[INFO] cloning repository https://github.com/pypypypypypypypypyp/roguelike_ccg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pypypypypypypypypyp/roguelike_ccg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Froguelike_ccg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Froguelike_ccg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8222df69f8199a261cc5b5f036829207744a41bd
[INFO] documenting pypypypypypypypypyp/roguelike_ccg against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Froguelike_ccg" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pypypypypypypypypyp/roguelike_ccg 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/pypypypypypypypypyp/roguelike_ccg
[INFO] finished tweaking git repo https://github.com/pypypypypypypypypyp/roguelike_ccg
[INFO] tweaked toml for git repo https://github.com/pypypypypypypypypyp/roguelike_ccg written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pypypypypypypypypyp/roguelike_ccg 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bf3f6686dd191edf0acba79a5259793f018336e55b7cdc73b35c12c18fb6ef4e
[INFO] running `Command { std: "docker" "start" "-a" "bf3f6686dd191edf0acba79a5259793f018336e55b7cdc73b35c12c18fb6ef4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf3f6686dd191edf0acba79a5259793f018336e55b7cdc73b35c12c18fb6ef4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3f6686dd191edf0acba79a5259793f018336e55b7cdc73b35c12c18fb6ef4e", kill_on_drop: false }`
[INFO] [stdout] bf3f6686dd191edf0acba79a5259793f018336e55b7cdc73b35c12c18fb6ef4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 839c1de68d9b0569585b6d58332922ddad22f275243639acea56e6d0f46ec3cf
[INFO] running `Command { std: "docker" "start" "-a" "839c1de68d9b0569585b6d58332922ddad22f275243639acea56e6d0f46ec3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]     Checking metatype v0.1.1
[INFO] [stderr]     Checking array_tuple v0.1.0 (https://github.com/pypypypypypypypypyp/array_tuple#a75ae591)
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking terminal v0.1.0 (https://github.com/pypypypypypypypypyp/terminal#c64dda7e)
[INFO] [stderr]     Checking limiter v0.1.0 (https://github.com/pypypypypypypypypyp/limiter#f812738f)
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/metatype-0.1.1/src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(raw, box_syntax, specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[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 `metatype`
[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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/array_tuple-50bd20982362b952/a75ae59/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "839c1de68d9b0569585b6d58332922ddad22f275243639acea56e6d0f46ec3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839c1de68d9b0569585b6d58332922ddad22f275243639acea56e6d0f46ec3cf", kill_on_drop: false }`
[INFO] [stdout] 839c1de68d9b0569585b6d58332922ddad22f275243639acea56e6d0f46ec3cf
