[INFO] cloning repository https://github.com/djdisodo/chipcalc_native_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djdisodo/chipcalc_native_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjdisodo%2Fchipcalc_native_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjdisodo%2Fchipcalc_native_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcc08c6683fdc5ee4bd4c32689c509284bbcfeb2
[INFO] documenting djdisodo/chipcalc_native_rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjdisodo%2Fchipcalc_native_rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djdisodo/chipcalc_native_rust 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 git repo https://github.com/djdisodo/chipcalc_native_rust
[INFO] finished tweaking git repo https://github.com/djdisodo/chipcalc_native_rust
[INFO] tweaked toml for git repo https://github.com/djdisodo/chipcalc_native_rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/djdisodo/chipcalc_native_rust 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 enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded bit_reverse v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9175348524ed82309d260c2030aaad5ededf431b5b76a24fedf5308ca7c70a67
[INFO] running `Command { std: "docker" "start" "-a" "9175348524ed82309d260c2030aaad5ededf431b5b76a24fedf5308ca7c70a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9175348524ed82309d260c2030aaad5ededf431b5b76a24fedf5308ca7c70a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9175348524ed82309d260c2030aaad5ededf431b5b76a24fedf5308ca7c70a67", kill_on_drop: false }`
[INFO] [stdout] 9175348524ed82309d260c2030aaad5ededf431b5b76a24fedf5308ca7c70a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29e32cf97a8e757970968aa149dad449d5baef04413f917e5bf66c1036f90f15
[INFO] running `Command { std: "docker" "start" "-a" "29e32cf97a8e757970968aa149dad449d5baef04413f917e5bf66c1036f90f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]  Documenting chipcalc_native_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/canvas.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 left_space += ((!x >> i) & 0x00000001);
[INFO] [stdout]    |                               ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -                 left_space += ((!x >> i) & 0x00000001);
[INFO] [stdout] 14 +                 left_space += (!x >> i) & 0x00000001;
[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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chipcalc_native_rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name chipcalc_native_rust src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2ba372286a3d5468 -L dependency=/opt/rustwide/target/debug/deps --extern bit_reverse=/opt/rustwide/target/debug/deps/libbit_reverse-9997b43c06bb0cf0.rmeta --extern enum_iterator=/opt/rustwide/target/debug/deps/libenum_iterator-702463cc0924e6f3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-f32a85d64a36c674.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-e97f7eecb109fbd7.so --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-b42adf7feceea969.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-76202461ca7c50ed.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-008bda5df1a8b06c.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-864827bddb796473.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-597d8519ae9d4100.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "29e32cf97a8e757970968aa149dad449d5baef04413f917e5bf66c1036f90f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e32cf97a8e757970968aa149dad449d5baef04413f917e5bf66c1036f90f15", kill_on_drop: false }`
[INFO] [stdout] 29e32cf97a8e757970968aa149dad449d5baef04413f917e5bf66c1036f90f15