[INFO] cloning repository https://github.com/aqrun/learning_rust_by_games
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aqrun/learning_rust_by_games" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faqrun%2Flearning_rust_by_games", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faqrun%2Flearning_rust_by_games'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eea6a01b3276231bc68cc87224aa37bd569c92e
[INFO] testing aqrun/learning_rust_by_games against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faqrun%2Flearning_rust_by_games" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aqrun/learning_rust_by_games on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aqrun/learning_rust_by_games
[INFO] finished tweaking git repo https://github.com/aqrun/learning_rust_by_games
[INFO] tweaked toml for git repo https://github.com/aqrun/learning_rust_by_games written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aqrun/learning_rust_by_games already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f1b1a9617512ca610ade23ced1cf401d9ee649e0a6032f52a366c355b84bb78
[INFO] running `Command { std: "docker" "start" "-a" "5f1b1a9617512ca610ade23ced1cf401d9ee649e0a6032f52a366c355b84bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1b1a9617512ca610ade23ced1cf401d9ee649e0a6032f52a366c355b84bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1b1a9617512ca610ade23ced1cf401d9ee649e0a6032f52a366c355b84bb78", kill_on_drop: false }`
[INFO] [stdout] 5f1b1a9617512ca610ade23ced1cf401d9ee649e0a6032f52a366c355b84bb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4d4c2f60d924e67ef02e5406a8c9307f0a3ac3299132576f02040603dfdf8b9
[INFO] running `Command { std: "docker" "start" "-a" "d4d4c2f60d924e67ef02e5406a8c9307f0a3ac3299132576f02040603dfdf8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling mio v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling crossterm v0.18.0
[INFO] [stderr]    Compiling learning_rust_by_games v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]   --> src/bin/3-2-3-array-ball-hit-block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]   --> src/bin/3-2-1-array-ball.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]   --> src/bin/3-2-2-array-ball-with-board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `1_2_1_simple_plane`
[INFO] [stdout]   --> src/bin/1-2-1-simple-plane.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / extern crate aqrun_lrbg;
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | use aqrun_lrbg::common;
[INFO] [stdout] 4  | | use std::io::stdin;
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/bin/1-2-1-simple-plane.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning_rust_by_games`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0601]: `main` function not found in crate `1_2_3_complex_plane`
[INFO] [stdout]   --> src/bin/1-2-3-complex-plane.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / extern crate aqrun_lrbg;
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | use aqrun_lrbg::common;
[INFO] [stdout] 4  | | use crossterm::event::{
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     }
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/bin/1-2-3-complex-plane.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d4d4c2f60d924e67ef02e5406a8c9307f0a3ac3299132576f02040603dfdf8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d4c2f60d924e67ef02e5406a8c9307f0a3ac3299132576f02040603dfdf8b9", kill_on_drop: false }`
[INFO] [stdout] d4d4c2f60d924e67ef02e5406a8c9307f0a3ac3299132576f02040603dfdf8b9
