[INFO] fetching crate talos 0.1.0...
[INFO] documenting talos-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate talos 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate talos 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate talos 0.1.0
[INFO] finished tweaking crates.io crate talos 0.1.0
[INFO] tweaked toml for crates.io crate talos 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate talos 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx_eq v0.1.8
[INFO] [stderr]   Downloaded alea v0.2.2
[INFO] [stderr]   Downloaded reverse v0.2.2
[INFO] [stderr]   Downloaded talos_procs v0.1.0
[INFO] [stderr]   Downloaded compute v0.2.2
[INFO] [stderr]   Downloaded impl_ops v0.1.1
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fa6832ef8a2b1e7a2d3c00354aac690ff026f5e3a5e2ecb393eef3ada570f4
[INFO] running `Command { std: "docker" "start" "-a" "66fa6832ef8a2b1e7a2d3c00354aac690ff026f5e3a5e2ecb393eef3ada570f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fa6832ef8a2b1e7a2d3c00354aac690ff026f5e3a5e2ecb393eef3ada570f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fa6832ef8a2b1e7a2d3c00354aac690ff026f5e3a5e2ecb393eef3ada570f4", kill_on_drop: false }`
[INFO] [stdout] 66fa6832ef8a2b1e7a2d3c00354aac690ff026f5e3a5e2ecb393eef3ada570f4
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3afb5a56f140092c5ab7a467b9d21716659b20e67faffe3e8e31aab2007223d7
[INFO] running `Command { std: "docker" "start" "-a" "3afb5a56f140092c5ab7a467b9d21716659b20e67faffe3e8e31aab2007223d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking alea v0.2.2
[INFO] [stderr]     Checking reverse v0.2.2
[INFO] [stderr]     Checking approx_eq v0.1.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]     Checking compute v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling talos_procs v0.1.0
[INFO] [stderr]  Documenting talos 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(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `talos`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name talos src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cade51bbcb439d5b -L dependency=/opt/rustwide/target/debug/deps --extern alea=/opt/rustwide/target/debug/deps/libalea-1579953b32b4b2c3.rmeta --extern compute=/opt/rustwide/target/debug/deps/libcompute-511893698d4f4147.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-dbe743f61c156485.rmeta --extern reverse=/opt/rustwide/target/debug/deps/libreverse-d459d2cea3669201.rmeta --extern seq_macro=/opt/rustwide/target/debug/deps/libseq_macro-ab71ae4a0f8579d8.so --extern talos_procs=/opt/rustwide/target/debug/deps/libtalos_procs-c81853eed20fe589.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3afb5a56f140092c5ab7a467b9d21716659b20e67faffe3e8e31aab2007223d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afb5a56f140092c5ab7a467b9d21716659b20e67faffe3e8e31aab2007223d7", kill_on_drop: false }`
[INFO] [stdout] 3afb5a56f140092c5ab7a467b9d21716659b20e67faffe3e8e31aab2007223d7