[INFO] fetching crate retour-utils 0.2.1...
[INFO] documenting retour-utils-0.2.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate retour-utils 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate retour-utils 0.2.1 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate retour-utils 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate retour-utils 0.2.1
[INFO] tweaked toml for crates.io crate retour-utils 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate retour-utils 0.2.1 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 retour-utils-impl v0.2.0
[INFO] [stderr]   Downloaded basic-toml v0.1.1
[INFO] [stderr]   Downloaded mmap-fixed-fixed v0.1.3
[INFO] [stderr]   Downloaded trybuild v1.0.77
[INFO] [stderr]   Downloaded slice-pool v0.4.1
[INFO] [stderr]   Downloaded dissimilar v1.0.6
[INFO] [stderr]   Downloaded libudis86-sys v0.2.1
[INFO] [stderr]   Downloaded retour v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 134ae819941e66f0c115fa65aa6c92c3ef294a4ba5a18366f427b87572d92342
[INFO] running `Command { std: "docker" "start" "-a" "134ae819941e66f0c115fa65aa6c92c3ef294a4ba5a18366f427b87572d92342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "134ae819941e66f0c115fa65aa6c92c3ef294a4ba5a18366f427b87572d92342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134ae819941e66f0c115fa65aa6c92c3ef294a4ba5a18366f427b87572d92342", kill_on_drop: false }`
[INFO] [stdout] 134ae819941e66f0c115fa65aa6c92c3ef294a4ba5a18366f427b87572d92342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d4bbbaf157cf7dc4ba69311405ed7a577406a25e33b75f98394085cbf0e36e7e
[INFO] running `Command { std: "docker" "start" "-a" "d4bbbaf157cf7dc4ba69311405ed7a577406a25e33b75f98394085cbf0e36e7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking slice-pool v0.4.1
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking mmap-fixed-fixed v0.1.3
[INFO] [stderr]     Checking retour v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/retour-0.3.0/src/lib.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   feature(unboxed_closures, tuple_trait)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/retour-0.3.0/src/lib.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 |   feature(unboxed_closures, tuple_trait)
[INFO] [stdout]   |                             ^^^^^^^^^^^
[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 compile `retour` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4bbbaf157cf7dc4ba69311405ed7a577406a25e33b75f98394085cbf0e36e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bbbaf157cf7dc4ba69311405ed7a577406a25e33b75f98394085cbf0e36e7e", kill_on_drop: false }`
[INFO] [stdout] d4bbbaf157cf7dc4ba69311405ed7a577406a25e33b75f98394085cbf0e36e7e
