[INFO] fetching crate wasi-common-lucet 0.4.2...
[INFO] documenting wasi-common-lucet-0.4.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wasi-common-lucet 0.4.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wasi-common-lucet 0.4.2 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate wasi-common-lucet 0.4.2
[INFO] finished tweaking crates.io crate wasi-common-lucet 0.4.2
[INFO] tweaked toml for crates.io crate wasi-common-lucet 0.4.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 wig v0.8.0
[INFO] [stderr]   Downloaded wasi-common-cbindgen v0.8.0
[INFO] [stderr]   Downloaded winx v0.8.0
[INFO] [stderr]   Downloaded witx v0.5.0
[INFO] [stderr]   Downloaded wasi-common v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dae48dc71acdb89618b1a579a702b2ad6c827dbdc006515c49275ec96fe49275
[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" "dae48dc71acdb89618b1a579a702b2ad6c827dbdc006515c49275ec96fe49275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dae48dc71acdb89618b1a579a702b2ad6c827dbdc006515c49275ec96fe49275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae48dc71acdb89618b1a579a702b2ad6c827dbdc006515c49275ec96fe49275", kill_on_drop: false }`
[INFO] [stdout] dae48dc71acdb89618b1a579a702b2ad6c827dbdc006515c49275ec96fe49275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c5f9366bef974ad7a7135998d4314307b068317912329db767121315eec66171
[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" "c5f9366bef974ad7a7135998d4314307b068317912329db767121315eec66171", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lucet-runtime-internals v0.6.1
[INFO] [stderr]    Compiling lucet-runtime v0.6.1
[INFO] [stderr]    Compiling wast v3.0.4
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling num-derive v0.3.2
[INFO] [stderr]    Compiling lucet-runtime-macros v0.6.1
[INFO] [stderr]    Compiling wasi-common-cbindgen v0.8.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde-big-array v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking minisign v0.5.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling witx v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling wig v0.8.0
[INFO] [stderr]     Checking wasi-common v0.8.0
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking object v0.14.1
[INFO] [stderr]     Checking lucet-module v0.6.1
[INFO] [stderr]  Documenting wasi-common-lucet v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.45s
[INFO] running `Command { std: "docker" "inspect" "c5f9366bef974ad7a7135998d4314307b068317912329db767121315eec66171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f9366bef974ad7a7135998d4314307b068317912329db767121315eec66171", kill_on_drop: false }`
[INFO] [stdout] c5f9366bef974ad7a7135998d4314307b068317912329db767121315eec66171