[INFO] updating cached repository https://github.com/danielbusaba/histogram [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 52c97c163f589ebb770d1f627985fa8a59e3697b [INFO] checking danielbusaba/histogram against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielbusaba/histogram on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/danielbusaba/histogram [INFO] finished tweaking git repo https://github.com/danielbusaba/histogram [INFO] tweaked toml for git repo https://github.com/danielbusaba/histogram written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/danielbusaba/histogram already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9fc95740f3702ca4aa539f4f366c0f8e3fde66a2cc4988c2a0f1c998352e41e2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "9fc95740f3702ca4aa539f4f366c0f8e3fde66a2cc4988c2a0f1c998352e41e2"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking histogram v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/histogram.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; //Can be used with bucket to create sublog histograms [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `histogram::Histogram` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use histogram::Histogram; //Imports Histogram struct [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `histogram::Histogram` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use histogram::Histogram; //Imports Histogram struct [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Histogram` [INFO] [stderr] --> src/histogram.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Histogram //Stores a Histogram [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new_single` [INFO] [stderr] --> src/histogram.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new_single(sb: u64, mrt: u64) -> Histogram //Constructor that takes in the sublog bits and the maximum reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/histogram.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn add(&mut self, reuse_time: u64) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/histogram.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn insert(&mut self, reuse_time: u64, frequency: u64) //Inserts a value into the histogram at a given reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_frequency` [INFO] [stderr] --> src/histogram.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn get_frequency(&self, reuse_time: u64) -> u64 //Retreives the frequency value at a given reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_values` [INFO] [stderr] --> src/histogram.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn get_values(&self) -> Vec //Returns copy of internal vector [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_max_reuse_time` [INFO] [stderr] --> src/histogram.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new_tuple` [INFO] [stderr] --> src/histogram.rs:65:5 [INFO] [stderr] | [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 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/histogram.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn add(&mut self, reuse_time: u64) //Inserts a value into the histogram at a given reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_tuple` [INFO] [stderr] --> src/histogram.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn get_tuple(&self, reuse_time: u64) -> (u64, u64, u64, u64) //Retreives the value tuple at a given reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_frequency` [INFO] [stderr] --> src/histogram.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn get_frequency(&self, reuse_time: u64) -> u64 //Retreives the frequency value at a given reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_values` [INFO] [stderr] --> src/histogram.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | pub fn get_values(&self) -> Vec <(u64, u64, u64, u64)> //Returns copy of internal vector [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_max_reuse_time` [INFO] [stderr] --> src/histogram.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_values` [INFO] [stderr] --> src/histogram.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | pub fn get_values(&self) -> Vec <(u64, u64, u64, u64)> //Returns copy of internal vector [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_max_reuse_time` [INFO] [stderr] --> src/histogram.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `"docker" "inspect" "9fc95740f3702ca4aa539f4f366c0f8e3fde66a2cc4988c2a0f1c998352e41e2"` [INFO] running `"docker" "rm" "-f" "9fc95740f3702ca4aa539f4f366c0f8e3fde66a2cc4988c2a0f1c998352e41e2"` [INFO] [stdout] 9fc95740f3702ca4aa539f4f366c0f8e3fde66a2cc4988c2a0f1c998352e41e2