Oct 27 10:14:34.339 INFO checking PhdTrollSlayer/CrabChain against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 10:14:34.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 10:14:34.539 INFO blam! 3ae3b5ffe0109300607cdff52959a1e2db2ee6692a6593764f59fa88e8d9bffe
Oct 27 10:14:34.540 INFO running `"docker" "start" "-a" "3ae3b5ffe0109300607cdff52959a1e2db2ee6692a6593764f59fa88e8d9bffe"`
Oct 27 10:14:35.231 INFO kablam! usermod: no changes
Oct 27 10:14:35.335 INFO kablam!    Compiling openssl-sys v0.9.28
Oct 27 10:14:35.335 INFO kablam!     Checking csv v1.0.0
Oct 27 10:14:38.348 INFO kablam!    Compiling openssl v0.10.6
Oct 27 10:14:42.520 INFO kablam!     Checking blockchain1 v0.1.0 (/source)
Oct 27 10:14:43.380 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 10:14:43.381 INFO kablam!  --> src/lib.rs:5:1
Oct 27 10:14:43.381 INFO kablam!   |
Oct 27 10:14:43.381 INFO kablam! 5 | #[macro_use]
Oct 27 10:14:43.381 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 10:14:43.381 INFO kablam!   |
Oct 27 10:14:43.381 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:14:43.384 INFO kablam! 
Oct 27 10:14:43.384 INFO kablam! warning: unused import: `seek`
Oct 27 10:14:43.384 INFO kablam!  --> src/mining.rs:1:5
Oct 27 10:14:43.384 INFO kablam!   |
Oct 27 10:14:43.385 INFO kablam! 1 | use seek;
Oct 27 10:14:43.385 INFO kablam!   |     ^^^^
Oct 27 10:14:43.385 INFO kablam! 
Oct 27 10:14:43.435 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 10:14:43.435 INFO kablam!  --> src/lib.rs:5:1
Oct 27 10:14:43.435 INFO kablam!   |
Oct 27 10:14:43.435 INFO kablam! 5 | #[macro_use]
Oct 27 10:14:43.435 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 10:14:43.435 INFO kablam!   |
Oct 27 10:14:43.435 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:14:43.435 INFO kablam! 
Oct 27 10:14:43.435 INFO kablam! warning: unused import: `seek`
Oct 27 10:14:43.435 INFO kablam!  --> src/mining.rs:1:5
Oct 27 10:14:43.435 INFO kablam!   |
Oct 27 10:14:43.435 INFO kablam! 1 | use seek;
Oct 27 10:14:43.435 INFO kablam!   |     ^^^^
Oct 27 10:14:43.435 INFO kablam! 
Oct 27 10:14:43.447 INFO kablam! warning: function is never used: `find_last_block_hash`
Oct 27 10:14:43.447 INFO kablam!  --> src/seek.rs:4:1
Oct 27 10:14:43.447 INFO kablam!   |
Oct 27 10:14:43.447 INFO kablam! 4 | pub fn find_last_block_hash() -> String {
Oct 27 10:14:43.447 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:14:43.447 INFO kablam!   |
Oct 27 10:14:43.447 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 10:14:43.447 INFO kablam! 
Oct 27 10:14:43.447 INFO kablam! warning: function is never used: `find_last_block_id`
Oct 27 10:14:43.447 INFO kablam!   --> src/seek.rs:28:1
Oct 27 10:14:43.447 INFO kablam!    |
Oct 27 10:14:43.447 INFO kablam! 28 | pub fn find_last_block_id() -> String {
Oct 27 10:14:43.447 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:14:43.447 INFO kablam! 
Oct 27 10:14:43.447 INFO kablam! warning: function is never used: `last_block`
Oct 27 10:14:43.447 INFO kablam!  --> src/mining.rs:5:1
Oct 27 10:14:43.447 INFO kablam!   |
Oct 27 10:14:43.448 INFO kablam! 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Oct 27 10:14:43.448 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:14:43.448 INFO kablam! 
Oct 27 10:14:43.495 INFO kablam! warning: function is never used: `find_last_block_hash`
Oct 27 10:14:43.495 INFO kablam!  --> src/seek.rs:4:1
Oct 27 10:14:43.495 INFO kablam!   |
Oct 27 10:14:43.495 INFO kablam! 4 | pub fn find_last_block_hash() -> String {
Oct 27 10:14:43.495 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:14:43.495 INFO kablam!   |
Oct 27 10:14:43.495 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 10:14:43.495 INFO kablam! 
