[INFO] fetching crate toothpaste 0.3.4...
[INFO] documenting toothpaste-0.3.4 against 1.97.0-beta.6 for beta-rustdoc-1.98-1
[INFO] extracting crate toothpaste 0.3.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate toothpaste 0.3.4
[INFO] finished tweaking crates.io crate toothpaste 0.3.4
[INFO] tweaked toml for crates.io crate toothpaste 0.3.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate toothpaste 0.3.4 on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate toothpaste 0.3.4 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a
[INFO] running `Command { std: "docker" "start" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.74
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]     Checking der v0.4.5
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[INFO] [stderr]    Compiling pest_meta v2.1.3
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[INFO] [stderr]    Compiling libsqlite3-sys v0.23.2
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]     Checking aho-corasick v0.7.18
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[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]     Checking crc-catalog v1.1.1
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
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[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking webpki-roots v0.21.1
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[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clru v0.5.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pkcs1 v0.2.4
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.97.0-beta.6-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.85/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=c2b5b5b0ccb86784 -C extra-filename=-addb1548ec5c3dfa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-83b6023ac9f6b70d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f318fb2a92c9f996.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-421a8ca4896479bd.rmeta --cap-lints allow --cap-lints=warn --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" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a", kill_on_drop: false }`
[INFO] [stdout] 31220d4d0b7a8f655017fae32d80d741828d0d769da6b073cc8f51376d59d86a
