[INFO] fetching crate mdbook-auto-gen-summary 0.1.10...
[INFO] checking mdbook-auto-gen-summary-0.1.10 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate mdbook-auto-gen-summary 0.1.10 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mdbook-auto-gen-summary 0.1.10 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-auto-gen-summary 0.1.10
[INFO] finished tweaking crates.io crate mdbook-auto-gen-summary 0.1.10
[INFO] tweaked toml for crates.io crate mdbook-auto-gen-summary 0.1.10 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-auto-gen-summary 0.1.10 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded input_buffer v0.3.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.10.1
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[INFO] [stderr]   Downloaded string_cache v0.8.0
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[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.9
[INFO] [stderr]   Downloaded mdbook v0.4.6
[INFO] [stderr]   Downloaded gitignore v1.0.6
[INFO] [stderr]   Downloaded handlebars v3.3.0
[INFO] [stderr]   Downloaded filetime v0.2.11
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b3531fbeb1a4c48b2bfdb5d6c2575f02a6ceed357aacef9725f5668abb1e7b8
[INFO] running `Command { std: "docker" "start" "-a" "3b3531fbeb1a4c48b2bfdb5d6c2575f02a6ceed357aacef9725f5668abb1e7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3531fbeb1a4c48b2bfdb5d6c2575f02a6ceed357aacef9725f5668abb1e7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3531fbeb1a4c48b2bfdb5d6c2575f02a6ceed357aacef9725f5668abb1e7b8", kill_on_drop: false }`
[INFO] [stdout] 3b3531fbeb1a4c48b2bfdb5d6c2575f02a6ceed357aacef9725f5668abb1e7b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0357cf10911e21833eaf0c72d63d8ad5d1f4032034ec8ca4496ffc9b45be3f
[INFO] running `Command { std: "docker" "start" "-a" "0b0357cf10911e21833eaf0c72d63d8ad5d1f4032034ec8ca4496ffc9b45be3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: 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/index.crates.io-6f17d22bba15001f/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: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: 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] [stderr]     Checking opaque-debug v0.2.3
[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` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0b0357cf10911e21833eaf0c72d63d8ad5d1f4032034ec8ca4496ffc9b45be3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0357cf10911e21833eaf0c72d63d8ad5d1f4032034ec8ca4496ffc9b45be3f", kill_on_drop: false }`
[INFO] [stdout] 0b0357cf10911e21833eaf0c72d63d8ad5d1f4032034ec8ca4496ffc9b45be3f
[INFO] checking mdbook-auto-gen-summary-0.1.10 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate mdbook-auto-gen-summary 0.1.10 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mdbook-auto-gen-summary 0.1.10 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-auto-gen-summary 0.1.10
[INFO] finished tweaking crates.io crate mdbook-auto-gen-summary 0.1.10
[INFO] tweaked toml for crates.io crate mdbook-auto-gen-summary 0.1.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-auto-gen-summary 0.1.10 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c7b425d6f9fcd4840a96b39fd3e14b630efe5050f936ef6952c1aa6e576c54d
[INFO] running `Command { std: "docker" "start" "-a" "3c7b425d6f9fcd4840a96b39fd3e14b630efe5050f936ef6952c1aa6e576c54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7b425d6f9fcd4840a96b39fd3e14b630efe5050f936ef6952c1aa6e576c54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7b425d6f9fcd4840a96b39fd3e14b630efe5050f936ef6952c1aa6e576c54d", kill_on_drop: false }`
[INFO] [stdout] 3c7b425d6f9fcd4840a96b39fd3e14b630efe5050f936ef6952c1aa6e576c54d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6069e6f505392301c89d8bfa250def99191a4065b897f0b1401ada5140e02e
[INFO] running `Command { std: "docker" "start" "-a" "fc6069e6f505392301c89d8bfa250def99191a4065b897f0b1401ada5140e02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: 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] [stderr]     Checking phf v0.8.0
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: 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` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fc6069e6f505392301c89d8bfa250def99191a4065b897f0b1401ada5140e02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6069e6f505392301c89d8bfa250def99191a4065b897f0b1401ada5140e02e", kill_on_drop: false }`
[INFO] [stdout] fc6069e6f505392301c89d8bfa250def99191a4065b897f0b1401ada5140e02e