Oct 27 10:14:43.495 INFO kablam! warning: function is never used: `find_last_block_id`
Oct 27 10:14:43.495 INFO kablam!   --> src/seek.rs:28:1
Oct 27 10:14:43.495 INFO kablam!    |
Oct 27 10:14:43.495 INFO kablam! 28 | pub fn find_last_block_id() -> String {
Oct 27 10:14:43.495 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:14:43.495 INFO kablam! 
Oct 27 10:14:43.496 INFO kablam! warning: function is never used: `last_block`
Oct 27 10:14:43.496 INFO kablam!  --> src/mining.rs:5:1
Oct 27 10:14:43.496 INFO kablam!   |
Oct 27 10:14:43.496 INFO kablam! 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Oct 27 10:14:43.496 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:14:43.496 INFO kablam! 
Oct 27 10:14:44.166 INFO kablam! warning: unused import: `openssl::sha`
Oct 27 10:14:44.166 INFO kablam!  --> src/new_block.rs:2:5
Oct 27 10:14:44.167 INFO kablam!   |
Oct 27 10:14:44.167 INFO kablam! 2 | use openssl::sha;
Oct 27 10:14:44.167 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 10:14:44.167 INFO kablam!   |
Oct 27 10:14:44.167 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:14:44.167 INFO kablam! 
Oct 27 10:14:44.167 INFO kablam! warning: unused import: `hex`
Oct 27 10:14:44.167 INFO kablam!  --> src/new_block.rs:3:5
Oct 27 10:14:44.167 INFO kablam!   |
Oct 27 10:14:44.167 INFO kablam! 3 | use hex;
Oct 27 10:14:44.167 INFO kablam!   |     ^^^
Oct 27 10:14:44.167 INFO kablam! 
Oct 27 10:14:44.167 INFO kablam! warning: unused import: `std::error::Error`
Oct 27 10:14:44.167 INFO kablam!  --> src/validator.rs:1:5
Oct 27 10:14:44.167 INFO kablam!   |
Oct 27 10:14:44.167 INFO kablam! 1 | use std::error::Error;
Oct 27 10:14:44.167 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 10:14:44.167 INFO kablam! 
Oct 27 10:14:44.167 INFO kablam! warning: unused import: `std::ptr::null`
Oct 27 10:14:44.167 INFO kablam!  --> src/validator.rs:4:5
Oct 27 10:14:44.167 INFO kablam!   |
Oct 27 10:14:44.167 INFO kablam! 4 | use std::ptr::null;
Oct 27 10:14:44.167 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 27 10:14:44.167 INFO kablam! 
Oct 27 10:14:44.167 INFO kablam! warning: unused import: `seek`
Oct 27 10:14:44.167 INFO kablam!  --> src/mining.rs:1:5
Oct 27 10:14:44.167 INFO kablam!   |
Oct 27 10:14:44.167 INFO kablam! 1 | use seek;
Oct 27 10:14:44.167 INFO kablam!   |     ^^^^
Oct 27 10:14:44.167 INFO kablam! 
Oct 27 10:14:44.200 INFO kablam! warning: unused import: `openssl::sha`
Oct 27 10:14:44.200 INFO kablam!  --> src/new_block.rs:2:5
Oct 27 10:14:44.200 INFO kablam!   |
Oct 27 10:14:44.200 INFO kablam! 2 | use openssl::sha;
Oct 27 10:14:44.200 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 10:14:44.200 INFO kablam!   |
Oct 27 10:14:44.200 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 10:14:44.200 INFO kablam! 
Oct 27 10:14:44.200 INFO kablam! warning: unused import: `hex`
Oct 27 10:14:44.200 INFO kablam!  --> src/new_block.rs:3:5
Oct 27 10:14:44.200 INFO kablam!   |
Oct 27 10:14:44.200 INFO kablam! 3 | use hex;
Oct 27 10:14:44.200 INFO kablam!   |     ^^^
Oct 27 10:14:44.200 INFO kablam! 
Oct 27 10:14:44.200 INFO kablam! warning: unused import: `std::error::Error`
Oct 27 10:14:44.200 INFO kablam!  --> src/validator.rs:1:5
Oct 27 10:14:44.200 INFO kablam!   |
Oct 27 10:14:44.200 INFO kablam! 1 | use std::error::Error;
Oct 27 10:14:44.200 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 10:14:44.200 INFO kablam! 
Oct 27 10:14:44.201 INFO kablam! warning: unused import: `std::ptr::null`
Oct 27 10:14:44.201 INFO kablam!  --> src/validator.rs:4:5
Oct 27 10:14:44.201 INFO kablam!   |
Oct 27 10:14:44.201 INFO kablam! 4 | use std::ptr::null;
Oct 27 10:14:44.201 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 27 10:14:44.201 INFO kablam! 
