Dec 19 17:02:35.909 INFO checking fgaray/project-euler-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 17:02:35.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 17:02:36.278 INFO [stdout] 988243188f540df7450e7f9047ef93cd943ca01dcbb54a96f65ed8f97696b71d Dec 19 17:02:36.280 INFO running `"docker" "start" "-a" "988243188f540df7450e7f9047ef93cd943ca01dcbb54a96f65ed8f97696b71d"` Dec 19 17:02:36.992 INFO [stderr] Checking euler v0.1.0 (/opt/crater/workdir) Dec 19 17:02:37.250 INFO [stderr] warning: unused import: `std` Dec 19 17:02:37.250 INFO [stderr] --> src/problem3/mod.rs:3:5 Dec 19 17:02:37.250 INFO [stderr] | Dec 19 17:02:37.250 INFO [stderr] 3 | use std; Dec 19 17:02:37.250 INFO [stderr] | ^^^ Dec 19 17:02:37.250 INFO [stderr] | Dec 19 17:02:37.250 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 17:02:37.250 INFO [stderr] Dec 19 17:02:37.250 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:37.250 INFO [stderr] --> src/problem9/mod.rs:6:14 Dec 19 17:02:37.250 INFO [stderr] | Dec 19 17:02:37.250 INFO [stderr] 6 | for b in (1..1000) { Dec 19 17:02:37.250 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:37.250 INFO [stderr] | Dec 19 17:02:37.250 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 19 17:02:37.250 INFO [stderr] Dec 19 17:02:37.250 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:37.250 INFO [stderr] --> src/problem9/mod.rs:7:18 Dec 19 17:02:37.250 INFO [stderr] | Dec 19 17:02:37.250 INFO [stderr] 7 | for c in (1..1000) { Dec 19 17:02:37.250 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:37.250 INFO [stderr] Dec 19 17:02:37.250 INFO [stderr] warning: unused import: `std` Dec 19 17:02:37.250 INFO [stderr] --> src/problem10/mod.rs:3:5 Dec 19 17:02:37.250 INFO [stderr] | Dec 19 17:02:37.250 INFO [stderr] 3 | use std; Dec 19 17:02:37.250 INFO [stderr] | ^^^ Dec 19 17:02:37.250 INFO [stderr] Dec 19 17:02:37.255 INFO [stderr] warning: unused import: `std` Dec 19 17:02:37.255 INFO [stderr] --> src/problem3/mod.rs:3:5 Dec 19 17:02:37.255 INFO [stderr] | Dec 19 17:02:37.255 INFO [stderr] 3 | use std; Dec 19 17:02:37.256 INFO [stderr] | ^^^ Dec 19 17:02:37.256 INFO [stderr] | Dec 19 17:02:37.256 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 17:02:37.256 INFO [stderr] Dec 19 17:02:37.256 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:37.256 INFO [stderr] --> src/problem9/mod.rs:6:14 Dec 19 17:02:37.256 INFO [stderr] | Dec 19 17:02:37.256 INFO [stderr] 6 | for b in (1..1000) { Dec 19 17:02:37.256 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:37.256 INFO [stderr] | Dec 19 17:02:37.256 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 19 17:02:37.256 INFO [stderr] Dec 19 17:02:37.256 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 19 17:02:37.256 INFO [stderr] --> src/problem9/mod.rs:7:18 Dec 19 17:02:37.256 INFO [stderr] | Dec 19 17:02:37.256 INFO [stderr] 7 | for c in (1..1000) { Dec 19 17:02:37.256 INFO [stderr] | ^^^^^^^^^ help: remove these parentheses Dec 19 17:02:37.256 INFO [stderr] Dec 19 17:02:37.256 INFO [stderr] warning: unused import: `std` Dec 19 17:02:37.257 INFO [stderr] --> src/problem10/mod.rs:3:5 Dec 19 17:02:37.257 INFO [stderr] | Dec 19 17:02:37.257 INFO [stderr] 3 | use std; Dec 19 17:02:37.257 INFO [stderr] | ^^^ Dec 19 17:02:37.257 INFO [stderr] Dec 19 17:02:37.332 INFO [stderr] warning: unused variable: `d1` Dec 19 17:02:37.332 INFO [stderr] --> src/problem4/mod.rs:6:13 Dec 19 17:02:37.332 INFO [stderr] | Dec 19 17:02:37.332 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:37.332 INFO [stderr] | ^^ help: consider using `_d1` instead Dec 19 17:02:37.332 INFO [stderr] | Dec 19 17:02:37.332 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 17:02:37.332 