[INFO] fetching crate rbw 0.4.6...
[INFO] documenting rbw-0.4.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rbw 0.4.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rbw 0.4.6 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 rbw 0.4.6
[INFO] finished tweaking crates.io crate rbw 0.4.6
[INFO] tweaked toml for crates.io crate rbw 0.4.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rbw 0.4.6 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]  Downloading crates ...
[INFO] [stderr]   Downloaded chbs v0.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2cdb9afca404d89748530d614b874fbe980596944a7810cf9e57d28472908e3f
[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" "2cdb9afca404d89748530d614b874fbe980596944a7810cf9e57d28472908e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cdb9afca404d89748530d614b874fbe980596944a7810cf9e57d28472908e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdb9afca404d89748530d614b874fbe980596944a7810cf9e57d28472908e3f", kill_on_drop: false }`
[INFO] [stdout] 2cdb9afca404d89748530d614b874fbe980596944a7810cf9e57d28472908e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1d46d5626406604ba15b040e41b8cb85610e494c2e9ffc76caab039f567bbc48
[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" "1d46d5626406604ba15b040e41b8cb85610e494c2e9ffc76caab039f567bbc48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking block-modes v0.4.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking chbs v0.0.10
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking rbw v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rbw v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "1d46d5626406604ba15b040e41b8cb85610e494c2e9ffc76caab039f567bbc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d46d5626406604ba15b040e41b8cb85610e494c2e9ffc76caab039f567bbc48", kill_on_drop: false }`
[INFO] [stdout] 1d46d5626406604ba15b040e41b8cb85610e494c2e9ffc76caab039f567bbc48