[INFO] cloning repository https://github.com/rylynchen/rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rylynchen/rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frylynchen%2Frust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frylynchen%2Frust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a25facbe2ad273e24f98cd9c66aa8af705995996
[INFO] documenting rylynchen/rust-example against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frylynchen%2Frust-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rylynchen/rust-example on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rylynchen/rust-example
[INFO] finished tweaking git repo https://github.com/rylynchen/rust-example
[INFO] tweaked toml for git repo https://github.com/rylynchen/rust-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rylynchen/rust-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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 tracing v0.1.19
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded tracing-core v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df79399d16b7487c2bce6983cbfac118c8b8b0b89fe0ee0379082434bc6f9e43
[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" "df79399d16b7487c2bce6983cbfac118c8b8b0b89fe0ee0379082434bc6f9e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df79399d16b7487c2bce6983cbfac118c8b8b0b89fe0ee0379082434bc6f9e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df79399d16b7487c2bce6983cbfac118c8b8b0b89fe0ee0379082434bc6f9e43", kill_on_drop: false }`
[INFO] [stdout] df79399d16b7487c2bce6983cbfac118c8b8b0b89fe0ee0379082434bc6f9e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "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] 84ebe78579531c8f9eff85dcf6a8ef61be057929bab2569105a8aafcde38a4d6
[INFO] running `Command { std: "docker" "start" "-a" "84ebe78579531c8f9eff85dcf6a8ef61be057929bab2569105a8aafcde38a4d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `example`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name hofs src/bin/hofs.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-a691d7ffc935d050.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a4f4eb417dcc790a.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-071d4cf07bab5e55.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-63ce29edd040952c.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a1376bdf7266de1c.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" "84ebe78579531c8f9eff85dcf6a8ef61be057929bab2569105a8aafcde38a4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ebe78579531c8f9eff85dcf6a8ef61be057929bab2569105a8aafcde38a4d6", kill_on_drop: false }`
[INFO] [stdout] 84ebe78579531c8f9eff85dcf6a8ef61be057929bab2569105a8aafcde38a4d6
