Oct 12 15:28:22.472 INFO checking psiofxt/rust-blockchain against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:28:22.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 15:28:23.085 INFO blam! 1d711942f9c69d8c730d44d8d845c14daed5b1b40d0352204f8891801f6166c8
Oct 12 15:28:23.086 INFO running `"docker" "start" "-a" "1d711942f9c69d8c730d44d8d845c14daed5b1b40d0352204f8891801f6166c8"`
Oct 12 15:28:24.425 INFO kablam! usermod: no changes
Oct 12 15:28:24.768 INFO kablam!    Compiling proc-macro-hack-impl v0.4.0
Oct 12 15:28:24.776 INFO kablam!    Compiling fnv v1.0.6
Oct 12 15:28:24.778 INFO kablam!     Checking tower-service v0.1.0
Oct 12 15:28:24.778 INFO kablam!    Compiling iovec v0.1.2
Oct 12 15:28:24.779 INFO kablam!     Checking atoi v0.2.3
Oct 12 15:28:24.779 INFO kablam!     Checking serde_plain v0.3.0
Oct 12 15:28:24.780 INFO kablam!    Compiling syn v0.14.9
Oct 12 15:28:24.781 INFO kablam!     Checking chrono v0.4.6
Oct 12 15:28:26.225 INFO kablam!     Checking serde_urlencoded v0.5.3
Oct 12 15:28:26.832 INFO kablam!     Checking tokio-reactor v0.1.5
Oct 12 15:28:27.384 INFO kablam!    Compiling bytes v0.4.9
Oct 12 15:28:30.640 INFO kablam!     Checking tokio-tcp v0.1.1
Oct 12 15:28:30.640 INFO kablam!     Checking tokio-uds v0.2.1
Oct 12 15:28:30.640 INFO kablam!     Checking tokio-udp v0.1.2
Oct 12 15:28:33.432 INFO kablam!    Compiling http v0.1.10
Oct 12 15:28:34.044 INFO kablam!    Compiling proc-macro-hack v0.4.0
Oct 12 15:28:34.996 INFO kablam!     Checking tokio v0.1.8
Oct 12 15:28:37.452 INFO kablam!     Checking hyper v0.12.9
Oct 12 15:29:06.376 INFO kablam!    Compiling serde_derive v1.0.76
Oct 12 15:29:06.376 INFO kablam!    Compiling tower-web-macros v0.2.0
Oct 12 15:29:43.376 INFO kablam!     Checking tower-web v0.2.1
Oct 12 15:29:53.418 INFO kablam!     Checking rust-blockchain v0.1.0 (/source)
Oct 12 15:29:57.321 INFO kablam! warning: struct is never constructed: `Block`
Oct 12 15:29:57.321 INFO kablam!  --> src/blockchain.rs:3:1
Oct 12 15:29:57.321 INFO kablam!   |
Oct 12 15:29:57.321 INFO kablam! 3 | struct Block {
Oct 12 15:29:57.321 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 15:29:57.321 INFO kablam!   |
Oct 12 15:29:57.321 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 15:29:57.321 INFO kablam! 
Oct 12 15:29:57.323 INFO kablam! warning: struct is never constructed: `Transaction`
Oct 12 15:29:57.323 INFO kablam!   --> src/blockchain.rs:11:1
Oct 12 15:29:57.323 INFO kablam!    |
Oct 12 15:29:57.323 INFO kablam! 11 | struct Transaction {
Oct 12 15:29:57.323 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.323 INFO kablam! 
Oct 12 15:29:57.323 INFO kablam! warning: struct is never constructed: `Node`
Oct 12 15:29:57.323 INFO kablam!   --> src/blockchain.rs:17:1
Oct 12 15:29:57.323 INFO kablam!    |
Oct 12 15:29:57.323 INFO kablam! 17 | struct Node {
Oct 12 15:29:57.323 INFO kablam!    | ^^^^^^^^^^^
Oct 12 15:29:57.323 INFO kablam! 
Oct 12 15:29:57.323 INFO kablam! warning: struct is never constructed: `Blockchain`
Oct 12 15:29:57.323 INFO kablam!   --> src/blockchain.rs:21:1
Oct 12 15:29:57.323 INFO kablam!    |
Oct 12 15:29:57.323 INFO kablam! 21 | pub struct Blockchain {
Oct 12 15:29:57.323 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.323 INFO kablam! 
