Dec 19 17:02:37.291 INFO checking fgaray/project-euler-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 17:02:37.291 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/fgaray/project-euler-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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 17:02:37.616 INFO [stdout] 68cb79fc61a69434a691234eadfafa91ab91e30e5c8cce8c58b06d7b7d79a5fc Dec 19 17:02:37.618 INFO running `"docker" "start" "-a" "68cb79fc61a69434a691234eadfafa91ab91e30e5c8cce8c58b06d7b7d79a5fc"` Dec 19 17:02:38.282 INFO [stderr] Checking euler v0.1.0 (/opt/crater/workdir) Dec 19 17:02:38.460 INFO [stderr] warning: unused import: `std` Dec 19 17:02:38.460 INFO [stderr] --> src/problem3/mod.rs:3:5 Dec 19 17:02:38.460 INFO [stderr] | Dec 19 17:02:38.460 INFO [stderr] 3 | use std; Dec 19 17:02:38.460 INFO [stderr] | ^^^ Dec 19 17:02:38.460 INFO [stderr] | Dec 19 17:02:38.460 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 17:02:38.460 INFO [stderr] Dec 19 17:02:38.460 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:38.460 INFO [stderr] --> src/problem9/mod.rs:6:14 Dec 19 17:02:38.460 INFO [stderr] | Dec 19 17:02:38.460 INFO [stderr] 6 | for b in (1..1000) { Dec 19 17:02:38.460 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:38.460 INFO [stderr] | Dec 19 17:02:38.460 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 19 17:02:38.460 INFO [stderr] Dec 19 17:02:38.460 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:38.460 INFO [stderr] --> src/problem9/mod.rs:7:18 Dec 19 17:02:38.460 INFO [stderr] | Dec 19 17:02:38.460 INFO [stderr] 7 | for c in (1..1000) { Dec 19 17:02:38.460 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:38.460 INFO [stderr] Dec 19 17:02:38.460 INFO [stderr] warning: unused import: `std` Dec 19 17:02:38.461 INFO [stderr] --> src/problem10/mod.rs:3:5 Dec 19 17:02:38.461 INFO [stderr] | Dec 19 17:02:38.461 INFO [stderr] 3 | use std; Dec 19 17:02:38.465 INFO [stderr] | ^^^ Dec 19 17:02:38.465 INFO [stderr] Dec 19 17:02:38.466 INFO [stderr] warning: unused import: `std` Dec 19 17:02:38.466 INFO [stderr] --> src/problem3/mod.rs:3:5 Dec 19 17:02:38.466 INFO [stderr] | Dec 19 17:02:38.466 INFO [stderr] 3 | use std; Dec 19 17:02:38.466 INFO [stderr] | ^^^ Dec 19 17:02:38.466 INFO [stderr] | Dec 19 17:02:38.466 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 17:02:38.466 INFO [stderr] Dec 19 17:02:38.466 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:38.466 INFO [stderr] --> src/problem9/mod.rs:6:14 Dec 19 17:02:38.466 INFO [stderr] | Dec 19 17:02:38.466 INFO [stderr] 6 | for b in (1..1000) { Dec 19 17:02:38.466 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:38.466 INFO [stderr] | Dec 19 17:02:38.466 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 19 17:02:38.466 INFO [stderr] Dec 19 17:02:38.466 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:38.466 INFO [stderr] --> src/problem9/mod.rs:7:18 Dec 19 17:02:38.466 INFO [stderr] | Dec 19 17:02:38.466 INFO [stderr] 7 | for c in (1..1000) { Dec 19 17:02:38.466 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:38.466 INFO [stderr] Dec 19 17:02:38.466 INFO [stderr] warning: unused import: `std` Dec 19 17:02:38.466 INFO [stderr] --> src/problem10/mod.rs:3:5 Dec 19 17:02:38.466 INFO [stderr] | Dec 19 17:02:38.466 INFO [stderr] 3 | use std; Dec 19 17:02:38.466 INFO [stderr] | ^^^ Dec 19 17:02:38.466 INFO [stderr] Dec 19 17:02:38.494 INFO [stderr] warning: unused variable: `d1` Dec 19 17:02:38.494 INFO [stderr] --> src/problem4/mod.rs:6:13 Dec 19 17:02:38.494 INFO [stderr] | Dec 19 17:02:38.494 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:38.494 INFO [stderr] | ^^ help: consider using `_d1` instead Dec 19 17:02:38.494 INFO [stderr] | Dec 19 17:02:38.494 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 17:02:38.494 INFO [stderr] Dec 19 17:02:38.494 INFO [stderr] warning: unused variable: `d2` Dec 19 17:02:38.495 INFO [stderr] --> src/problem4/mod.rs:7:13 Dec 19 17:02:38.495 INFO [stderr] | Dec 19 17:02:38.495 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:38.495 INFO [stderr] | ^^ help: consider using `_d2` instead Dec 19 17:02:38.495 INFO [stderr] Dec 19 17:02:38.499 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.499 