[INFO] fetching crate forkfs 0.2.5...
[INFO] documenting forkfs-0.2.5 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate forkfs 0.2.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate forkfs 0.2.5 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate forkfs 0.2.5
[INFO] finished tweaking crates.io crate forkfs 0.2.5
[INFO] tweaked toml for crates.io crate forkfs 0.2.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate forkfs 0.2.5 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cvt v0.1.2
[INFO] [stderr]   Downloaded fs_at v0.1.3
[INFO] [stderr]   Downloaded winnow v0.4.0
[INFO] [stderr]   Downloaded error-stack v0.3.1
[INFO] [stderr]   Downloaded rustdoc-json v0.8.2
[INFO] [stderr]   Downloaded rustix v0.37.3
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded rustdoc-types v0.20.0
[INFO] [stderr]   Downloaded typed-builder v0.14.0
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] [stderr]   Downloaded supercilex-tests v0.3.1
[INFO] [stderr]   Downloaded normpath v1.1.0
[INFO] [stderr]   Downloaded dirs-sys v0.4.0
[INFO] [stderr]   Downloaded remove_dir_all v0.8.1
[INFO] [stderr]   Downloaded dissimilar v1.0.6
[INFO] [stderr]   Downloaded expect-test v1.4.1
[INFO] [stderr]   Downloaded public-api v0.27.3
[INFO] [stderr]   Downloaded cargo-manifest v0.7.1
[INFO] [stderr]   Downloaded dirs v5.0.0
[INFO] [stderr]   Downloaded clap2 v4.1.8
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.0
[INFO] [stderr]   Downloaded fuc_engine v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f628d7322b639f86007fa74700502427a369f0497dcec52c05940f713bd78bc3
[INFO] running `Command { std: "docker" "start" "-a" "f628d7322b639f86007fa74700502427a369f0497dcec52c05940f713bd78bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f628d7322b639f86007fa74700502427a369f0497dcec52c05940f713bd78bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f628d7322b639f86007fa74700502427a369f0497dcec52c05940f713bd78bc3", kill_on_drop: false }`
[INFO] [stdout] f628d7322b639f86007fa74700502427a369f0497dcec52c05940f713bd78bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a4c22206180b0626e50fe1c97d1248f1ca091d30684a913ee02e6a8ab86b46
[INFO] running `Command { std: "docker" "start" "-a" "43a4c22206180b0626e50fe1c97d1248f1ca091d30684a913ee02e6a8ab86b46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rustix v0.37.3
[INFO] [stderr]     Checking linux-raw-sys v0.3.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking dirs-sys v0.4.0
[INFO] [stderr]     Checking dirs v5.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling error-stack v0.3.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v2.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking is-terminal v0.4.5
[INFO] [stderr]     Checking terminal_size v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.8
[INFO] [stderr]    Compiling typed-builder v0.14.0
[INFO] [stderr]     Checking fuc_engine v1.1.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fuc_engine-1.1.6/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_cstr_methods)]
[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/github.com-1ecc6299db9ec823/fuc_engine-1.1.6/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_result_drop)]
[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/github.com-1ecc6299db9ec823/fuc_engine-1.1.6/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_option)]
[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/github.com-1ecc6299db9ec823/fuc_engine-1.1.6/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `fuc_engine` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "43a4c22206180b0626e50fe1c97d1248f1ca091d30684a913ee02e6a8ab86b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a4c22206180b0626e50fe1c97d1248f1ca091d30684a913ee02e6a8ab86b46", kill_on_drop: false }`
[INFO] [stdout] 43a4c22206180b0626e50fe1c97d1248f1ca091d30684a913ee02e6a8ab86b46
