Dec 11 20:10:50.283 INFO checking danielbusaba/histogram against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:10:50.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 20:10:50.825 INFO [stdout] 4e691d544042d0d22182a67b4883cb0bc0e6b8f33f01e287674ebaa134a19855
Dec 11 20:10:50.826 INFO running `"docker" "start" "-a" "4e691d544042d0d22182a67b4883cb0bc0e6b8f33f01e287674ebaa134a19855"`
Dec 11 20:10:51.931 INFO [stderr] usermod: no changes
Dec 11 20:10:51.971 INFO [stderr]     Checking histogram v0.1.0 (/source)
Dec 11 20:10:52.312 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 20:10:52.312 INFO [stderr]  --> src/histogram.rs:1:5
Dec 11 20:10:52.312 INFO [stderr]   |
Dec 11 20:10:52.312 INFO [stderr] 1 | use std::collections::HashMap;  //Can be used with bucket to create sublog histograms
Dec 11 20:10:52.312 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.312 INFO [stderr]   |
Dec 11 20:10:52.312 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:10:52.312 INFO [stderr] 
Dec 11 20:10:52.312 INFO [stderr] warning: unused import: `histogram::Histogram`
Dec 11 20:10:52.312 INFO [stderr]  --> src/main.rs:2:5
Dec 11 20:10:52.312 INFO [stderr]   |
Dec 11 20:10:52.312 INFO [stderr] 2 | use histogram::Histogram;   //Imports Histogram struct
Dec 11 20:10:52.312 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.312 INFO [stderr] 
Dec 11 20:10:52.423 INFO [stderr] warning: struct is never constructed: `Histogram`
Dec 11 20:10:52.423 INFO [stderr]  --> src/histogram.rs:4:1
Dec 11 20:10:52.423 INFO [stderr]   |
Dec 11 20:10:52.423 INFO [stderr] 4 | pub struct Histogram <T>    //Stores a Histogram
Dec 11 20:10:52.424 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr]   |
Dec 11 20:10:52.424 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `new_single`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:13:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 13 |     pub fn new_single(sb: u64, mrt: u64) -> Histogram <u64>  //Constructor that takes in the sublog bits and the maximum reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `add`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:18:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 18 |     pub fn add(&mut self, reuse_time: u64)
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `insert`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:31:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 31 |     pub fn insert(&mut self, reuse_time: u64, frequency: u64)   //Inserts a value into the histogram at a given reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_frequency`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:43:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 43 |     pub fn get_frequency(&self, reuse_time: u64) -> u64   //Retreives the frequency value at a given reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_values`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:52:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 52 |     pub fn get_values(&self) -> Vec <u64>  //Returns copy of internal vector
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_max_reuse_time`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:57:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 57 |     pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `new_tuple`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:65:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 65 |     pub fn new_tuple(sb: u64, mrt: u64) -> Histogram <(u64, u64, u64, u64)>  //Constructor that takes in the sublog bits and the maximum reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `add`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:80:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 80 |     pub fn add(&mut self, reuse_time: u64)   //Inserts a value into the histogram at a given reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_tuple`
Dec 11 20:10:52.424 INFO [stderr]   --> src/histogram.rs:96:5
Dec 11 20:10:52.424 INFO [stderr]    |
Dec 11 20:10:52.424 INFO [stderr] 96 |     pub fn get_tuple(&self, reuse_time: u64) -> (u64, u64, u64, u64)   //Retreives the value tuple at a given reuse time
Dec 11 20:10:52.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_frequency`
Dec 11 20:10:52.424 INFO [stderr]    --> src/histogram.rs:105:5
Dec 11 20:10:52.424 INFO [stderr]     |
Dec 11 20:10:52.424 INFO [stderr] 105 |     pub fn get_frequency(&self, reuse_time: u64) -> u64   //Retreives the frequency value at a given reuse time
Dec 11 20:10:52.424 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_values`
Dec 11 20:10:52.424 INFO [stderr]    --> src/histogram.rs:114:5
Dec 11 20:10:52.424 INFO [stderr]     |
Dec 11 20:10:52.424 INFO [stderr] 114 |     pub fn get_values(&self) -> Vec <(u64, u64, u64, u64)>  //Returns copy of internal vector
Dec 11 20:10:52.424 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.424 INFO [stderr] warning: method is never used: `get_max_reuse_time`
Dec 11 20:10:52.424 INFO [stderr]    --> src/histogram.rs:119:5
Dec 11 20:10:52.424 INFO [stderr]     |
Dec 11 20:10:52.424 INFO [stderr] 119 |     pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time
Dec 11 20:10:52.424 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.424 INFO [stderr] 
Dec 11 20:10:52.472 INFO [stderr] warning: unused import: `histogram::Histogram`
Dec 11 20:10:52.472 INFO [stderr]  --> src/main.rs:2:5
Dec 11 20:10:52.472 INFO [stderr]   |
Dec 11 20:10:52.472 INFO [stderr] 2 | use histogram::Histogram;   //Imports Histogram struct
Dec 11 20:10:52.472 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.472 INFO [stderr]   |
Dec 11 20:10:52.472 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:10:52.472 INFO [stderr] 
Dec 11 20:10:52.626 INFO [stderr] warning: method is never used: `get_values`
Dec 11 20:10:52.626 INFO [stderr]    --> src/histogram.rs:114:5
Dec 11 20:10:52.626 INFO [stderr]     |
Dec 11 20:10:52.626 INFO [stderr] 114 |     pub fn get_values(&self) -> Vec <(u64, u64, u64, u64)>  //Returns copy of internal vector
Dec 11 20:10:52.626 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.626 INFO [stderr]     |
Dec 11 20:10:52.626 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 20:10:52.626 INFO [stderr] 
Dec 11 20:10:52.626 INFO [stderr] warning: method is never used: `get_max_reuse_time`
Dec 11 20:10:52.626 INFO [stderr]    --> src/histogram.rs:119:5
Dec 11 20:10:52.626 INFO [stderr]     |
Dec 11 20:10:52.626 INFO [stderr] 119 |     pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time
Dec 11 20:10:52.626 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:10:52.626 INFO [stderr] 
Dec 11 20:10:52.654 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 11 20:10:52.662 INFO [stderr] su: No module specific data is present
Dec 11 20:10:53.438 INFO running `"docker" "inspect" "4e691d544042d0d22182a67b4883cb0bc0e6b8f33f01e287674ebaa134a19855"`
Dec 11 20:10:53.800 INFO running `"docker" "rm" "-f" "4e691d544042d0d22182a67b4883cb0bc0e6b8f33f01e287674ebaa134a19855"`
Dec 11 20:10:54.104 INFO [stdout] 4e691d544042d0d22182a67b4883cb0bc0e6b8f33f01e287674ebaa134a19855