Oct 31 22:58:01.757 INFO checking psiofxt/rust-blockchain against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 22:58:01.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 22:58:02.234 INFO blam! 56f8a9cd49757ff64955fa6754b42973a7cb38cd40631e85cce5af495dad5ff8
Oct 31 22:58:02.236 INFO running `"docker" "start" "-a" "56f8a9cd49757ff64955fa6754b42973a7cb38cd40631e85cce5af495dad5ff8"`
Oct 31 22:58:04.967 INFO kablam! usermod: no changes
Oct 31 22:58:05.257 INFO kablam!    Compiling itoa v0.4.2
Oct 31 22:58:05.257 INFO kablam!    Compiling proc-macro-hack-impl v0.4.0
Oct 31 22:58:05.273 INFO kablam!     Checking tower-service v0.1.0
Oct 31 22:58:05.275 INFO kablam!    Compiling iovec v0.1.2
Oct 31 22:58:05.276 INFO kablam!     Checking want v0.0.6
Oct 31 22:58:05.282 INFO kablam!     Checking atoi v0.2.3
Oct 31 22:58:05.283 INFO kablam!     Checking serde_plain v0.3.0
Oct 31 22:58:05.288 INFO kablam!     Checking serde_json v1.0.26
Oct 31 22:58:07.118 INFO kablam!    Compiling syn v0.14.9
Oct 31 22:58:07.289 INFO kablam!     Checking serde_urlencoded v0.5.3
Oct 31 22:58:07.482 INFO kablam!     Checking chrono v0.4.6
Oct 31 22:58:07.880 INFO kablam!     Checking hyper v0.12.9
Oct 31 22:58:07.993 INFO kablam!    Compiling bytes v0.4.9
Oct 31 22:58:14.810 INFO kablam!    Compiling proc-macro-hack v0.4.0
Oct 31 22:58:16.057 INFO kablam!    Compiling http v0.1.10
Oct 31 22:58:46.412 INFO kablam!    Compiling tower-web-macros v0.2.0
Oct 31 22:58:46.412 INFO kablam!    Compiling serde_derive v1.0.76
Oct 31 22:59:27.095 INFO kablam!     Checking tower-web v0.2.1
Oct 31 22:59:36.888 INFO kablam!     Checking rust-blockchain v0.1.0 (/source)
Oct 31 22:59:40.455 INFO kablam! warning: struct is never constructed: `Block`
Oct 31 22:59:40.455 INFO kablam!  --> src/blockchain.rs:3:1
Oct 31 22:59:40.455 INFO kablam!   |
Oct 31 22:59:40.455 INFO kablam! 3 | struct Block {
Oct 31 22:59:40.455 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 22:59:40.455 INFO kablam!   |
Oct 31 22:59:40.455 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 22:59:40.455 INFO kablam! 
Oct 31 22:59:40.455 INFO kablam! warning: struct is never constructed: `Transaction`
Oct 31 22:59:40.455 INFO kablam!   --> src/blockchain.rs:11:1
Oct 31 22:59:40.455 INFO kablam!    |
Oct 31 22:59:40.455 INFO kablam! 11 | struct Transaction {
Oct 31 22:59:40.455 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.455 INFO kablam! 
Oct 31 22:59:40.455 INFO kablam! warning: struct is never constructed: `Node`
Oct 31 22:59:40.455 INFO kablam!   --> src/blockchain.rs:17:1
Oct 31 22:59:40.455 INFO kablam!    |
Oct 31 22:59:40.455 INFO kablam! 17 | struct Node {
Oct 31 22:59:40.455 INFO kablam!    | ^^^^^^^^^^^
Oct 31 22:59:40.458 INFO kablam! 
Oct 31 22:59:40.458 INFO kablam! warning: struct is never constructed: `Blockchain`
Oct 31 22:59:40.458 INFO kablam!   --> src/blockchain.rs:21:1
Oct 31 22:59:40.458 INFO kablam!    |
Oct 31 22:59:40.458 INFO kablam! 21 | pub struct Blockchain {
Oct 31 22:59:40.458 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.458 INFO kablam! 
Oct 31 22:59:40.458 INFO kablam! warning: method is never used: `new_block`
Oct 31 22:59:40.458 INFO kablam!   --> src/blockchain.rs:30:5
Oct 31 22:59:40.458 INFO kablam!    |
Oct 31 22:59:40.458 INFO kablam! 30 |     pub fn new_block(&mut self, proof: String, previous_hash: String){
Oct 31 22:59:40.458 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.458 INFO kablam! 
