[INFO] cloning repository https://github.com/thedodd/trunk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thedodd/trunk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthedodd%2Ftrunk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthedodd%2Ftrunk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cbbe188043a7cd712ce3991a1eaf4862426aefd
[INFO] documenting thedodd/trunk against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthedodd%2Ftrunk" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thedodd/trunk on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thedodd/trunk
[INFO] finished tweaking git repo https://github.com/thedodd/trunk
[INFO] tweaked toml for git repo https://github.com/thedodd/trunk written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thedodd/trunk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 483afb5b8a08c9b50ee62dc7098201307fc230af603b6f36489127acf1b75de9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "483afb5b8a08c9b50ee62dc7098201307fc230af603b6f36489127acf1b75de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "483afb5b8a08c9b50ee62dc7098201307fc230af603b6f36489127acf1b75de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483afb5b8a08c9b50ee62dc7098201307fc230af603b6f36489127acf1b75de9", kill_on_drop: false }`
[INFO] [stdout] 483afb5b8a08c9b50ee62dc7098201307fc230af603b6f36489127acf1b75de9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8d28d3ce10d2df8f48ab21c8e020d8cbca20567333c8cf1714edfa1c2acecf5
[INFO] running `Command { std: "docker" "start" "-a" "c8d28d3ce10d2df8f48ab21c8e020d8cbca20567333c8cf1714edfa1c2acecf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking infer v0.1.7
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]     Checking seahash v4.0.1
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking futures-lite v1.0.0
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking polling v0.1.6
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking async-io v0.2.6
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking async-process v0.1.3
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[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-1.0.39/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=f244793087233c22 -C extra-filename=-f244793087233c22 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d3dc0cb999b3c41d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-75a4c566bf65e716.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-845c7fc62c4ec600.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c8d28d3ce10d2df8f48ab21c8e020d8cbca20567333c8cf1714edfa1c2acecf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d28d3ce10d2df8f48ab21c8e020d8cbca20567333c8cf1714edfa1c2acecf5", kill_on_drop: false }`
[INFO] [stdout] c8d28d3ce10d2df8f48ab21c8e020d8cbca20567333c8cf1714edfa1c2acecf5