[INFO] cloning repository https://github.com/ntegan/project_euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntegan/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Fproject_euler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Fproject_euler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5515483e5b0055471de6d6ebc1b7c28640f77107 [INFO] checking ntegan/project_euler against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Fproject_euler" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ntegan/project_euler on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ntegan/project_euler [INFO] finished tweaking git repo https://github.com/ntegan/project_euler [INFO] tweaked toml for git repo https://github.com/ntegan/project_euler written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ntegan/project_euler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6095c7d3083cedff9bce8be7514903876a5263bdb063cafc0846b1bd794b8a8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e6095c7d3083cedff9bce8be7514903876a5263bdb063cafc0846b1bd794b8a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6095c7d3083cedff9bce8be7514903876a5263bdb063cafc0846b1bd794b8a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6095c7d3083cedff9bce8be7514903876a5263bdb063cafc0846b1bd794b8a8", kill_on_drop: false }` [INFO] [stdout] e6095c7d3083cedff9bce8be7514903876a5263bdb063cafc0846b1bd794b8a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f7cc9198464df4564d49d8ec91c89bf9cbf569621db4616f2429bff41bdb721 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0f7cc9198464df4564d49d8ec91c89bf9cbf569621db4616f2429bff41bdb721", kill_on_drop: false }` [INFO] [stderr] Checking zzz_print_problem_header v0.1.0 (/opt/rustwide/workdir/zzz_print_problem_header) [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking ab_two v0.1.0 (/opt/rustwide/workdir/ab_two) [INFO] [stderr] Checking aa_one v0.1.0 (/opt/rustwide/workdir/aa_one) [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking ac_three v0.1.0 (/opt/rustwide/workdir/ac_three) [INFO] [stderr] Checking ag_seven v0.1.0 (/opt/rustwide/workdir/ag_seven) [INFO] [stderr] Checking af_six v0.1.0 (/opt/rustwide/workdir/af_six) [INFO] [stderr] Checking ae_five v0.1.0 (/opt/rustwide/workdir/ae_five) [INFO] [stderr] Checking ad_four v0.1.0 (/opt/rustwide/workdir/ad_four) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> ad_four/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> ae_five/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> ad_four/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_found` [INFO] [stdout] --> ad_four/src/main.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | ... let first_found = j; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_found` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> ae_five/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_found` [INFO] [stdout] --> ad_four/src/main.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | ... let first_found = j; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_found` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ad_four/src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut first_found: u64 = 0; // j when find first palindrome [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ad_four/src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut first_found: u64 = 0; // j when find first palindrome [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking ah_eight v0.1.0 (/opt/rustwide/workdir/ah_eight) [INFO] [stderr] Checking ai_nine v0.1.0 (/opt/rustwide/workdir/ai_nine) [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> ai_nine/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> ai_nine/src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> ai_nine/src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> ah_eight/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> ai_nine/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> ai_nine/src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> ai_nine/src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> ah_eight/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.72s [INFO] running `Command { std: "docker" "inspect" "0f7cc9198464df4564d49d8ec91c89bf9cbf569621db4616f2429bff41bdb721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f7cc9198464df4564d49d8ec91c89bf9cbf569621db4616f2429bff41bdb721", kill_on_drop: false }` [INFO] [stdout] 0f7cc9198464df4564d49d8ec91c89bf9cbf569621db4616f2429bff41bdb721