[INFO] fetching crate homebins 0.0.5...
[INFO] documenting homebins-0.0.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate homebins 0.0.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate homebins 0.0.5 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 homebins 0.0.5
[INFO] finished tweaking crates.io crate homebins 0.0.5
[INFO] tweaked toml for crates.io crate homebins 0.0.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate homebins 0.0.5 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 block-buffer v0.8.0
[INFO] [stderr]   Downloaded ctor v0.1.14
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded sha-1 v0.9.0
[INFO] [stderr]   Downloaded sha2 v0.9.0
[INFO] [stderr]   Downloaded spdx v0.3.4
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded versions v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 75a407e0de49a3c0e7131f32be0fed2765bbe0b1c2ccb02221de7882733a1871
[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" "75a407e0de49a3c0e7131f32be0fed2765bbe0b1c2ccb02221de7882733a1871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a407e0de49a3c0e7131f32be0fed2765bbe0b1c2ccb02221de7882733a1871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a407e0de49a3c0e7131f32be0fed2765bbe0b1c2ccb02221de7882733a1871", kill_on_drop: false }`
[INFO] [stdout] 75a407e0de49a3c0e7131f32be0fed2765bbe0b1c2ccb02221de7882733a1871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b57792c4c80dfdb7bd93eb249ceb2daeae4589e16e296a5a1aba8e34fc7650db
[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" "b57792c4c80dfdb7bd93eb249ceb2daeae4589e16e296a5a1aba8e34fc7650db", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking spdx v0.3.4
[INFO] [stderr]     Checking versions v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]  Documenting homebins v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "b57792c4c80dfdb7bd93eb249ceb2daeae4589e16e296a5a1aba8e34fc7650db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57792c4c80dfdb7bd93eb249ceb2daeae4589e16e296a5a1aba8e34fc7650db", kill_on_drop: false }`
[INFO] [stdout] b57792c4c80dfdb7bd93eb249ceb2daeae4589e16e296a5a1aba8e34fc7650db