[INFO] cloning repository https://github.com/danielbusaba/histogram [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 52c97c163f589ebb770d1f627985fa8a59e3697b [INFO] testing danielbusaba/histogram against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbusaba%2Fhistogram" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielbusaba/histogram on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-7/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dfe6bede7b4ca7b31e776304c0588dcb7169422870738d9ed03a19930208e457 [INFO] running `"docker" "start" "-a" "dfe6bede7b4ca7b31e776304c0588dcb7169422870738d9ed03a19930208e457"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "dfe6bede7b4ca7b31e776304c0588dcb7169422870738d9ed03a19930208e457"` [INFO] running `"docker" "rm" "-f" "dfe6bede7b4ca7b31e776304c0588dcb7169422870738d9ed03a19930208e457"` [INFO] [stdout] dfe6bede7b4ca7b31e776304c0588dcb7169422870738d9ed03a19930208e457 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b5fae16ef1ec1b8d813686be189b510fdceed0fdc0f53302ca42b929c3259d09 [INFO] running `"docker" "start" "-a" "b5fae16ef1ec1b8d813686be189b510fdceed0fdc0f53302ca42b929c3259d09"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling histogram v0.1.0 (/opt/rustwide/workdir) [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: 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 test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `"docker" "inspect" "b5fae16ef1ec1b8d813686be189b510fdceed0fdc0f53302ca42b929c3259d09"` [INFO] running `"docker" "rm" "-f" "b5fae16ef1ec1b8d813686be189b510fdceed0fdc0f53302ca42b929c3259d09"` [INFO] [stdout] b5fae16ef1ec1b8d813686be189b510fdceed0fdc0f53302ca42b929c3259d09 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b17ff63645469750551edcae329e5858daaaea381d5966f54aba13f9bc2e0ab9 [INFO] running `"docker" "start" "-a" "b17ff63645469750551edcae329e5858daaaea381d5966f54aba13f9bc2e0ab9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: 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 test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/histogram-fc1ee97525f8c0da [INFO] [stdout] [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_value_to_index ... ok [INFO] [stdout] test histogram::test_histogram_values ... ok [INFO] [stdout] test histogram::test_histogram_addition ... ok [INFO] [stdout] test histogram::test_histogram_max_reuse_time ... ok [INFO] [stdout] test histogram::test_histogram_tuple_add ... ok [INFO] [stdout] test histogram::test_hash ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b17ff63645469750551edcae329e5858daaaea381d5966f54aba13f9bc2e0ab9"` [INFO] running `"docker" "rm" "-f" "b17ff63645469750551edcae329e5858daaaea381d5966f54aba13f9bc2e0ab9"` [INFO] [stdout] b17ff63645469750551edcae329e5858daaaea381d5966f54aba13f9bc2e0ab9