[INFO] fetching crate valico 3.4.0...
[INFO] documenting valico-3.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate valico 3.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate valico 3.4.0 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 crates.io crate valico 3.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate valico 3.4.0
[INFO] tweaked toml for crates.io crate valico 3.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate valico 3.4.0 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] 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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a4f0e29eed36267948508e15ce5adced72454ace13d2e00c6be3e664f77b09b
[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" "8a4f0e29eed36267948508e15ce5adced72454ace13d2e00c6be3e664f77b09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a4f0e29eed36267948508e15ce5adced72454ace13d2e00c6be3e664f77b09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4f0e29eed36267948508e15ce5adced72454ace13d2e00c6be3e664f77b09b", kill_on_drop: false }`
[INFO] [stdout] 8a4f0e29eed36267948508e15ce5adced72454ace13d2e00c6be3e664f77b09b
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c8c90b860effd18f5b0a9ad8318ac17be74a52d722b9fd5fa1e25071b2409e
[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" "23c8c90b860effd18f5b0a9ad8318ac17be74a52d722b9fd5fa1e25071b2409e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling valico v3.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.36
[INFO] [stderr]     Checking jsonway v2.0.0
[INFO] [stderr]  Documenting valico v3.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.58s
[INFO] running `Command { std: "docker" "inspect" "23c8c90b860effd18f5b0a9ad8318ac17be74a52d722b9fd5fa1e25071b2409e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c8c90b860effd18f5b0a9ad8318ac17be74a52d722b9fd5fa1e25071b2409e", kill_on_drop: false }`
[INFO] [stdout] 23c8c90b860effd18f5b0a9ad8318ac17be74a52d722b9fd5fa1e25071b2409e