[INFO] fetching crate yafo 0.1.1...
[INFO] documenting yafo-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate yafo 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate yafo 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yafo 0.1.1
[INFO] finished tweaking crates.io crate yafo 0.1.1
[INFO] tweaked toml for crates.io crate yafo 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate yafo 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portable-atomic v1.3.2
[INFO] [stderr]   Downloaded indicatif v0.17.4
[INFO] [stderr]   Downloaded cbindgen v0.24.3
[INFO] [stderr]   Downloaded tea-soft v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f89ab70d268f85d46645d54173ac4ed01e217ce10f6846c1a80ceef40e48f93b
[INFO] running `Command { std: "docker" "start" "-a" "f89ab70d268f85d46645d54173ac4ed01e217ce10f6846c1a80ceef40e48f93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f89ab70d268f85d46645d54173ac4ed01e217ce10f6846c1a80ceef40e48f93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89ab70d268f85d46645d54173ac4ed01e217ce10f6846c1a80ceef40e48f93b", kill_on_drop: false }`
[INFO] [stdout] f89ab70d268f85d46645d54173ac4ed01e217ce10f6846c1a80ceef40e48f93b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a8692614b24846518f6b16a8ebb947d064aac7146b6e69e4853465684f79ba
[INFO] running `Command { std: "docker" "start" "-a" "a1a8692614b24846518f6b16a8ebb947d064aac7146b6e69e4853465684f79ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling cbindgen v0.24.3
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling yafo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting yafo v0.1.1 (/opt/rustwide/workdir)
[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(test)]
[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 document `yafo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-type staticlib --crate-name yafo src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4b919aeca02eefcf -L dependency=/opt/rustwide/target/debug/deps --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-436ffa504e47076d.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-f2ff3a5de98228db.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a1a8692614b24846518f6b16a8ebb947d064aac7146b6e69e4853465684f79ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a8692614b24846518f6b16a8ebb947d064aac7146b6e69e4853465684f79ba", kill_on_drop: false }`
[INFO] [stdout] a1a8692614b24846518f6b16a8ebb947d064aac7146b6e69e4853465684f79ba