Oct 27 10:14:44.201 INFO kablam! warning: unused import: `seek`
Oct 27 10:14:44.201 INFO kablam!  --> src/mining.rs:1:5
Oct 27 10:14:44.201 INFO kablam!   |
Oct 27 10:14:44.201 INFO kablam! 1 | use seek;
Oct 27 10:14:44.201 INFO kablam!   |     ^^^^
Oct 27 10:14:44.201 INFO kablam! 
Oct 27 10:14:44.247 INFO kablam! warning: unused variable: `nonce`
Oct 27 10:14:44.247 INFO kablam!   --> src/new_block.rs:18:17
Oct 27 10:14:44.247 INFO kablam!    |
Oct 27 10:14:44.247 INFO kablam! 18 |         let mut nonce: i64 = 0;
Oct 27 10:14:44.247 INFO kablam!    |                 ^^^^^ help: consider using `_nonce` instead
Oct 27 10:14:44.247 INFO kablam!    |
Oct 27 10:14:44.247 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 10:14:44.247 INFO kablam! 
Oct 27 10:14:44.248 INFO kablam! warning: value assigned to `this_record` is never read
Oct 27 10:14:44.248 INFO kablam!  --> src/validator.rs:9:13
Oct 27 10:14:44.248 INFO kablam!   |
Oct 27 10:14:44.248 INFO kablam! 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Oct 27 10:14:44.248 INFO kablam!   |             ^^^^^^^^^^^
Oct 27 10:14:44.248 INFO kablam!   |
Oct 27 10:14:44.248 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 27 10:14:44.248 INFO kablam! 
Oct 27 10:14:44.254 INFO kablam! warning: variable does not need to be mutable
Oct 27 10:14:44.254 INFO kablam!   --> src/new_block.rs:18:13
Oct 27 10:14:44.254 INFO kablam!    |
Oct 27 10:14:44.254 INFO kablam! 18 |         let mut nonce: i64 = 0;
Oct 27 10:14:44.254 INFO kablam!    |             ----^^^^^
Oct 27 10:14:44.254 INFO kablam!    |             |
Oct 27 10:14:44.254 INFO kablam!    |             help: remove this `mut`
Oct 27 10:14:44.254 INFO kablam!    |
Oct 27 10:14:44.254 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 10:14:44.254 INFO kablam! 
Oct 27 10:14:44.293 INFO kablam! warning: unused variable: `nonce`
Oct 27 10:14:44.293 INFO kablam!   --> src/new_block.rs:18:17
Oct 27 10:14:44.293 INFO kablam!    |
Oct 27 10:14:44.293 INFO kablam! 18 |         let mut nonce: i64 = 0;
Oct 27 10:14:44.293 INFO kablam!    |                 ^^^^^ help: consider using `_nonce` instead
Oct 27 10:14:44.293 INFO kablam!    |
Oct 27 10:14:44.293 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 10:14:44.293 INFO kablam! 
Oct 27 10:14:44.293 INFO kablam! warning: value assigned to `this_record` is never read
Oct 27 10:14:44.293 INFO kablam!  --> src/validator.rs:9:13
Oct 27 10:14:44.293 INFO kablam!   |
Oct 27 10:14:44.293 INFO kablam! 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Oct 27 10:14:44.293 INFO kablam!   |             ^^^^^^^^^^^
Oct 27 10:14:44.293 INFO kablam!   |
Oct 27 10:14:44.293 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 27 10:14:44.293 INFO kablam! 
Oct 27 10:14:44.299 INFO kablam! warning: variable does not need to be mutable
Oct 27 10:14:44.299 INFO kablam!   --> src/new_block.rs:18:13
Oct 27 10:14:44.299 INFO kablam!    |
Oct 27 10:14:44.299 INFO kablam! 18 |         let mut nonce: i64 = 0;
Oct 27 10:14:44.299 INFO kablam!    |             ----^^^^^
Oct 27 10:14:44.299 INFO kablam!    |             |
Oct 27 10:14:44.299 INFO kablam!    |             help: remove this `mut`
Oct 27 10:14:44.299 INFO kablam!    |
Oct 27 10:14:44.299 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 10:14:44.299 INFO kablam! 
Oct 27 10:14:44.337 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.11s
Oct 27 10:14:44.345 INFO kablam! su: No module specific data is present
Oct 27 10:14:44.710 INFO running `"docker" "rm" "-f" "3ae3b5ffe0109300607cdff52959a1e2db2ee6692a6593764f59fa88e8d9bffe"`
Oct 27 10:14:44.865 INFO blam! 3ae3b5ffe0109300607cdff52959a1e2db2ee6692a6593764f59fa88e8d9bffe