[INFO] cloning repository https://github.com/ueco-jb/ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ueco-jb/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueco-jb%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueco-jb%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c781360ce75b7360a5dec13724b6492a80240efb
[INFO] testing ueco-jb/ray-tracer against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueco-jb%2Fray-tracer" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ueco-jb/ray-tracer on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ueco-jb/ray-tracer
[INFO] finished tweaking git repo https://github.com/ueco-jb/ray-tracer
[INFO] tweaked toml for git repo https://github.com/ueco-jb/ray-tracer written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate git repo https://github.com/ueco-jb/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4dbcf34f457ffd3a6e7097de615c56f0ad65df3f2facc83ccefa7c0cc3abd77
[INFO] running `Command { std: "docker" "start" "-a" "f4dbcf34f457ffd3a6e7097de615c56f0ad65df3f2facc83ccefa7c0cc3abd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4dbcf34f457ffd3a6e7097de615c56f0ad65df3f2facc83ccefa7c0cc3abd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4dbcf34f457ffd3a6e7097de615c56f0ad65df3f2facc83ccefa7c0cc3abd77", kill_on_drop: false }`
[INFO] [stdout] f4dbcf34f457ffd3a6e7097de615c56f0ad65df3f2facc83ccefa7c0cc3abd77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e33a1f13eef35e036eca4687282e2653392ae4b316e3ec4f574708a5c027d3
[INFO] running `Command { std: "docker" "start" "-a" "51e33a1f13eef35e036eca4687282e2653392ae4b316e3ec4f574708a5c027d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_order_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ray_tracer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "51e33a1f13eef35e036eca4687282e2653392ae4b316e3ec4f574708a5c027d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e33a1f13eef35e036eca4687282e2653392ae4b316e3ec4f574708a5c027d3", kill_on_drop: false }`
[INFO] [stdout] 51e33a1f13eef35e036eca4687282e2653392ae4b316e3ec4f574708a5c027d3
