[INFO] fetching crate memedsn 0.1.0...
[INFO] documenting memedsn-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate memedsn 0.1.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate memedsn 0.1.0 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 crates.io crate memedsn 0.1.0
[INFO] finished tweaking crates.io crate memedsn 0.1.0
[INFO] tweaked toml for crates.io crate memedsn 0.1.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 6739f683a058060986388e2306abbb7f6529d2e5280e517bcc9f5a7afc2c3282
[INFO] running `Command { std: "docker" "start" "-a" "6739f683a058060986388e2306abbb7f6529d2e5280e517bcc9f5a7afc2c3282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6739f683a058060986388e2306abbb7f6529d2e5280e517bcc9f5a7afc2c3282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6739f683a058060986388e2306abbb7f6529d2e5280e517bcc9f5a7afc2c3282", kill_on_drop: false }`
[INFO] [stdout] 6739f683a058060986388e2306abbb7f6529d2e5280e517bcc9f5a7afc2c3282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] cbefd8ce4880d2439a2e8e7ad1e1564e9ceec17cc719acf8c116ed772a911677
[INFO] running `Command { std: "docker" "start" "-a" "cbefd8ce4880d2439a2e8e7ad1e1564e9ceec17cc719acf8c116ed772a911677", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking rust-dense-bitset v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking auto_ops v0.3.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking earcutr v0.2.0
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.95/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=a2c6fe7ce08ee159 -C extra-filename=-a2c6fe7ce08ee159 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1bb57c26f0f199db.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4a9d0e21aafad85f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-87c08c9b2ef62a6d.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cbefd8ce4880d2439a2e8e7ad1e1564e9ceec17cc719acf8c116ed772a911677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbefd8ce4880d2439a2e8e7ad1e1564e9ceec17cc719acf8c116ed772a911677", kill_on_drop: false }`
[INFO] [stdout] cbefd8ce4880d2439a2e8e7ad1e1564e9ceec17cc719acf8c116ed772a911677