[INFO] updating cached repository https://github.com/ChristianPomales/ai_homework [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] d63eab064b2d2b5e0d9e178982b11b2397480cd0 [INFO] testing ChristianPomales/ai_homework against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristianPomales%2Fai_homework" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChristianPomales/ai_homework on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ChristianPomales/ai_homework [INFO] finished tweaking git repo https://github.com/ChristianPomales/ai_homework [INFO] tweaked toml for git repo https://github.com/ChristianPomales/ai_homework written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ChristianPomales/ai_homework already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aa61d6f235cc8194b11b1c0678d470afd7d3140ca03225be936dffc36b0ee32a [INFO] running `"docker" "start" "-a" "aa61d6f235cc8194b11b1c0678d470afd7d3140ca03225be936dffc36b0ee32a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling ai_homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:467:39 [INFO] [stderr] | [INFO] [stderr] 467 | let mut first_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:471:40 [INFO] [stderr] | [INFO] [stderr] 471 | let mut second_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:475:39 [INFO] [stderr] | [INFO] [stderr] 475 | let mut third_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:549:46 [INFO] [stderr] | [INFO] [stderr] 549 | let mut difficulty_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:618:43 [INFO] [stderr] | [INFO] [stderr] 618 | let mut puzzle_option = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:668:45 [INFO] [stderr] | [INFO] [stderr] 668 | let mut heuristic_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.79s [INFO] running `"docker" "inspect" "aa61d6f235cc8194b11b1c0678d470afd7d3140ca03225be936dffc36b0ee32a"` [INFO] running `"docker" "rm" "-f" "aa61d6f235cc8194b11b1c0678d470afd7d3140ca03225be936dffc36b0ee32a"` [INFO] [stdout] aa61d6f235cc8194b11b1c0678d470afd7d3140ca03225be936dffc36b0ee32a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d8a5105f879f09e526a728efd941a798450a0095e85c49782023fba67859c0bc [INFO] running `"docker" "start" "-a" "d8a5105f879f09e526a728efd941a798450a0095e85c49782023fba67859c0bc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ai_homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:467:39 [INFO] [stderr] | [INFO] [stderr] 467 | let mut first_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:471:40 [INFO] [stderr] | [INFO] [stderr] 471 | let mut second_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:475:39 [INFO] [stderr] | [INFO] [stderr] 475 | let mut third_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:549:46 [INFO] [stderr] | [INFO] [stderr] 549 | let mut difficulty_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:618:43 [INFO] [stderr] | [INFO] [stderr] 618 | let mut puzzle_option = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:668:45 [INFO] [stderr] | [INFO] [stderr] 668 | let mut heuristic_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `"docker" "inspect" "d8a5105f879f09e526a728efd941a798450a0095e85c49782023fba67859c0bc"` [INFO] running `"docker" "rm" "-f" "d8a5105f879f09e526a728efd941a798450a0095e85c49782023fba67859c0bc"` [INFO] [stdout] d8a5105f879f09e526a728efd941a798450a0095e85c49782023fba67859c0bc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ddc10f7ff06cb95a313c48002021ec15165740653ed6b8e29d991f7496d1812a [INFO] running `"docker" "start" "-a" "ddc10f7ff06cb95a313c48002021ec15165740653ed6b8e29d991f7496d1812a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:467:39 [INFO] [stderr] | [INFO] [stderr] 467 | let mut first_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:471:40 [INFO] [stderr] | [INFO] [stderr] 471 | let mut second_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:475:39 [INFO] [stderr] | [INFO] [stderr] 475 | let mut third_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:549:46 [INFO] [stderr] | [INFO] [stderr] 549 | let mut difficulty_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:618:43 [INFO] [stderr] | [INFO] [stderr] 618 | let mut puzzle_option = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:668:45 [INFO] [stderr] | [INFO] [stderr] 668 | let mut heuristic_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ai_homework-74c1c9562c8e9ec4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ddc10f7ff06cb95a313c48002021ec15165740653ed6b8e29d991f7496d1812a"` [INFO] running `"docker" "rm" "-f" "ddc10f7ff06cb95a313c48002021ec15165740653ed6b8e29d991f7496d1812a"` [INFO] [stdout] ddc10f7ff06cb95a313c48002021ec15165740653ed6b8e29d991f7496d1812a