[INFO] cloning repository https://github.com/marco9999/chip8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marco9999/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarco9999%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarco9999%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b748cdbfd31515ed3a220dc44131a0ece0c7f008
[INFO] documenting marco9999/chip8-rs 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%2Fmarco9999%2Fchip8-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marco9999/chip8-rs 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/marco9999/chip8-rs
[INFO] finished tweaking git repo https://github.com/marco9999/chip8-rs
[INFO] tweaked toml for git repo https://github.com/marco9999/chip8-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/marco9999/chip8-rs 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 90423f88440ec547750631dca6f3c012a6a289c63495f19003ad8c64ab0f2b9f
[INFO] running `Command { std: "docker" "start" "-a" "90423f88440ec547750631dca6f3c012a6a289c63495f19003ad8c64ab0f2b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90423f88440ec547750631dca6f3c012a6a289c63495f19003ad8c64ab0f2b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90423f88440ec547750631dca6f3c012a6a289c63495f19003ad8c64ab0f2b9f", kill_on_drop: false }`
[INFO] [stdout] 90423f88440ec547750631dca6f3c012a6a289c63495f19003ad8c64ab0f2b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 15e6ba4ec4d80667cf5fb503b63f57f74fd8f02a3dc26239f5033ce8bd334714
[INFO] running `Command { std: "docker" "start" "-a" "15e6ba4ec4d80667cf5fb503b63f57f74fd8f02a3dc26239f5033ce8bd334714", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking quick-error v1.2.0
[INFO] [stderr]     Checking smallvec v0.4.3
[INFO] [stderr]     Checking itoa v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling chip8_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.1.15
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking parking_lot_core v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking parking_lot v0.4.5
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking log4rs v0.7.0
[INFO] [stderr]  Documenting chip8_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[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(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chip8_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name chip8_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-ac3b4455ba8c6abc.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-70b5c29c9b88d7a6.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-b1c832dc73cf4c39.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d782b131b9a9e3f0.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-c94d292471fec98b.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-05c1e15761ab7df2.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f0c36305f7cf3a4f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7a623265df9b614a.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-8b39d9ca13f28019.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-8c1f5a6e9d7a9921.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d8943b782397215a.so --cap-lints=warn --crate-version 0.1.0 --cfg 'build="debug"'` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "15e6ba4ec4d80667cf5fb503b63f57f74fd8f02a3dc26239f5033ce8bd334714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e6ba4ec4d80667cf5fb503b63f57f74fd8f02a3dc26239f5033ce8bd334714", kill_on_drop: false }`
[INFO] [stdout] 15e6ba4ec4d80667cf5fb503b63f57f74fd8f02a3dc26239f5033ce8bd334714
