[INFO] cloning repository https://github.com/benbrandt/d20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benbrandt/d20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrandt%2Fd20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrandt%2Fd20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09068665f596738aa4a45c47916eb80393214e60
[INFO] documenting benbrandt/d20 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrandt%2Fd20" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benbrandt/d20 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benbrandt/d20
[INFO] finished tweaking git repo https://github.com/benbrandt/d20
[INFO] tweaked toml for git repo https://github.com/benbrandt/d20 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/benbrandt/d20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-h1 v2.1.2
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded polyval v0.4.0
[INFO] [stderr]   Downloaded r2d2_redis v0.13.0
[INFO] [stderr]   Downloaded aes v0.4.0
[INFO] [stderr]   Downloaded aesni v0.7.0
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded ipnetwork v0.16.0
[INFO] [stderr]   Downloaded sentry-types v0.14.1
[INFO] [stderr]   Downloaded tracing v0.1.20
[INFO] [stderr]   Downloaded sentry v0.18.1
[INFO] [stderr]   Downloaded aes-gcm v0.6.0
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded byte-pool v0.2.2
[INFO] [stderr]   Downloaded hkdf v0.9.0
[INFO] [stderr]   Downloaded ghash v0.3.0
[INFO] [stderr]   Downloaded http-types v2.4.0
[INFO] [stderr]   Downloaded hmac v0.8.1
[INFO] [stderr]   Downloaded aes-soft v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1df1373802ea659d6d544f1e0280e9d98d3e3038ce7df4d8b7b2911731a1bfd7
[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" "1df1373802ea659d6d544f1e0280e9d98d3e3038ce7df4d8b7b2911731a1bfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1df1373802ea659d6d544f1e0280e9d98d3e3038ce7df4d8b7b2911731a1bfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df1373802ea659d6d544f1e0280e9d98d3e3038ce7df4d8b7b2911731a1bfd7", kill_on_drop: false }`
[INFO] [stdout] 1df1373802ea659d6d544f1e0280e9d98d3e3038ce7df4d8b7b2911731a1bfd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 001bad5429a20a25804980ae757b0c2814a80d0064321e58cd4646f51fb70085
[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" "001bad5429a20a25804980ae757b0c2814a80d0064321e58cd4646f51fb70085", kill_on_drop: false }`
[INFO] [stderr]     Checking infer v0.1.7
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]     Checking tracing v0.1.20
[INFO] [stderr]     Checking logtest v2.0.0
[INFO] [stderr]     Checking polling v0.1.8
[INFO] [stderr]    Compiling sentry v0.18.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_qs v0.6.1
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking sentry-types v0.14.1
[INFO] [stderr]     Checking jsonwebtoken v7.2.0
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking redis v0.15.1
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking r2d2_redis v0.13.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking http-types v2.4.0
[INFO] [stderr]     Checking async-h1 v2.1.2
[INFO] [stderr]     Checking async-sse v4.0.0
[INFO] [stderr]     Checking tide v0.12.0
[INFO] [stderr]     Checking d20 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting d20 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `d20`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name d20 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-f8e86fd8513971ce.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-6ab53dd1587a43b1.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-4c3f3a002c7e0d2b.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-ea65719f88f1c8b4.rmeta --extern jsonwebtoken=/opt/rustwide/target/debug/deps/libjsonwebtoken-ef22717299ac92ea.rmeta --extern r2d2=/opt/rustwide/target/debug/deps/libr2d2-be5da09437635e51.rmeta --extern r2d2_redis=/opt/rustwide/target/debug/deps/libr2d2_redis-de8d001caa0381bb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-11946bb198eefaee.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-34840f14bb6a5989.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern sentry=/opt/rustwide/target/debug/deps/libsentry-649ca46227cd1564.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e005d24e326dc7d6.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-bd5c99f63ed9365b.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-37c22d9f536ed1be.rmeta --extern tide=/opt/rustwide/target/debug/deps/libtide-cae78a9bfc182d2e.rmeta --cap-lints=warn --crate-version 0.1.0` (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" "001bad5429a20a25804980ae757b0c2814a80d0064321e58cd4646f51fb70085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001bad5429a20a25804980ae757b0c2814a80d0064321e58cd4646f51fb70085", kill_on_drop: false }`
[INFO] [stdout] 001bad5429a20a25804980ae757b0c2814a80d0064321e58cd4646f51fb70085