INFO [stderr] Dec 19 17:02:37.332 INFO [stderr] warning: unused variable: `d2` Dec 19 17:02:37.332 INFO [stderr] --> src/problem4/mod.rs:7:13 Dec 19 17:02:37.332 INFO [stderr] | Dec 19 17:02:37.332 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:37.332 INFO [stderr] | ^^ help: consider using `_d2` instead Dec 19 17:02:37.332 INFO [stderr] Dec 19 17:02:37.336 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.336 INFO [stderr] --> src/problem3/mod.rs:20:8 Dec 19 17:02:37.336 INFO [stderr] | Dec 19 17:02:37.336 INFO [stderr] 20 | let mut v = prime.get_mem(); Dec 19 17:02:37.336 INFO [stderr] | ----^ Dec 19 17:02:37.336 INFO [stderr] | | Dec 19 17:02:37.336 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.336 INFO [stderr] | Dec 19 17:02:37.336 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 17:02:37.336 INFO [stderr] Dec 19 17:02:37.338 INFO [stderr] warning: unused variable: `d1` Dec 19 17:02:37.338 INFO [stderr] --> src/problem4/mod.rs:6:13 Dec 19 17:02:37.338 INFO [stderr] | Dec 19 17:02:37.338 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:37.338 INFO [stderr] | ^^ help: consider using `_d1` instead Dec 19 17:02:37.338 INFO [stderr] | Dec 19 17:02:37.338 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 17:02:37.338 INFO [stderr] Dec 19 17:02:37.338 INFO [stderr] warning: unused variable: `d2` Dec 19 17:02:37.338 INFO [stderr] --> src/problem4/mod.rs:7:13 Dec 19 17:02:37.338 INFO [stderr] | Dec 19 17:02:37.338 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:37.338 INFO [stderr] | ^^ help: consider using `_d2` instead Dec 19 17:02:37.338 INFO [stderr] Dec 19 17:02:37.338 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.338 INFO [stderr] --> src/problem4/mod.rs:6:9 Dec 19 17:02:37.338 INFO [stderr] | Dec 19 17:02:37.338 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:37.338 INFO [stderr] | ----^^ Dec 19 17:02:37.338 INFO [stderr] | | Dec 19 17:02:37.338 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.338 INFO [stderr] Dec 19 17:02:37.338 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.338 INFO [stderr] --> src/problem4/mod.rs:7:9 Dec 19 17:02:37.338 INFO [stderr] | Dec 19 17:02:37.338 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:37.338 INFO [stderr] | ----^^ Dec 19 17:02:37.338 INFO [stderr] | | Dec 19 17:02:37.338 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.338 INFO [stderr] Dec 19 17:02:37.344 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.344 INFO [stderr] --> src/problem3/mod.rs:20:8 Dec 19 17:02:37.344 INFO [stderr] | Dec 19 17:02:37.344 INFO [stderr] 20 | let mut v = prime.get_mem(); Dec 19 17:02:37.344 INFO [stderr] | ----^ Dec 19 17:02:37.344 INFO [stderr] | | Dec 19 17:02:37.344 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.344 INFO [stderr] | Dec 19 17:02:37.344 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 17:02:37.344 INFO [stderr] Dec 19 17:02:37.346 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.346 INFO [stderr] --> src/utils/prime.rs:23:13 Dec 19 17:02:37.346 INFO [stderr] | Dec 19 17:02:37.346 INFO [stderr] 23 | let mut v = Vec::new(); Dec 19 17:02:37.346 INFO [stderr] | ----^ Dec 19 17:02:37.346 INFO [stderr] | | Dec 19 17:02:37.346 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.346 INFO [stderr] Dec 19 17:02:37.346 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.346 INFO [stderr] --> src/problem4/mod.rs:6:9 Dec 19 17:02:37.346 INFO [stderr] | Dec 19 17:02:37.346 INFO [stderr] 6 | let mut d1 = 1; Dec 19 17:02:37.346 INFO [stderr] | ----^^ Dec 19 17:02:37.346 INFO [stderr] | | Dec 19 17:02:37.346 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.346 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.346 