[INFO] cloning repository https://github.com/genki/mztest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genki/mztest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenki%2Fmztest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenki%2Fmztest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7287a7e370e8e9280e8dde9768bd1032f1264f0
[INFO] documenting genki/mztest against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenki%2Fmztest" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/genki/mztest on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/genki/mztest
[INFO] finished tweaking git repo https://github.com/genki/mztest
[INFO] tweaked toml for git repo https://github.com/genki/mztest written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/genki/mztest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e60d0e664054c7baffe8f66413a9aa2ce65cab0a8adde768a27a6f0a7173159
[INFO] running `Command { std: "docker" "start" "-a" "7e60d0e664054c7baffe8f66413a9aa2ce65cab0a8adde768a27a6f0a7173159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e60d0e664054c7baffe8f66413a9aa2ce65cab0a8adde768a27a6f0a7173159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e60d0e664054c7baffe8f66413a9aa2ce65cab0a8adde768a27a6f0a7173159", kill_on_drop: false }`
[INFO] [stdout] 7e60d0e664054c7baffe8f66413a9aa2ce65cab0a8adde768a27a6f0a7173159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a64ed6937a5d1bdc56fafc307171e7ab1fb3ec85df22cbc056591218260b40e
[INFO] running `Command { std: "docker" "start" "-a" "2a64ed6937a5d1bdc56fafc307171e7ab1fb3ec85df22cbc056591218260b40e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking local-waker v0.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling firestorm v0.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking apply v0.3.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking askama_escape v0.10.2
[INFO] [stderr]     Checking http-range v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking rust-hsluv v0.1.4
[INFO] [stderr]     Checking send_wrapper v0.5.0
[INFO] [stderr]     Checking bool_ext v0.5.1
[INFO] [stderr]  Documenting shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling moon_entry_macros v0.1.0 (https://github.com/MoonZoon/MoonZoon?rev=15cb619faca5f78a47e08f4af4bfa595f0eb64b1#15cb619f)
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling actix-macros v0.2.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling hsluv_macro v0.1.0 (https://github.com/MoonZoon/MoonZoon?rev=15cb619faca5f78a47e08f4af4bfa595f0eb64b1#15cb619f)
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling static_ref_macro v0.1.0 (https://github.com/MoonZoon/MoonZoon?rev=15cb619faca5f78a47e08f4af4bfa595f0eb64b1#15cb619f)
[INFO] [stderr]    Compiling route_macro v0.1.0 (https://github.com/MoonZoon/MoonZoon?rev=15cb619faca5f78a47e08f4af4bfa595f0eb64b1#15cb619f)
[INFO] [stderr]    Compiling trait-set v0.2.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=22415773845c4aae -C extra-filename=-22415773845c4aae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a6f61508a3296ace.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2efd40e621c93118.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-09e70e8bcc039b17.rmeta --cap-lints allow --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-1.0.133/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=65ecc36a047a9c06 -C extra-filename=-65ecc36a047a9c06 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d43b9eeea9b4257f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-b90a404a5638d178.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-de2273d3bac15bb9.rlib --extern proc_macro --cap-lints allow --cfg underscore_consts --cfg ptr_addr_of` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2a64ed6937a5d1bdc56fafc307171e7ab1fb3ec85df22cbc056591218260b40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a64ed6937a5d1bdc56fafc307171e7ab1fb3ec85df22cbc056591218260b40e", kill_on_drop: false }`
[INFO] [stdout] 2a64ed6937a5d1bdc56fafc307171e7ab1fb3ec85df22cbc056591218260b40e