Nov 01 10:50:47.097 INFO checking Noah-Kennedy/rust_ack against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 10:50:47.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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"`
Nov 01 10:50:47.465 INFO blam! 9ad7e4aff82ae4f173bc3e31869fc996d6eb036979d65658bc895fac64da9a91
Nov 01 10:50:47.477 INFO running `"docker" "start" "-a" "9ad7e4aff82ae4f173bc3e31869fc996d6eb036979d65658bc895fac64da9a91"`
Nov 01 10:50:48.160 INFO kablam! usermod: no changes
Nov 01 10:50:48.213 INFO kablam!     Checking rust_ack v0.1.0 (/source)
Nov 01 10:50:49.012 INFO kablam! warning: unused import: `std::time::Instant`
Nov 01 10:50:49.012 INFO kablam!  --> src/main.rs:1:5
Nov 01 10:50:49.012 INFO kablam!   |
Nov 01 10:50:49.012 INFO kablam! 1 | use std::time::Instant;
Nov 01 10:50:49.012 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 01 10:50:49.012 INFO kablam!   |
Nov 01 10:50:49.012 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:50:49.012 INFO kablam! 
Nov 01 10:50:49.012 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 10:50:49.012 INFO kablam!  --> src/main.rs:2:5
Nov 01 10:50:49.012 INFO kablam!   |
Nov 01 10:50:49.012 INFO kablam! 2 | use std::collections::HashMap;
Nov 01 10:50:49.012 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:50:49.012 INFO kablam! 
Nov 01 10:50:49.101 INFO kablam! warning: unused variable: `i`
Nov 01 10:50:49.101 INFO kablam!  --> src/ackermann_implementations/hyper_ack.rs:9:17
Nov 01 10:50:49.102 INFO kablam!   |
Nov 01 10:50:49.102 INFO kablam! 9 |             for i in 1..b {
Nov 01 10:50:49.102 INFO kablam!   |                 ^ help: consider using `_i` instead
Nov 01 10:50:49.102 INFO kablam!   |
Nov 01 10:50:49.103 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 10:50:49.103 INFO kablam! 
Nov 01 10:50:49.103 INFO kablam! warning: unused variable: `sample_size`
Nov 01 10:50:49.103 INFO kablam!  --> src/main.rs:8:9
Nov 01 10:50:49.103 INFO kablam!   |
Nov 01 10:50:49.104 INFO kablam! 8 |     let sample_size = 1000;
Nov 01 10:50:49.104 INFO kablam!   |         ^^^^^^^^^^^ help: consider using `_sample_size` instead
Nov 01 10:50:49.104 INFO kablam! 
Nov 01 10:50:49.105 INFO kablam! warning: unused variable: `m`
Nov 01 10:50:49.105 INFO kablam!  --> src/main.rs:9:9
Nov 01 10:50:49.105 INFO kablam!   |
Nov 01 10:50:49.105 INFO kablam! 9 |     let m = 3;
Nov 01 10:50:49.105 INFO kablam!   |         ^ help: consider using `_m` instead
Nov 01 10:50:49.106 INFO kablam! 
Nov 01 10:50:49.106 INFO kablam! warning: unused variable: `n`
Nov 01 10:50:49.106 INFO kablam!   --> src/main.rs:10:9
Nov 01 10:50:49.106 INFO kablam!    |
Nov 01 10:50:49.107 INFO kablam! 10 |     let n = 8;
Nov 01 10:50:49.107 INFO kablam!    |         ^ help: consider using `_n` instead
Nov 01 10:50:49.107 INFO kablam! 
Nov 01 10:50:49.107 INFO kablam! warning: unused variable: `printing`
Nov 01 10:50:49.108 INFO kablam!   --> src/main.rs:11:9
Nov 01 10:50:49.108 INFO kablam!    |
Nov 01 10:50:49.108 INFO kablam! 11 |     let printing = false;
Nov 01 10:50:49.108 INFO kablam!    |         ^^^^^^^^ help: consider using `_printing` instead
Nov 01 10:50:49.109 INFO kablam! 
Nov 01 10:50:49.120 INFO kablam! warning: function is never used: `benchmark_ack`
Nov 01 10:50:49.120 INFO kablam!   --> src/benchmarking/mod.rs:3:1
Nov 01 10:50:49.121 INFO kablam!    |
Nov 01 10:50:49.121 INFO kablam! 3  | / pub fn benchmark_ack(fun: fn(u64, u64) -> u64, name: &str, sample_size: u64, m: u64, n: u64,
Nov 01 10:50:49.121 INFO kablam! 4  | |                  printing: bool) {
Nov 01 10:50:49.121 INFO kablam! 5  | |     let mut total: f64 = 0.0;
Nov 01 10:50:49.122 INFO kablam! 6  | |     for i in 0..sample_size {
Nov 01 10:50:49.122 INFO kablam! ...  |
Nov 01 10:50:49.122 INFO kablam! 29 | |     println!("{}({}, {}):\nSample Size:\t{}\nAverage Time:\t{}", name, m, n, sample_size, average);
Nov 01 10:50:49.122 INFO kablam! 30 | | }
Nov 01 10:50:49.123 INFO kablam!    | |_^
Nov 01 10:50:49.123 INFO kablam!    |
Nov 01 10:50:49.123 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 10:50:49.123 INFO kablam! 
Nov 01 10:50:49.123 INFO kablam! warning: function is never used: `basic_ack`
Nov 01 10:50:49.124 INFO kablam!  --> src/ackermann_implementations/basic_ack.rs:1:1
Nov 01 10:50:49.124 INFO kablam!   |
Nov 01 10:50:49.124 INFO kablam! 1 | pub fn basic_ack(m: u64, n: u64) -> u64 {
Nov 01 10:50:49.124 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:50:49.125 INFO kablam! 