INFO [stderr] --> src/problem3/mod.rs:20:8 Dec 19 17:02:38.499 INFO [stderr] | Dec 19 17:02:38.499 INFO [stderr] 20 | let mut v = prime.get_mem(); Dec 19 17:02:38.499 INFO [stderr] | ----^ Dec 19 17:02:38.499 INFO [stderr] | | Dec 19 17:02:38.499 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.499 INFO [stderr] | Dec 19 17:02:38.500 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 17:02:38.500 INFO [stderr] Dec 19 17:02:38.501 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.501 INFO [stderr] --> src/problem4/mod.rs:6:9 Dec 19 17:02:38.501 INFO [stderr] | Dec 19 17:02:38.501 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:38.501 INFO [stderr] | ----^^ Dec 19 17:02:38.501 INFO [stderr] | | Dec 19 17:02:38.501 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.501 INFO [stderr] Dec 19 17:02:38.501 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.501 INFO [stderr] --> src/problem4/mod.rs:7:9 Dec 19 17:02:38.501 INFO [stderr] | Dec 19 17:02:38.501 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:38.501 INFO [stderr] | ----^^ Dec 19 17:02:38.501 INFO [stderr] | | Dec 19 17:02:38.501 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.501 INFO [stderr] Dec 19 17:02:38.509 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.509 INFO [stderr] --> src/utils/prime.rs:23:13 Dec 19 17:02:38.509 INFO [stderr] | Dec 19 17:02:38.509 INFO [stderr] 23 | let mut v = Vec::new(); Dec 19 17:02:38.510 INFO [stderr] | ----^ Dec 19 17:02:38.510 INFO [stderr] | | Dec 19 17:02:38.510 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.510 INFO [stderr] Dec 19 17:02:38.510 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.510 INFO [stderr] --> src/utils/prime.rs:29:13 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 29 | let mut v = Vec::with_capacity(capacity); Dec 19 17:02:38.511 INFO [stderr] | ----^ Dec 19 17:02:38.511 INFO [stderr] | | Dec 19 17:02:38.511 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.511 INFO [stderr] --> src/problem3/mod.rs:6:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 6 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.511 INFO [stderr] --> src/problem4/mod.rs:5:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 5 | pub fn solve() -> i32 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.511 INFO [stderr] --> src/problem5/mod.rs:2:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 2 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.511 INFO [stderr] --> src/problem6/mod.rs:3:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 3 | pub fn solve(upper: i64) -> i64 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.511 INFO [stderr] --> src/problem7/mod.rs:4:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 4 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.511 INFO [stderr] --> src/problem9/mod.rs:5:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 5 | pub fn solve(constant: i64) -> i64 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: method is never used: `get_mem` Dec 19 17:02:38.511 INFO [stderr] --> src/utils/prime.rs:54:5 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 54 | pub fn get_mem(&mut self) -> &Vec { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.511 INFO [stderr] warning: function is never used: `reverse` Dec 19 17:02:38.511 INFO [stderr] --> src/utils/number.rs:13:1 Dec 19 17:02:38.511 INFO [stderr] | Dec 19 17:02:38.511 INFO [stderr] 13 | pub fn reverse(n: i32) -> i32 { Dec 19 17:02:38.511 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.511 INFO [stderr] Dec 19 17:02:38.533 INFO [stderr] warning: unused variable: `d1` Dec 19 17:02:38.533 INFO [stderr] --> src/problem4/mod.rs:6:13 Dec 19 17:02:38.533 INFO [stderr] | Dec 19 17:02:38.533 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:38.533 INFO [stderr] | ^^ help: consider using `_d1` instead Dec 19 17:02:38.533 INFO [stderr] | Dec 19 17:02:38.533 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 17:02:38.533 INFO [stderr] Dec 19 17:02:38.533 INFO [stderr] warning: unused variable: `d2` Dec 19 17:02:38.533 INFO [stderr] --> src/problem4/mod.rs:7:13 Dec 19 17:02:38.533 INFO [stderr] | Dec 19 17:02:38.533 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:38.533 INFO [stderr] | ^^ help: consider using `_d2` instead Dec 19 17:02:38.533 INFO [stderr] Dec 19 17:02:38.563 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.564 INFO [stderr] --> src/problem3/mod.rs:20:8 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 20 | let mut v = prime.get_mem(); Dec 19 17:02:38.564 INFO [stderr] | ----^ Dec 19 17:02:38.564 INFO [stderr] | | Dec 19 17:02:38.564 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 17:02:38.564 INFO [stderr] Dec 19 17:02:38.564 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.564 INFO [stderr] --> src/problem4/mod.rs:6:9 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:38.564 INFO [stderr] | ----^^ Dec 19 17:02:38.564 INFO [stderr] | | Dec 19 17:02:38.564 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.564 INFO [stderr] Dec 19 17:02:38.564 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.564 INFO [stderr] --> src/problem4/mod.rs:7:9 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:38.564 INFO [stderr] | ----^^ Dec 19 17:02:38.564 INFO [stderr] | | Dec 19 17:02:38.564 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.564 INFO [stderr] Dec 19 17:02:38.564 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.564 INFO [stderr] --> src/utils/prime.rs:23:13 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 23 | let mut v = Vec::new(); Dec 19 17:02:38.564 INFO [stderr] | ----^ Dec 19 17:02:38.564 INFO [stderr] | | Dec 19 17:02:38.564 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.564 INFO [stderr] Dec 19 17:02:38.564 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:38.564 INFO [stderr] --> src/utils/prime.rs:29:13 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 29 | let mut v = Vec::with_capacity(capacity); Dec 19 17:02:38.564 INFO [stderr] | ----^ Dec 19 17:02:38.564 INFO [stderr] | | Dec 19 17:02:38.564 INFO [stderr] | help: remove this `mut` Dec 19 17:02:38.564 INFO [stderr] Dec 19 17:02:38.564 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.564 INFO [stderr] --> src/problem3/mod.rs:6:1 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 6 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:38.564 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 17:02:38.564 INFO [stderr] Dec 19 17:02:38.564 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.564 INFO [stderr] --> src/problem4/mod.rs:5:1 Dec 19 17:02:38.564 INFO [stderr] | Dec 19 17:02:38.564 INFO [stderr] 5 | pub fn solve() -> i32 { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.565 INFO [stderr] --> src/problem5/mod.rs:2:1 Dec 19 17:02:38.565 INFO [stderr] | Dec 19 17:02:38.565 INFO [stderr] 2 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.565 INFO [stderr] --> src/problem6/mod.rs:3:1 Dec 19 17:02:38.565 INFO [stderr] | Dec 19 17:02:38.565 INFO [stderr] 3 | pub fn solve(upper: i64) -> i64 { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.565 INFO [stderr] --> src/problem7/mod.rs:4:1 Dec 19 17:02:38.565 INFO [stderr] | Dec 19 17:02:38.565 INFO [stderr] 4 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:38.565 INFO [stderr] --> src/problem9/mod.rs:5:1 Dec 19 17:02:38.565 INFO [stderr] | Dec 19 17:02:38.565 INFO [stderr] 5 | pub fn solve(constant: i64) -> i64 { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] warning: method is never used: `get_mem` Dec 19 17:02:38.565 INFO [stderr] --> src/utils/prime.rs:54:5 Dec 19 17:02:38.565 INFO [stderr] | Dec 19 17:02:38.565 INFO [stderr] 54 | pub fn get_mem(&mut self) -> &Vec { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] warning: function is never used: `reverse` Dec 19 17:02:38.565 INFO [stderr] --> src/utils/number.rs:13:1 Dec 19 17:02:38.565 INFO [stderr] | Dec 19 17:02:38.565 INFO [stderr] 13 | pub fn reverse(n: i32) -> i32 { Dec 19 17:02:38.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:38.565 INFO [stderr] Dec 19 17:02:38.565 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s Dec 19 17:02:39.050 INFO running `"docker" "inspect" "68cb79fc61a69434a691234eadfafa91ab91e30e5c8cce8c58b06d7b7d79a5fc"` Dec 19 17:02:39.397 INFO running `"docker" "rm" "-f" "68cb79fc61a69434a691234eadfafa91ab91e30e5c8cce8c58b06d7b7d79a5fc"` Dec 19 17:02:39.775 INFO [stdout] 68cb79fc61a69434a691234eadfafa91ab91e30e5c8cce8c58b06d7b7d79a5fc