 09:11:19.617 INFO [stderr]   --> src/seek.rs:28:1
Nov 30 09:11:19.617 INFO [stderr]    |
Nov 30 09:11:19.617 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Nov 30 09:11:19.617 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:11:19.617 INFO [stderr] 
Nov 30 09:11:19.617 INFO [stderr] warning: function is never used: `last_block`
Nov 30 09:11:19.617 INFO [stderr]  --> src/mining.rs:5:1
Nov 30 09:11:19.617 INFO [stderr]   |
Nov 30 09:11:19.617 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Nov 30 09:11:19.617 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:11:19.617 INFO [stderr] 
Nov 30 09:11:20.668 INFO [stderr] warning: unused import: `openssl::sha`
Nov 30 09:11:20.668 INFO [stderr]  --> src/new_block.rs:2:5
Nov 30 09:11:20.668 INFO [stderr]   |
Nov 30 09:11:20.668 INFO [stderr] 2 | use openssl::sha;
Nov 30 09:11:20.668 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 09:11:20.680 INFO [stderr]   |
Nov 30 09:11:20.680 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 09:11:20.680 INFO [stderr] 
Nov 30 09:11:20.680 INFO [stderr] warning: unused import: `hex`
Nov 30 09:11:20.680 INFO [stderr]  --> src/new_block.rs:3:5
Nov 30 09:11:20.680 INFO [stderr]   |
Nov 30 09:11:20.680 INFO [stderr] 3 | use hex;
Nov 30 09:11:20.680 INFO [stderr]   |     ^^^
Nov 30 09:11:20.680 INFO [stderr] 
Nov 30 09:11:20.680 INFO [stderr] warning: unused import: `std::error::Error`
Nov 30 09:11:20.680 INFO [stderr]  --> src/validator.rs:1:5
Nov 30 09:11:20.680 INFO [stderr]   |
Nov 30 09:11:20.680 INFO [stderr] 1 | use std::error::Error;
Nov 30 09:11:20.680 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 30 09:11:20.680 INFO [stderr] 
Nov 30 09:11:20.680 INFO [stderr] warning: unused import: `std::ptr::null`
Nov 30 09:11:20.680 INFO [stderr]  --> src/validator.rs:4:5
Nov 30 09:11:20.680 INFO [stderr]   |
Nov 30 09:11:20.680 INFO [stderr] 4 | use std::ptr::null;
Nov 30 09:11:20.680 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 09:11:20.680 INFO [stderr] 
Nov 30 09:11:20.680 INFO [stderr] warning: unused import: `seek`
Nov 30 09:11:20.680 INFO [stderr]  --> src/mining.rs:1:5
Nov 30 09:11:20.680 INFO [stderr]   |
Nov 30 09:11:20.680 INFO [stderr] 1 | use seek;
Nov 30 09:11:20.681 INFO [stderr]   |     ^^^^
Nov 30 09:11:20.681 INFO [stderr] 
Nov 30 09:11:20.924 INFO [stderr] warning: unused variable: `nonce`
Nov 30 09:11:20.924 INFO [stderr]   --> src/new_block.rs:18:17
Nov 30 09:11:20.924 INFO [stderr]    |
Nov 30 09:11:20.924 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 30 09:11:20.924 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Nov 30 09:11:20.936 INFO [stderr] warning: unused import: `openssl::sha`
Nov 30 09:11:20.936 INFO [stderr]  --> src/new_block.rs:2:5
Nov 30 09:11:20.936 INFO [stderr]   |
Nov 30 09:11:20.936 INFO [stderr] 2 | use openssl::sha;
Nov 30 09:11:20.936 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 09:11:20.936 INFO [stderr]    |
Nov 30 09:11:20.936 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 09:11:20.936 INFO [stderr] 
Nov 30 09:11:20.936 INFO [stderr] warning: value assigned to `this_record` is never read
Nov 30 09:11:20.936 INFO [stderr]  --> src/validator.rs:9:13
Nov 30 09:11:20.936 INFO [stderr]   |
Nov 30 09:11:20.936 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Nov 30 09:11:20.936 INFO [stderr]   |             ^^^^^^^^^^^
Nov 30 09:11:20.936 INFO [stderr]   |
Nov 30 09:11:20.936 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Nov 30 09:11:20.936 INFO [stderr] 
Nov 30 09:11:20.944 INFO [stderr]   |
Nov 30 09:11:20.944 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 09:11:20.944 INFO [stderr] 
Nov 30 09:11:20.944 INFO [stderr] warning: unused import: `hex`
