[INFO] updating cached repository danielbusaba/histogram [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/danielbusaba/histogram [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/danielbusaba/histogram" "work/ex/beta-1.38-1/sources/1.37.0/gh/danielbusaba/histogram"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/danielbusaba/histogram'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/danielbusaba/histogram" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danielbusaba/histogram"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danielbusaba/histogram'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a9f99552de2fb7afbb4cb01b60e801ffbedb6ccb [INFO] sha for GitHub repo danielbusaba/histogram: a9f99552de2fb7afbb4cb01b60e801ffbedb6ccb [INFO] validating manifest of danielbusaba/histogram on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of danielbusaba/histogram on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing danielbusaba/histogram [INFO] finished frobbing danielbusaba/histogram [INFO] frobbed toml for danielbusaba/histogram written to work/ex/beta-1.38-1/sources/1.37.0/gh/danielbusaba/histogram/Cargo.toml [INFO] started frobbing danielbusaba/histogram [INFO] finished frobbing danielbusaba/histogram [INFO] frobbed toml for danielbusaba/histogram written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danielbusaba/histogram/Cargo.toml [INFO] crate danielbusaba/histogram already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing danielbusaba/histogram against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danielbusaba/histogram:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] de2a08271483a8ff7cec21d830107662700495e42dffae37f9b97a48eb4cc785 [INFO] running `"docker" "start" "-a" "de2a08271483a8ff7cec21d830107662700495e42dffae37f9b97a48eb4cc785"` [INFO] [stderr] Compiling histogram v0.1.0 (/opt/crater/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:4:1 [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] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "de2a08271483a8ff7cec21d830107662700495e42dffae37f9b97a48eb4cc785"` [INFO] running `"docker" "rm" "-f" "de2a08271483a8ff7cec21d830107662700495e42dffae37f9b97a48eb4cc785"` [INFO] [stdout] de2a08271483a8ff7cec21d830107662700495e42dffae37f9b97a48eb4cc785 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danielbusaba/histogram:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ebc06d9d686d75f635ed8b20572fdbfda753a1b08d64a59e446fb12de50a664b [INFO] running `"docker" "start" "-a" "ebc06d9d686d75f635ed8b20572fdbfda753a1b08d64a59e446fb12de50a664b"` [INFO] [stderr] Compiling histogram v0.1.0 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 1.46s [INFO] running `"docker" "inspect" "ebc06d9d686d75f635ed8b20572fdbfda753a1b08d64a59e446fb12de50a664b"` [INFO] running `"docker" "rm" "-f" "ebc06d9d686d75f635ed8b20572fdbfda753a1b08d64a59e446fb12de50a664b"` [INFO] [stdout] ebc06d9d686d75f635ed8b20572fdbfda753a1b08d64a59e446fb12de50a664b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danielbusaba/histogram:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] ec717a087822944a7c1dc4960a767468d52dbefc9651ca76a4638f72dbf86588 [INFO] running `"docker" "start" "-a" "ec717a087822944a7c1dc4960a767468d52dbefc9651ca76a4638f72dbf86588"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/histogram-edebe4903f3462d8 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test histogram::test_histogram_values ... ok [INFO] [stdout] test histogram::test_value_to_index ... ok [INFO] [stdout] test histogram::test_histogram_tuple_add ... ok [INFO] [stdout] test histogram::test_histogram_max_reuse_time ... ok [INFO] [stdout] test histogram::test_histogram_insertion ... ok [INFO] [stdout] test histogram::test_histogram_addition ... ok [INFO] [stdout] test histogram::test_hash ... ok [INFO] [stdout] test histogram::test_clone ... 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" "ec717a087822944a7c1dc4960a767468d52dbefc9651ca76a4638f72dbf86588"` [INFO] running `"docker" "rm" "-f" "ec717a087822944a7c1dc4960a767468d52dbefc9651ca76a4638f72dbf86588"` [INFO] [stdout] ec717a087822944a7c1dc4960a767468d52dbefc9651ca76a4638f72dbf86588