INFO [stderr] --> src/utils/prime.rs:29:13 Dec 19 17:02:37.346 INFO [stderr] | Dec 19 17:02:37.346 INFO [stderr] 29 | let mut v = Vec::with_capacity(capacity); Dec 19 17:02:37.346 INFO [stderr] | ----^ Dec 19 17:02:37.346 INFO [stderr] | | Dec 19 17:02:37.346 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.346 INFO [stderr] Dec 19 17:02:37.346 INFO [stderr] Dec 19 17:02:37.346 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.346 INFO [stderr] --> src/problem4/mod.rs:7:9 Dec 19 17:02:37.346 INFO [stderr] | Dec 19 17:02:37.346 INFO [stderr] 7 | let mut d2 = 1; Dec 19 17:02:37.346 INFO [stderr] | ----^^ Dec 19 17:02:37.346 INFO [stderr] | | Dec 19 17:02:37.346 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.346 INFO [stderr] Dec 19 17:02:37.349 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.349 INFO [stderr] --> src/problem3/mod.rs:6:1 Dec 19 17:02:37.349 INFO [stderr] | Dec 19 17:02:37.349 INFO [stderr] 6 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:37.349 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.349 INFO [stderr] | Dec 19 17:02:37.349 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 17:02:37.349 INFO [stderr] Dec 19 17:02:37.349 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.349 INFO [stderr] --> src/problem4/mod.rs:5:1 Dec 19 17:02:37.349 INFO [stderr] | Dec 19 17:02:37.349 INFO [stderr] 5 | pub fn solve() -> i32 { Dec 19 17:02:37.349 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.349 INFO [stderr] Dec 19 17:02:37.349 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.349 INFO [stderr] --> src/problem5/mod.rs:2:1 Dec 19 17:02:37.350 INFO [stderr] | Dec 19 17:02:37.350 INFO [stderr] 2 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:37.350 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.350 INFO [stderr] Dec 19 17:02:37.350 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.350 INFO [stderr] --> src/problem6/mod.rs:3:1 Dec 19 17:02:37.350 INFO [stderr] | Dec 19 17:02:37.350 INFO [stderr] 3 | pub fn solve(upper: i64) -> i64 { Dec 19 17:02:37.350 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.350 INFO [stderr] Dec 19 17:02:37.350 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.350 INFO [stderr] --> src/problem7/mod.rs:4:1 Dec 19 17:02:37.350 INFO [stderr] | Dec 19 17:02:37.350 INFO [stderr] 4 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:37.350 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.350 INFO [stderr] Dec 19 17:02:37.350 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.350 INFO [stderr] --> src/problem9/mod.rs:5:1 Dec 19 17:02:37.350 INFO [stderr] | Dec 19 17:02:37.350 INFO [stderr] 5 | pub fn solve(constant: i64) -> i64 { Dec 19 17:02:37.350 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.350 INFO [stderr] Dec 19 17:02:37.350 INFO [stderr] warning: method is never used: `get_mem` Dec 19 17:02:37.350 INFO [stderr] --> src/utils/prime.rs:54:5 Dec 19 17:02:37.350 INFO [stderr] | Dec 19 17:02:37.350 INFO [stderr] 54 | pub fn get_mem(&mut self) -> &Vec { Dec 19 17:02:37.350 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.350 INFO [stderr] Dec 19 17:02:37.350 INFO [stderr] warning: function is never used: `reverse` Dec 19 17:02:37.350 INFO [stderr] --> src/utils/number.rs:13:1 Dec 19 17:02:37.350 INFO [stderr] | Dec 19 17:02:37.350 INFO [stderr] 13 | pub fn reverse(n: i32) -> i32 { Dec 19 17:02:37.350 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.350 INFO [stderr] Dec 19 17:02:37.354 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.354 INFO [stderr] --> src/utils/prime.rs:23:13 Dec 19 17:02:37.354 INFO [stderr] | Dec 19 17:02:37.354 INFO [stderr] 23 | let mut v = Vec::new(); Dec 19 17:02:37.354 INFO [stderr] | ----^ Dec 19 17:02:37.354 INFO [stderr] | | Dec 19 17:02:37.354 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.354 INFO [stderr] Dec 19 17:02:37.354 INFO [stderr] warning: variable does not need to be mutable Dec 19 17:02:37.354 INFO [stderr] --> src/utils/prime.rs:29:13 Dec 19 17:02:37.354 INFO [stderr] | Dec 19 17:02:37.354 INFO [stderr] 29 | let mut v = Vec::with_capacity(capacity); Dec 19 17:02:37.354 INFO [stderr] | ----^ Dec 19 17:02:37.354 INFO [stderr] | | Dec 19 17:02:37.354 INFO [stderr] | help: remove this `mut` Dec 19 17:02:37.354 INFO [stderr] Dec 19 17:02:37.357 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.357 INFO [stderr] --> src/problem3/mod.rs:6:1 Dec 19 17:02:37.357 INFO [stderr] | Dec 19 17:02:37.357 INFO [stderr] 6 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:37.357 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.357 INFO [stderr] | Dec 19 17:02:37.358 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 17:02:37.358 INFO [stderr] Dec 19 17:02:37.358 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.358 INFO [stderr] --> src/problem4/mod.rs:5:1 Dec 19 17:02:37.358 INFO [stderr] | Dec 19 17:02:37.358 INFO [stderr] 5 | pub fn solve() -> i32 { Dec 19 17:02:37.358 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.358 INFO [stderr] Dec 19 17:02:37.358 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.358 INFO [stderr] --> src/problem5/mod.rs:2:1 Dec 19 17:02:37.358 INFO [stderr] | Dec 19 17:02:37.358 INFO [stderr] 2 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:37.358 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.358 INFO [stderr] Dec 19 17:02:37.358 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.359 INFO [stderr] --> src/problem6/mod.rs:3:1 Dec 19 17:02:37.359 INFO [stderr] | Dec 19 17:02:37.359 INFO [stderr] 3 | pub fn solve(upper: i64) -> i64 { Dec 19 17:02:37.359 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.359 INFO [stderr] Dec 19 17:02:37.359 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.359 INFO [stderr] --> src/problem7/mod.rs:4:1 Dec 19 17:02:37.359 INFO [stderr] | Dec 19 17:02:37.359 INFO [stderr] 4 | pub fn solve(n: i64) -> i64 { Dec 19 17:02:37.359 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.359 INFO [stderr] Dec 19 17:02:37.359 INFO [stderr] warning: function is never used: `solve` Dec 19 17:02:37.359 INFO [stderr] --> src/problem9/mod.rs:5:1 Dec 19 17:02:37.359 INFO [stderr] | Dec 19 17:02:37.359 INFO [stderr] 5 | pub fn solve(constant: i64) -> i64 { Dec 19 17:02:37.359 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.359 INFO [stderr] Dec 19 17:02:37.359 INFO [stderr] warning: method is never used: `get_mem` Dec 19 17:02:37.359 INFO [stderr] --> src/utils/prime.rs:54:5 Dec 19 17:02:37.359 INFO [stderr] | Dec 19 17:02:37.359 INFO [stderr] 54 | pub fn get_mem(&mut self) -> &Vec { Dec 19 17:02:37.359 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.359 INFO [stderr] Dec 19 17:02:37.359 INFO [stderr] warning: function is never used: `reverse` Dec 19 17:02:37.359 INFO [stderr] --> src/utils/number.rs:13:1 Dec 19 17:02:37.359 INFO [stderr] | Dec 19 17:02:37.359 INFO [stderr] 13 | pub fn reverse(n: i32) -> i32 { Dec 19 17:02:37.359 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:02:37.359 INFO [stderr] Dec 19 17:02:37.397 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s Dec 19 17:02:37.733 INFO running `"docker" "inspect" "988243188f540df7450e7f9047ef93cd943ca01dcbb54a96f65ed8f97696b71d"` Dec 19 17:02:37.835 INFO running `"docker" "rm" "-f" "988243188f540df7450e7f9047ef93cd943ca01dcbb54a96f65ed8f97696b71d"` Dec 19 17:02:37.962 INFO [stdout] 988243188f540df7450e7f9047ef93cd943ca01dcbb54a96f65ed8f97696b71d