Nov 30 09:11:20.944 INFO [stderr]  --> src/new_block.rs:3:5
Nov 30 09:11:20.944 INFO [stderr]   |
Nov 30 09:11:20.944 INFO [stderr] 3 | use hex;
Nov 30 09:11:20.944 INFO [stderr]   |     ^^^
Nov 30 09:11:20.944 INFO [stderr] 
Nov 30 09:11:20.944 INFO [stderr] warning: unused import: `std::error::Error`
Nov 30 09:11:20.944 INFO [stderr]  --> src/validator.rs:1:5
Nov 30 09:11:20.944 INFO [stderr]   |
Nov 30 09:11:20.944 INFO [stderr] 1 | use std::error::Error;
Nov 30 09:11:20.944 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 30 09:11:20.944 INFO [stderr] 
Nov 30 09:11:20.944 INFO [stderr] warning: unused import: `std::ptr::null`
Nov 30 09:11:20.944 INFO [stderr]  --> src/validator.rs:4:5
Nov 30 09:11:20.944 INFO [stderr]   |
Nov 30 09:11:20.944 INFO [stderr] 4 | use std::ptr::null;
Nov 30 09:11:20.944 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 09:11:20.944 INFO [stderr] 
Nov 30 09:11:20.944 INFO [stderr] warning: unused import: `seek`
Nov 30 09:11:20.944 INFO [stderr]  --> src/mining.rs:1:5
Nov 30 09:11:20.944 INFO [stderr]   |
Nov 30 09:11:20.944 INFO [stderr] 1 | use seek;
Nov 30 09:11:20.944 INFO [stderr]   |     ^^^^
Nov 30 09:11:20.944 INFO [stderr] 
Nov 30 09:11:20.976 INFO [stderr] warning: variable does not need to be mutable
Nov 30 09:11:20.976 INFO [stderr]   --> src/new_block.rs:18:13
Nov 30 09:11:20.976 INFO [stderr]    |
Nov 30 09:11:20.976 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 30 09:11:20.976 INFO [stderr]    |             ----^^^^^
Nov 30 09:11:20.976 INFO [stderr]    |             |
Nov 30 09:11:20.976 INFO [stderr]    |             help: remove this `mut`
Nov 30 09:11:20.976 INFO [stderr]    |
Nov 30 09:11:20.976 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 09:11:20.976 INFO [stderr] 
Nov 30 09:11:21.176 INFO [stderr] warning: unused variable: `nonce`
Nov 30 09:11:21.176 INFO [stderr]   --> src/new_block.rs:18:17
Nov 30 09:11:21.176 INFO [stderr]    |
Nov 30 09:11:21.176 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 30 09:11:21.176 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Nov 30 09:11:21.176 INFO [stderr]    |
Nov 30 09:11:21.176 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 09:11:21.176 INFO [stderr] 
Nov 30 09:11:21.176 INFO [stderr] warning: value assigned to `this_record` is never read
Nov 30 09:11:21.176 INFO [stderr]  --> src/validator.rs:9:13
Nov 30 09:11:21.176 INFO [stderr]   |
Nov 30 09:11:21.176 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Nov 30 09:11:21.176 INFO [stderr]   |             ^^^^^^^^^^^
Nov 30 09:11:21.176 INFO [stderr]   |
Nov 30 09:11:21.176 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Nov 30 09:11:21.176 INFO [stderr] 
Nov 30 09:11:21.196 INFO [stderr] warning: variable does not need to be mutable
Nov 30 09:11:21.196 INFO [stderr]   --> src/new_block.rs:18:13
Nov 30 09:11:21.196 INFO [stderr]    |
Nov 30 09:11:21.196 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Nov 30 09:11:21.196 INFO [stderr]    |             ----^^^^^
Nov 30 09:11:21.196 INFO [stderr]    |             |
Nov 30 09:11:21.196 INFO [stderr]    |             help: remove this `mut`
Nov 30 09:11:21.196 INFO [stderr]    |
Nov 30 09:11:21.196 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 09:11:21.196 INFO [stderr] 
Nov 30 09:11:21.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
Nov 30 09:11:21.260 INFO [stderr] su: No module specific data is present
Nov 30 09:11:22.066 INFO running `"docker" "inspect" "d7fc91c7b0a9f6a00001fd6358fb09e03999ee15a3c01eca6e565c7ab910bd44"`
Nov 30 09:11:22.380 INFO running `"docker" "rm" "-f" "d7fc91c7b0a9f6a00001fd6358fb09e03999ee15a3c01eca6e565c7ab910bd44"`
Nov 30 09:11:22.728 INFO [stdout] d7fc91c7b0a9f6a00001fd6358fb09e03999ee15a3c01eca6e565c7ab910bd44