[INFO] updating cached repository bencelaszlo/numerical-methods-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/bencelaszlo/numerical-methods-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/bencelaszlo/numerical-methods-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/bencelaszlo/numerical-methods-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bencelaszlo/numerical-methods-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/bencelaszlo/numerical-methods-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bencelaszlo/numerical-methods-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bencelaszlo/numerical-methods-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2fed8a65db7c024182bae4d95fcc176e04ddee05 [INFO] sha for GitHub repo bencelaszlo/numerical-methods-rust: 2fed8a65db7c024182bae4d95fcc176e04ddee05 [INFO] validating manifest of bencelaszlo/numerical-methods-rust 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 bencelaszlo/numerical-methods-rust 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 bencelaszlo/numerical-methods-rust [INFO] finished frobbing bencelaszlo/numerical-methods-rust [INFO] frobbed toml for bencelaszlo/numerical-methods-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/bencelaszlo/numerical-methods-rust/Cargo.toml [INFO] started frobbing bencelaszlo/numerical-methods-rust [INFO] finished frobbing bencelaszlo/numerical-methods-rust [INFO] frobbed toml for bencelaszlo/numerical-methods-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bencelaszlo/numerical-methods-rust/Cargo.toml [INFO] crate bencelaszlo/numerical-methods-rust 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] testing bencelaszlo/numerical-methods-rust against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bencelaszlo/numerical-methods-rust:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] a343e7b99f95285882ff7666fa768250db6e04100b02ca1e37e9352fd86eb88a [INFO] running `"docker" "start" "-a" "a343e7b99f95285882ff7666fa768250db6e04100b02ca1e37e9352fd86eb88a"` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling coarsetime v0.1.10 [INFO] [stderr] Compiling numerical_methods_rust v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:8:29 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::{SystemTime, Duration}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_time` [INFO] [stderr] --> src/main.rs:11:6 [INFO] [stderr] | [INFO] [stderr] 11 | let start_time = SystemTime::now(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_start_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test_numbers` [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let mut test_numbers: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_test_numbers` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_iteration` [INFO] [stderr] --> src/integration.rs:69:41 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn q_gauss_legendre(a: f32, b: f32, max_iteration: i32) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_max_iteration` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut test_numbers: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 8.14s [INFO] running `"docker" "inspect" "a343e7b99f95285882ff7666fa768250db6e04100b02ca1e37e9352fd86eb88a"` [INFO] running `"docker" "rm" "-f" "a343e7b99f95285882ff7666fa768250db6e04100b02ca1e37e9352fd86eb88a"` [INFO] [stdout] a343e7b99f95285882ff7666fa768250db6e04100b02ca1e37e9352fd86eb88a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bencelaszlo/numerical-methods-rust:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] aaf5b4bca79c6d7ac79a8d67895c235ae73c66304819ddaacf6bf4fa82a14a81 [INFO] running `"docker" "start" "-a" "aaf5b4bca79c6d7ac79a8d67895c235ae73c66304819ddaacf6bf4fa82a14a81"` [INFO] [stderr] Compiling numerical_methods_rust v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:8:29 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::{SystemTime, Duration}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_time` [INFO] [stderr] --> src/main.rs:11:6 [INFO] [stderr] | [INFO] [stderr] 11 | let start_time = SystemTime::now(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_start_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test_numbers` [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let mut test_numbers: Vec = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_test_numbers` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_iteration` [INFO] [stderr] --> src/integration.rs:69:41 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn q_gauss_legendre(a: f32, b: f32, max_iteration: i32) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_max_iteration` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut test_numbers: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "aaf5b4bca79c6d7ac79a8d67895c235ae73c66304819ddaacf6bf4fa82a14a81"` [INFO] running `"docker" "rm" "-f" "aaf5b4bca79c6d7ac79a8d67895c235ae73c66304819ddaacf6bf4fa82a14a81"` [INFO] [stdout] aaf5b4bca79c6d7ac79a8d67895c235ae73c66304819ddaacf6bf4fa82a14a81 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bencelaszlo/numerical-methods-rust:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] f6d5e9714434745b57f4477a1ed54f03d73858d10bcdf7e3b6e0a6f9fdde5ddf [INFO] running `"docker" "start" "-a" "f6d5e9714434745b57f4477a1ed54f03d73858d10bcdf7e3b6e0a6f9fdde5ddf"` [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/numerical_methods_rust-e05c4ba87a62783b [INFO] running `"docker" "inspect" "f6d5e9714434745b57f4477a1ed54f03d73858d10bcdf7e3b6e0a6f9fdde5ddf"` [INFO] running `"docker" "rm" "-f" "f6d5e9714434745b57f4477a1ed54f03d73858d10bcdf7e3b6e0a6f9fdde5ddf"` [INFO] [stdout] f6d5e9714434745b57f4477a1ed54f03d73858d10bcdf7e3b6e0a6f9fdde5ddf