[INFO] updating cached repository https://github.com/ajpierce/euler-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 606b682bd8daf7e9449a46b589098f0c63ec4746
[INFO] checking ajpierce/euler-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajpierce%2Feuler-rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajpierce/euler-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ajpierce/euler-rust
[INFO] finished tweaking git repo https://github.com/ajpierce/euler-rust
[INFO] tweaked toml for git repo https://github.com/ajpierce/euler-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ajpierce/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0db8e19591f66399cf7d714df635ba4fb91bee4db61ef1ae01cc968a0e71a983
[INFO] running `"docker" "start" "-a" "0db8e19591f66399cf7d714df635ba4fb91bee4db61ef1ae01cc968a0e71a983"`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking primes v0.2.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/p005.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         } else if (answer % 20 == 0) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> src/p005.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/p005.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         } else if (answer % 20 == 0) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `for_sum`
[INFO] [stderr]   --> src/p001.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn for_sum(max: i32) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_while`
[INFO] [stderr]   --> src/p002.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn solve_while(limit: u32) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_for`
[INFO] [stderr]   --> src/p002.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn solve_for(limit: u32) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_takewhile`
[INFO] [stderr]   --> src/p002.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn solve_takewhile(limit: u32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_takewhile_filter_mutable`
[INFO] [stderr]   --> src/p002.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn solve_takewhile_filter_mutable(limit: u32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_big`
[INFO] [stderr]   --> src/p005.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn solve_big(min: u64, max: u64) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_vbig`
[INFO] [stderr]   --> src/p005.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn solve_vbig(min: u64, max: u64) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `"docker" "inspect" "0db8e19591f66399cf7d714df635ba4fb91bee4db61ef1ae01cc968a0e71a983"`
[INFO] running `"docker" "rm" "-f" "0db8e19591f66399cf7d714df635ba4fb91bee4db61ef1ae01cc968a0e71a983"`
[INFO] [stdout] 0db8e19591f66399cf7d714df635ba4fb91bee4db61ef1ae01cc968a0e71a983