Oct 31 22:59:40.458 INFO kablam! warning: method is never used: `new_transaction`
Oct 31 22:59:40.458 INFO kablam!   --> src/blockchain.rs:43:5
Oct 31 22:59:40.458 INFO kablam!    |
Oct 31 22:59:40.458 INFO kablam! 43 |     fn new_transaction(&mut self, sender: String, recipient: String, amount: f32) {
Oct 31 22:59:40.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.459 INFO kablam! 
Oct 31 22:59:40.459 INFO kablam! warning: method is never used: `first_name`
Oct 31 22:59:40.459 INFO kablam!   --> src/blockchain.rs:52:5
Oct 31 22:59:40.459 INFO kablam!    |
Oct 31 22:59:40.459 INFO kablam! 52 |     fn first_name(&self) -> usize {
Oct 31 22:59:40.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.459 INFO kablam! 
Oct 31 22:59:40.780 INFO kablam! warning: struct is never constructed: `Block`
Oct 31 22:59:40.780 INFO kablam!  --> src/blockchain.rs:3:1
Oct 31 22:59:40.780 INFO kablam!   |
Oct 31 22:59:40.780 INFO kablam! 3 | struct Block {
Oct 31 22:59:40.780 INFO kablam!   | ^^^^^^^^^^^^
Oct 31 22:59:40.780 INFO kablam!   |
Oct 31 22:59:40.780 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 22:59:40.780 INFO kablam! 
Oct 31 22:59:40.780 INFO kablam! warning: struct is never constructed: `Transaction`
Oct 31 22:59:40.780 INFO kablam!   --> src/blockchain.rs:11:1
Oct 31 22:59:40.780 INFO kablam!    |
Oct 31 22:59:40.780 INFO kablam! 11 | struct Transaction {
Oct 31 22:59:40.781 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.781 INFO kablam! 
Oct 31 22:59:40.781 INFO kablam! warning: struct is never constructed: `Node`
Oct 31 22:59:40.781 INFO kablam!   --> src/blockchain.rs:17:1
Oct 31 22:59:40.781 INFO kablam!    |
Oct 31 22:59:40.781 INFO kablam! 17 | struct Node {
Oct 31 22:59:40.781 INFO kablam!    | ^^^^^^^^^^^
Oct 31 22:59:40.781 INFO kablam! 
Oct 31 22:59:40.781 INFO kablam! warning: struct is never constructed: `Blockchain`
Oct 31 22:59:40.781 INFO kablam!   --> src/blockchain.rs:21:1
Oct 31 22:59:40.781 INFO kablam!    |
Oct 31 22:59:40.781 INFO kablam! 21 | pub struct Blockchain {
Oct 31 22:59:40.781 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.781 INFO kablam! 
Oct 31 22:59:40.781 INFO kablam! warning: method is never used: `new_block`
Oct 31 22:59:40.781 INFO kablam!   --> src/blockchain.rs:30:5
Oct 31 22:59:40.781 INFO kablam!    |
Oct 31 22:59:40.781 INFO kablam! 30 |     pub fn new_block(&mut self, proof: String, previous_hash: String){
Oct 31 22:59:40.781 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.781 INFO kablam! 
Oct 31 22:59:40.781 INFO kablam! warning: method is never used: `new_transaction`
Oct 31 22:59:40.781 INFO kablam!   --> src/blockchain.rs:43:5
Oct 31 22:59:40.781 INFO kablam!    |
Oct 31 22:59:40.781 INFO kablam! 43 |     fn new_transaction(&mut self, sender: String, recipient: String, amount: f32) {
Oct 31 22:59:40.781 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.781 INFO kablam! 
Oct 31 22:59:40.781 INFO kablam! warning: method is never used: `first_name`
Oct 31 22:59:40.781 INFO kablam!   --> src/blockchain.rs:52:5
Oct 31 22:59:40.781 INFO kablam!    |
Oct 31 22:59:40.781 INFO kablam! 52 |     fn first_name(&self) -> usize {
Oct 31 22:59:40.781 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:59:40.781 INFO kablam! 
Oct 31 22:59:40.856 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
Oct 31 22:59:40.873 INFO kablam! su: No module specific data is present
Oct 31 22:59:41.827 INFO running `"docker" "rm" "-f" "56f8a9cd49757ff64955fa6754b42973a7cb38cd40631e85cce5af495dad5ff8"`
Oct 31 22:59:42.048 INFO blam! 56f8a9cd49757ff64955fa6754b42973a7cb38cd40631e85cce5af495dad5ff8