[INFO] fetching crate mdbook-tailwindcss 0.1.1...
[INFO] documenting mdbook-tailwindcss-0.1.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate mdbook-tailwindcss 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mdbook-tailwindcss 0.1.1 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] started tweaking crates.io crate mdbook-tailwindcss 0.1.1
[INFO] finished tweaking crates.io crate mdbook-tailwindcss 0.1.1
[INFO] tweaked toml for crates.io crate mdbook-tailwindcss 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-tailwindcss 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.1
[INFO] [stderr]   Downloaded clap_lex v0.1.1
[INFO] [stderr]   Downloaded css-color v0.2.4
[INFO] [stderr]   Downloaded clap v3.1.9
[INFO] [stderr]   Downloaded tailwind-ast v0.4.1
[INFO] [stderr]   Downloaded xxhash-rust v0.8.5
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v10.0.1
[INFO] [stderr]   Downloaded tailwind-css v0.12.4
[INFO] [stderr]   Downloaded tailwind-error v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7fee7e3b49ba83df80ee31b75b1d59384916ecc90a917a6a29cad80f7d5ae46e
[INFO] running `Command { std: "docker" "start" "-a" "7fee7e3b49ba83df80ee31b75b1d59384916ecc90a917a6a29cad80f7d5ae46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fee7e3b49ba83df80ee31b75b1d59384916ecc90a917a6a29cad80f7d5ae46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fee7e3b49ba83df80ee31b75b1d59384916ecc90a917a6a29cad80f7d5ae46e", kill_on_drop: false }`
[INFO] [stdout] 7fee7e3b49ba83df80ee31b75b1d59384916ecc90a917a6a29cad80f7d5ae46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9de73ec2b89a8c5bcc00b270ee7c7026f2a3a6961aabb79510a450754663bae8
[INFO] running `Command { std: "docker" "start" "-a" "9de73ec2b89a8c5bcc00b270ee7c7026f2a3a6961aabb79510a450754663bae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tendril-0.4.1/src/tendril.rs:241:20
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 if (*header).refcount.decrement() == 1 {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tendril-0.4.1/src/tendril.rs:958:9
[INFO] [stdout]     |
[INFO] [stdout] 958 |         (*self.header()).refcount.increment();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[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 E0793`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tendril` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9de73ec2b89a8c5bcc00b270ee7c7026f2a3a6961aabb79510a450754663bae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de73ec2b89a8c5bcc00b270ee7c7026f2a3a6961aabb79510a450754663bae8", kill_on_drop: false }`
[INFO] [stdout] 9de73ec2b89a8c5bcc00b270ee7c7026f2a3a6961aabb79510a450754663bae8
