[INFO] cloning repository https://github.com/akitsu-sanae/ysd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akitsu-sanae/ysd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fysd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fysd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f4b95746c96c2a459ed2b0112e7ec4a58f2c658
[INFO] testing akitsu-sanae/ysd against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fysd" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akitsu-sanae/ysd on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akitsu-sanae/ysd
[INFO] finished tweaking git repo https://github.com/akitsu-sanae/ysd
[INFO] tweaked toml for git repo https://github.com/akitsu-sanae/ysd written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/akitsu-sanae/ysd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded dirs v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cfdfaa8445c7369bd0ffc7ad65f4c9f4e05b52bc4468529cb92eb366c559a80
[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" "5cfdfaa8445c7369bd0ffc7ad65f4c9f4e05b52bc4468529cb92eb366c559a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cfdfaa8445c7369bd0ffc7ad65f4c9f4e05b52bc4468529cb92eb366c559a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfdfaa8445c7369bd0ffc7ad65f4c9f4e05b52bc4468529cb92eb366c559a80", kill_on_drop: false }`
[INFO] [stdout] 5cfdfaa8445c7369bd0ffc7ad65f4c9f4e05b52bc4468529cb92eb366c559a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f7bfc068368b4940a31bfb61d4f883b0bd20240852056254ccaa6cb15ba583
[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" "63f7bfc068368b4940a31bfb61d4f883b0bd20240852056254ccaa6cb15ba583", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling ysd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/drawer.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in { 0..frame.height } {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/drawer.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |             for i in { 0..frame.height } {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ysd` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "63f7bfc068368b4940a31bfb61d4f883b0bd20240852056254ccaa6cb15ba583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f7bfc068368b4940a31bfb61d4f883b0bd20240852056254ccaa6cb15ba583", kill_on_drop: false }`
[INFO] [stdout] 63f7bfc068368b4940a31bfb61d4f883b0bd20240852056254ccaa6cb15ba583