[INFO] cloning repository https://github.com/hgzimmerman/ray_cast_tui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgzimmerman/ray_cast_tui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Fray_cast_tui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Fray_cast_tui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8a2a776704d9d6e79b708fc4dbc66b1d34bb7ff
[INFO] testing hgzimmerman/ray_cast_tui against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Fray_cast_tui" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hgzimmerman/ray_cast_tui on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hgzimmerman/ray_cast_tui
[INFO] finished tweaking git repo https://github.com/hgzimmerman/ray_cast_tui
[INFO] tweaked toml for git repo https://github.com/hgzimmerman/ray_cast_tui written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/hgzimmerman/ray_cast_tui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6024b5196d740a8db85c7315a1c956af5ddb0cababee31c2fb0e078e759ea9e9
[INFO] running `Command { std: "docker" "start" "-a" "6024b5196d740a8db85c7315a1c956af5ddb0cababee31c2fb0e078e759ea9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6024b5196d740a8db85c7315a1c956af5ddb0cababee31c2fb0e078e759ea9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6024b5196d740a8db85c7315a1c956af5ddb0cababee31c2fb0e078e759ea9e9", kill_on_drop: false }`
[INFO] [stdout] 6024b5196d740a8db85c7315a1c956af5ddb0cababee31c2fb0e078e759ea9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3333ad66032ca2f7d2870bec8355b0b26614fb2f7286e69a58ee7161598ad060
[INFO] running `Command { std: "docker" "start" "-a" "3333ad66032ca2f7d2870bec8355b0b26614fb2f7286e69a58ee7161598ad060", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling ray_cast_tui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_float)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_float_secs` found for struct `Duration` in the current scope
[INFO] [stdout]   --> src/main.rs:73:44
[INFO] [stdout]    |
[INFO] [stdout] 73 |         frame_time = t1.elapsed().unwrap().as_float_secs() as f32;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^ method not found in `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray_cast_tui` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3333ad66032ca2f7d2870bec8355b0b26614fb2f7286e69a58ee7161598ad060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3333ad66032ca2f7d2870bec8355b0b26614fb2f7286e69a58ee7161598ad060", kill_on_drop: false }`
[INFO] [stdout] 3333ad66032ca2f7d2870bec8355b0b26614fb2f7286e69a58ee7161598ad060