Oct 12 15:29:57.323 INFO kablam! warning: method is never used: `new_block`
Oct 12 15:29:57.323 INFO kablam!   --> src/blockchain.rs:30:5
Oct 12 15:29:57.323 INFO kablam!    |
Oct 12 15:29:57.323 INFO kablam! 30 |     pub fn new_block(&mut self, proof: String, previous_hash: String){
Oct 12 15:29:57.323 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.323 INFO kablam! 
Oct 12 15:29:57.323 INFO kablam! warning: method is never used: `new_transaction`
Oct 12 15:29:57.323 INFO kablam!   --> src/blockchain.rs:43:5
Oct 12 15:29:57.323 INFO kablam!    |
Oct 12 15:29:57.323 INFO kablam! 43 |     fn new_transaction(&mut self, sender: String, recipient: String, amount: f32) {
Oct 12 15:29:57.324 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.324 INFO kablam! 
Oct 12 15:29:57.324 INFO kablam! warning: method is never used: `first_name`
Oct 12 15:29:57.324 INFO kablam!   --> src/blockchain.rs:52:5
Oct 12 15:29:57.324 INFO kablam!    |
Oct 12 15:29:57.324 INFO kablam! 52 |     fn first_name(&self) -> usize {
Oct 12 15:29:57.324 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.324 INFO kablam! 
Oct 12 15:29:57.448 INFO kablam! warning: struct is never constructed: `Block`
Oct 12 15:29:57.448 INFO kablam!  --> src/blockchain.rs:3:1
Oct 12 15:29:57.449 INFO kablam!   |
Oct 12 15:29:57.449 INFO kablam! 3 | struct Block {
Oct 12 15:29:57.449 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam!   |
Oct 12 15:29:57.449 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.449 INFO kablam! warning: struct is never constructed: `Transaction`
Oct 12 15:29:57.449 INFO kablam!   --> src/blockchain.rs:11:1
Oct 12 15:29:57.449 INFO kablam!    |
Oct 12 15:29:57.449 INFO kablam! 11 | struct Transaction {
Oct 12 15:29:57.449 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.449 INFO kablam! warning: struct is never constructed: `Node`
Oct 12 15:29:57.449 INFO kablam!   --> src/blockchain.rs:17:1
Oct 12 15:29:57.449 INFO kablam!    |
Oct 12 15:29:57.449 INFO kablam! 17 | struct Node {
Oct 12 15:29:57.449 INFO kablam!    | ^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.449 INFO kablam! warning: struct is never constructed: `Blockchain`
Oct 12 15:29:57.449 INFO kablam!   --> src/blockchain.rs:21:1
Oct 12 15:29:57.449 INFO kablam!    |
Oct 12 15:29:57.449 INFO kablam! 21 | pub struct Blockchain {
Oct 12 15:29:57.449 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.449 INFO kablam! warning: method is never used: `new_block`
Oct 12 15:29:57.449 INFO kablam!   --> src/blockchain.rs:30:5
Oct 12 15:29:57.449 INFO kablam!    |
Oct 12 15:29:57.449 INFO kablam! 30 |     pub fn new_block(&mut self, proof: String, previous_hash: String){
Oct 12 15:29:57.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.449 INFO kablam! warning: method is never used: `new_transaction`
Oct 12 15:29:57.449 INFO kablam!   --> src/blockchain.rs:43:5
Oct 12 15:29:57.449 INFO kablam!    |
Oct 12 15:29:57.449 INFO kablam! 43 |     fn new_transaction(&mut self, sender: String, recipient: String, amount: f32) {
Oct 12 15:29:57.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.449 INFO kablam! warning: method is never used: `first_name`
Oct 12 15:29:57.449 INFO kablam!   --> src/blockchain.rs:52:5
Oct 12 15:29:57.449 INFO kablam!    |
Oct 12 15:29:57.449 INFO kablam! 52 |     fn first_name(&self) -> usize {
Oct 12 15:29:57.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.449 INFO kablam! 
Oct 12 15:29:57.498 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
Oct 12 15:29:57.509 INFO kablam! su: No module specific data is present
Oct 12 15:29:58.750 INFO running `"docker" "rm" "-f" "1d711942f9c69d8c730d44d8d845c14daed5b1b40d0352204f8891801f6166c8"`
Oct 12 15:29:59.064 INFO blam! 1d711942f9c69d8c730d44d8d845c14daed5b1b40d0352204f8891801f6166c8