[INFO] cloning repository https://github.com/mdzk-rs/mdzk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdzk-rs/mdzk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdzk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdzk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20b1ab485b969b2603fb615c4b84f2a5df276fd3
[INFO] checking mdzk-rs/mdzk against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdzk" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdzk-rs/mdzk on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdzk-rs/mdzk
[INFO] finished tweaking git repo https://github.com/mdzk-rs/mdzk
[INFO] tweaked toml for git repo https://github.com/mdzk-rs/mdzk written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mdzk-rs/mdzk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded tracing-core v0.1.19
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded futures-macro v0.3.17
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded serde_json v1.0.67
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded gray_matter v0.2.1
[INFO] [stderr]   Downloaded quick-js v0.4.1
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded katex v0.3.4
[INFO] [stderr]   Downloaded hyper v0.14.12
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.13
[INFO] [stderr]   Downloaded urlencoding v2.1.0
[INFO] [stderr]   Downloaded sha-1 v0.9.8
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded libquickjs-sys v0.9.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded handlebars v4.1.2
[INFO] [stderr]   Downloaded mdbook-katex v0.2.10
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded copy_dir v0.1.2
[INFO] [stderr]   Downloaded anyhow v1.0.43
[INFO] [stderr]   Downloaded tokio v1.11.0
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded ammonia v3.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 638dac3e212419a72d0620d0fa9d6a4a36582fb49d4fd767b98e6496c014ad24
[INFO] running `Command { std: "docker" "start" "-a" "638dac3e212419a72d0620d0fa9d6a4a36582fb49d4fd767b98e6496c014ad24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "638dac3e212419a72d0620d0fa9d6a4a36582fb49d4fd767b98e6496c014ad24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638dac3e212419a72d0620d0fa9d6a4a36582fb49d4fd767b98e6496c014ad24", kill_on_drop: false }`
[INFO] [stdout] 638dac3e212419a72d0620d0fa9d6a4a36582fb49d4fd767b98e6496c014ad24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9775cd7f9201ee3e3e4a869616488ad5e3f4ffea5e60cab4b86a0932a2648c9
[INFO] running `Command { std: "docker" "start" "-a" "f9775cd7f9201ee3e3e4a869616488ad5e3f4ffea5e60cab4b86a0932a2648c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking base64 v0.13.0
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking ansi_term v0.11.0
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[INFO] [stderr]     Checking vec_map v0.8.2
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[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking urlencoding v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking getopts v0.2.21
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[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]     Checking http v0.2.4
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[INFO] [stderr]     Checking thread_local v1.1.3
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[INFO] [stderr]     Checking tendril v0.4.2
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[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.37
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[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling libquickjs-sys v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking headers-core v0.2.0
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[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.2.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling maud_macros v0.22.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking maud v0.22.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking lazy-regex v2.2.1
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.130/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=d853d5c5929b265e -C extra-filename=-d853d5c5929b265e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc6b92fa46147edf.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e1e335b8b96ed529.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c648140321aa0de8.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts --cfg ptr_addr_of` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9775cd7f9201ee3e3e4a869616488ad5e3f4ffea5e60cab4b86a0932a2648c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9775cd7f9201ee3e3e4a869616488ad5e3f4ffea5e60cab4b86a0932a2648c9", kill_on_drop: false }`
[INFO] [stdout] f9775cd7f9201ee3e3e4a869616488ad5e3f4ffea5e60cab4b86a0932a2648c9