Nov 01 10:50:49.145 INFO kablam! warning: unused import: `std::time::Instant`
Nov 01 10:50:49.145 INFO kablam!  --> src/main.rs:1:5
Nov 01 10:50:49.145 INFO kablam!   |
Nov 01 10:50:49.146 INFO kablam! 1 | use std::time::Instant;
Nov 01 10:50:49.146 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 01 10:50:49.146 INFO kablam!   |
Nov 01 10:50:49.146 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:50:49.147 INFO kablam! 
Nov 01 10:50:49.147 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 10:50:49.147 INFO kablam!  --> src/main.rs:2:5
Nov 01 10:50:49.147 INFO kablam!   |
Nov 01 10:50:49.148 INFO kablam! 2 | use std::collections::HashMap;
Nov 01 10:50:49.148 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:50:49.148 INFO kablam! 
Nov 01 10:50:49.296 INFO kablam! warning: unused variable: `i`
Nov 01 10:50:49.296 INFO kablam!  --> src/ackermann_implementations/hyper_ack.rs:9:17
Nov 01 10:50:49.296 INFO kablam!   |
Nov 01 10:50:49.296 INFO kablam! 9 |             for i in 1..b {
Nov 01 10:50:49.296 INFO kablam!   |                 ^ help: consider using `_i` instead
Nov 01 10:50:49.296 INFO kablam!   |
Nov 01 10:50:49.296 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 10:50:49.296 INFO kablam! 
Nov 01 10:50:49.296 INFO kablam! warning: unused variable: `sample_size`
Nov 01 10:50:49.296 INFO kablam!  --> src/main.rs:8:9
Nov 01 10:50:49.296 INFO kablam!   |
Nov 01 10:50:49.296 INFO kablam! 8 |     let sample_size = 1000;
Nov 01 10:50:49.296 INFO kablam!   |         ^^^^^^^^^^^ help: consider using `_sample_size` instead
Nov 01 10:50:49.296 INFO kablam! 
Nov 01 10:50:49.296 INFO kablam! warning: unused variable: `m`
Nov 01 10:50:49.296 INFO kablam!  --> src/main.rs:9:9
Nov 01 10:50:49.296 INFO kablam!   |
Nov 01 10:50:49.296 INFO kablam! 9 |     let m = 3;
Nov 01 10:50:49.296 INFO kablam!   |         ^ help: consider using `_m` instead
Nov 01 10:50:49.296 INFO kablam! 
Nov 01 10:50:49.296 INFO kablam! warning: unused variable: `n`
Nov 01 10:50:49.296 INFO kablam!   --> src/main.rs:10:9
Nov 01 10:50:49.296 INFO kablam!    |
Nov 01 10:50:49.296 INFO kablam! 10 |     let n = 8;
Nov 01 10:50:49.296 INFO kablam!    |         ^ help: consider using `_n` instead
Nov 01 10:50:49.296 INFO kablam! 
Nov 01 10:50:49.296 INFO kablam! warning: unused variable: `printing`
Nov 01 10:50:49.296 INFO kablam!   --> src/main.rs:11:9
Nov 01 10:50:49.296 INFO kablam!    |
Nov 01 10:50:49.296 INFO kablam! 11 |     let printing = false;
Nov 01 10:50:49.296 INFO kablam!    |         ^^^^^^^^ help: consider using `_printing` instead
Nov 01 10:50:49.296 INFO kablam! 
Nov 01 10:50:49.336 INFO kablam! warning: function is never used: `benchmark_ack`
Nov 01 10:50:49.336 INFO kablam!   --> src/benchmarking/mod.rs:3:1
Nov 01 10:50:49.336 INFO kablam!    |
Nov 01 10:50:49.336 INFO kablam! 3  | / pub fn benchmark_ack(fun: fn(u64, u64) -> u64, name: &str, sample_size: u64, m: u64, n: u64,
Nov 01 10:50:49.336 INFO kablam! 4  | |                  printing: bool) {
Nov 01 10:50:49.336 INFO kablam! 5  | |     let mut total: f64 = 0.0;
Nov 01 10:50:49.336 INFO kablam! 6  | |     for i in 0..sample_size {
Nov 01 10:50:49.336 INFO kablam! ...  |
Nov 01 10:50:49.336 INFO kablam! 29 | |     println!("{}({}, {}):\nSample Size:\t{}\nAverage Time:\t{}", name, m, n, sample_size, average);
Nov 01 10:50:49.336 INFO kablam! 30 | | }
Nov 01 10:50:49.336 INFO kablam!    | |_^
Nov 01 10:50:49.336 INFO kablam!    |
Nov 01 10:50:49.336 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 10:50:49.336 INFO kablam! 
Nov 01 10:50:49.336 INFO kablam! warning: function is never used: `basic_ack`
Nov 01 10:50:49.336 INFO kablam!  --> src/ackermann_implementations/basic_ack.rs:1:1
Nov 01 10:50:49.336 INFO kablam!   |
Nov 01 10:50:49.337 INFO kablam! 1 | pub fn basic_ack(m: u64, n: u64) -> u64 {
Nov 01 10:50:49.337 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:50:49.337 INFO kablam! 
Nov 01 10:50:49.399 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 01 10:50:49.399 INFO kablam! su: No module specific data is present
Nov 01 10:50:50.357 INFO running `"docker" "rm" "-f" "9ad7e4aff82ae4f173bc3e31869fc996d6eb036979d65658bc895fac64da9a91"`
Nov 01 10:50:50.588 INFO blam! 9ad7e4aff82ae4f173bc3e31869fc996d6eb036979d65658bc895fac64da9a91