[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/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/bencelaszlo/numerical-methods-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/bencelaszlo/numerical-methods-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/bencelaszlo/numerical-methods-rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/bencelaszlo/numerical-methods-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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 master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of bencelaszlo/numerical-methods-rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "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/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking bencelaszlo/numerical-methods-rust against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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=forbid" "-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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5a6d26febe8ad7d97af1e54e81dc1bc91edebb17e55559c4fb07cfae9eca2bff [INFO] running `"docker" "start" "-a" "5a6d26febe8ad7d97af1e54e81dc1bc91edebb17e55559c4fb07cfae9eca2bff"` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking coarsetime v0.1.10 [INFO] [stderr] Checking 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] 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 5.34s [INFO] running `"docker" "inspect" "5a6d26febe8ad7d97af1e54e81dc1bc91edebb17e55559c4fb07cfae9eca2bff"` [INFO] running `"docker" "rm" "-f" "5a6d26febe8ad7d97af1e54e81dc1bc91edebb17e55559c4fb07cfae9eca2bff"` [INFO] [stdout] 5a6d26febe8ad7d97af1e54e81dc1bc91edebb17e55559c4fb07cfae9eca2bff