[INFO] cloning repository https://github.com/danielbusaba/histogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielbusaba/histogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52c97c163f589ebb770d1f627985fa8a59e3697b
[INFO] testing danielbusaba/histogram against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/danielbusaba/histogram on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/danielbusaba/histogram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ca2859b09eeaf42e6d16a1b8fbbca4fd2ff203985c70e891a1bbfdbb6990c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1ca2859b09eeaf42e6d16a1b8fbbca4fd2ff203985c70e891a1bbfdbb6990c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ca2859b09eeaf42e6d16a1b8fbbca4fd2ff203985c70e891a1bbfdbb6990c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ca2859b09eeaf42e6d16a1b8fbbca4fd2ff203985c70e891a1bbfdbb6990c5", kill_on_drop: false }`
[INFO] [stdout] f1ca2859b09eeaf42e6d16a1b8fbbca4fd2ff203985c70e891a1bbfdbb6990c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2d7090ee6e1338da61bce4c3cef4f19d891954ae2863a640ac0c6cc20f29f8c
[INFO] running `Command { std: "docker" "start" "-a" "e2d7090ee6e1338da61bce4c3cef4f19d891954ae2863a640ac0c6cc20f29f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/histogram.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;  //Can be used with bucket to create sublog histograms
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `histogram::Histogram`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use histogram::Histogram;   //Imports Histogram struct
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Histogram`
[INFO] [stdout]  --> src/histogram.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Histogram <T>    //Stores a Histogram
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_single`
[INFO] [stdout]   --> src/histogram.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new_single(sb: u64, mrt: u64) -> Histogram <u64>  //Constructor that takes in the sublog bits and the maximum reuse time
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/histogram.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn add(&mut self, reuse_time: u64)
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/histogram.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn insert(&mut self, reuse_time: u64, frequency: u64)   //Inserts a value into the histogram at a given reuse time
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frequency`
[INFO] [stdout]   --> src/histogram.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn get_frequency(&self, reuse_time: u64) -> u64   //Retreives the frequency value at a given reuse time
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_values`
[INFO] [stdout]   --> src/histogram.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_values(&self) -> Vec <u64>  //Returns copy of internal vector
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_max_reuse_time`
[INFO] [stdout]   --> src/histogram.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_tuple`
[INFO] [stdout]   --> src/histogram.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn new_tuple(sb: u64, mrt: u64) -> Histogram <(u64, u64, u64, u64)>  //Constructor that takes in the sublog bits and the maximum ...
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/histogram.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn add(&mut self, reuse_time: u64)   //Inserts a value into the histogram at a given reuse time
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_tuple`
[INFO] [stdout]   --> src/histogram.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn get_tuple(&self, reuse_time: u64) -> (u64, u64, u64, u64)   //Retreives the value tuple at a given reuse time
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_frequency`
[INFO] [stdout]    --> src/histogram.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn get_frequency(&self, reuse_time: u64) -> u64   //Retreives the frequency value at a given reuse time
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_values`
[INFO] [stdout]    --> src/histogram.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn get_values(&self) -> Vec <(u64, u64, u64, u64)>  //Returns copy of internal vector
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_max_reuse_time`
[INFO] [stdout]    --> src/histogram.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "e2d7090ee6e1338da61bce4c3cef4f19d891954ae2863a640ac0c6cc20f29f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d7090ee6e1338da61bce4c3cef4f19d891954ae2863a640ac0c6cc20f29f8c", kill_on_drop: false }`
[INFO] [stdout] e2d7090ee6e1338da61bce4c3cef4f19d891954ae2863a640ac0c6cc20f29f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e237eb366ed1776a3aad2e940f3e292c39546543b26db6c387497332369edde
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e237eb366ed1776a3aad2e940f3e292c39546543b26db6c387497332369edde", kill_on_drop: false }`
[INFO] [stderr]    Compiling histogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `histogram::Histogram`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use histogram::Histogram;   //Imports Histogram struct
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_values`
[INFO] [stdout]    --> src/histogram.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn get_values(&self) -> Vec <(u64, u64, u64, u64)>  //Returns copy of internal vector
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_max_reuse_time`
[INFO] [stdout]    --> src/histogram.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn get_max_reuse_time(&self) -> u64 //Returns copy of max reuse time
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "9e237eb366ed1776a3aad2e940f3e292c39546543b26db6c387497332369edde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e237eb366ed1776a3aad2e940f3e292c39546543b26db6c387497332369edde", kill_on_drop: false }`
[INFO] [stdout] 9e237eb366ed1776a3aad2e940f3e292c39546543b26db6c387497332369edde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f18f228f71e308feff84a97427f1bcb591d53ba41ed73b17a0ff5566f9f478d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f18f228f71e308feff84a97427f1bcb591d53ba41ed73b17a0ff5566f9f478d7", kill_on_drop: false }`
[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: associated function is never used: `get_values`
[INFO] [stderr]    --> src/histogram.rs:114:12
[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: associated function is never used: `get_max_reuse_time`
[INFO] [stderr]    --> src/histogram.rs:119:12
[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: `histogram` (bin "histogram" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/histogram-b24440bf04abd2d3)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test histogram::test_clone ... ok
[INFO] [stdout] test histogram::test_histogram_insertion ... ok
[INFO] [stdout] test histogram::test_histogram_max_reuse_time ... ok
[INFO] [stdout] test histogram::test_histogram_values ... ok
[INFO] [stdout] test histogram::test_value_to_index ... ok
[INFO] [stdout] test histogram::test_hash ... ok
[INFO] [stdout] test histogram::test_histogram_tuple_add ... ok
[INFO] [stdout] test histogram::test_histogram_addition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f18f228f71e308feff84a97427f1bcb591d53ba41ed73b17a0ff5566f9f478d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18f228f71e308feff84a97427f1bcb591d53ba41ed73b17a0ff5566f9f478d7", kill_on_drop: false }`
[INFO] [stdout] f18f228f71e308feff84a97427f1bcb591d53ba41ed73b17a0ff5566f9f478d7