[INFO] cloning repository https://github.com/Fi3/kteach-r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fi3/kteach-r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fkteach-r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fkteach-r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4eb5921b00e9049479a8468dc1751876e0aca27
[INFO] testing Fi3/kteach-r against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fkteach-r" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fi3/kteach-r on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fi3/kteach-r
[INFO] finished tweaking git repo https://github.com/Fi3/kteach-r
[INFO] tweaked toml for git repo https://github.com/Fi3/kteach-r written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Fi3/kteach-r already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdd09f3df58cacf75f52a23feef6e851605da87fad4fa0efa73eb83a0396c010
[INFO] running `Command { std: "docker" "start" "-a" "fdd09f3df58cacf75f52a23feef6e851605da87fad4fa0efa73eb83a0396c010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdd09f3df58cacf75f52a23feef6e851605da87fad4fa0efa73eb83a0396c010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd09f3df58cacf75f52a23feef6e851605da87fad4fa0efa73eb83a0396c010", kill_on_drop: false }`
[INFO] [stdout] fdd09f3df58cacf75f52a23feef6e851605da87fad4fa0efa73eb83a0396c010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8cea09350be2410a3daaa8cacaeaefd6df58b9edc6baa47c7e1d3e123791e9
[INFO] running `Command { std: "docker" "start" "-a" "5e8cea09350be2410a3daaa8cacaeaefd6df58b9edc6baa47c7e1d3e123791e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
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[INFO] [stderr]    Compiling gio-sys v0.10.1
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[INFO] [stderr]    Compiling pango-sys v0.10.0
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[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
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[INFO] [stderr]    Compiling keyboard-types v0.5.0
[INFO] [stderr]    Compiling glow v0.6.1
[INFO] [stderr]    Compiling wmidi v4.0.1
[INFO] [stderr]    Compiling fluent-syntax v0.9.3
[INFO] [stderr]    Compiling ringbuf v0.2.2
[INFO] [stderr]    Compiling svg_fmt v0.4.1
[INFO] [stderr]    Compiling kteach-core v0.1.0 (/opt/rustwide/workdir/kteach-core)
[INFO] [stderr]    Compiling druid-derive v0.3.1 (https://github.com/linebender/druid?rev=6fd8ff9c6dd4f8c628347ca7eda4f5d762ae3001#6fd8ff9c)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kteach-core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kteach-core` (lib) due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e8cea09350be2410a3daaa8cacaeaefd6df58b9edc6baa47c7e1d3e123791e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8cea09350be2410a3daaa8cacaeaefd6df58b9edc6baa47c7e1d3e123791e9", kill_on_drop: false }`
[INFO] [stdout] 5e8cea09350be2410a3daaa8cacaeaefd6df58b9edc6baa47c7e1d3e123791e9
