[INFO] cloning repository https://github.com/antoyo/buzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antoyo/buzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoyo%2Fbuzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoyo%2Fbuzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c98f8e00c9cf62ac6930e280dd498c7edcc8d0
[INFO] checking antoyo/buzzle/f3c98f8e00c9cf62ac6930e280dd498c7edcc8d0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoyo%2Fbuzzle" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antoyo/buzzle on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antoyo/buzzle
[INFO] finished tweaking git repo https://github.com/antoyo/buzzle
[INFO] tweaked toml for git repo https://github.com/antoyo/buzzle written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/antoyo/buzzle 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/antoyo/shakmaty`
[INFO] [stderr]     Updating git repository `https://github.com/antoyo/rust-chessground`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/niklasf/rust-pgn-reader`
[INFO] [stderr]     Updating git repository `https://gitlab.gnome.org/GNOME/librsvg`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.5
[INFO] [stderr]   Downloaded relm v0.19.0
[INFO] [stderr]   Downloaded pango-sys v0.9.1
[INFO] [stderr]   Downloaded pin-project v0.4.21
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded pangocairo-sys v0.10.1
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded pango v0.8.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.8.0
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded paste v0.1.16
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded xml5ever v0.16.1
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded gio-sys v0.9.1
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded gio v0.8.1
[INFO] [stderr]   Downloaded gdk v0.12.1
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded gtk-sys v0.9.2
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded gtk v0.8.1
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded cssparser-macros v0.6.0
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.1
[INFO] [stderr]   Downloaded gdk-sys v0.9.1
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[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded paste-impl v0.1.16
[INFO] [stderr]   Downloaded pangocairo v0.9.0
[INFO] [stderr]   Downloaded dtoa-short v0.3.2
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.21
[INFO] [stderr]   Downloaded atk v0.8.0
[INFO] [stderr]   Downloaded dtoa v0.4.5
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded tendril v0.4.1
[INFO] [stderr]   Downloaded atk-sys v0.9.1
[INFO] [stderr]   Downloaded relm-derive v0.19.1
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa36583c0fd5f2e90a59bdf8b1f62d5495e59f65afa724a668f8d3b8c21454af
[INFO] running `Command { std: "docker" "start" "-a" "fa36583c0fd5f2e90a59bdf8b1f62d5495e59f65afa724a668f8d3b8c21454af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa36583c0fd5f2e90a59bdf8b1f62d5495e59f65afa724a668f8d3b8c21454af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa36583c0fd5f2e90a59bdf8b1f62d5495e59f65afa724a668f8d3b8c21454af", kill_on_drop: false }`
[INFO] [stdout] fa36583c0fd5f2e90a59bdf8b1f62d5495e59f65afa724a668f8d3b8c21454af
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3c972ac9488d8182c5c4222baf90925fbf82fd6acafd388fa67ade1f5213fd4
[INFO] running `Command { std: "docker" "start" "-a" "a3c972ac9488d8182c5c4222baf90925fbf82fd6acafd388fa67ade1f5213fd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.21
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling pangocairo-sys v0.10.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[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]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[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 num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-queue 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" "a3c972ac9488d8182c5c4222baf90925fbf82fd6acafd388fa67ade1f5213fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c972ac9488d8182c5c4222baf90925fbf82fd6acafd388fa67ade1f5213fd4", kill_on_drop: false }`
[INFO] [stdout] a3c972ac9488d8182c5c4222baf90925fbf82fd6acafd388fa67ade1f5213fd4