[INFO] fetching crate project_init 3.1.23...
[INFO] documenting project_init-3.1.23 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate project_init 3.1.23 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate project_init 3.1.23 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-12/source/.cargo/config
[INFO] started tweaking crates.io crate project_init 3.1.23
[INFO] finished tweaking crates.io crate project_init 3.1.23
[INFO] tweaked toml for crates.io crate project_init 3.1.23 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate project_init 3.1.23 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 cli-setup v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 69f7f04bf363f56e36c9c4337897a69e8c28f16296a0cf102410c28aac46d9e9
[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" "69f7f04bf363f56e36c9c4337897a69e8c28f16296a0cf102410c28aac46d9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f7f04bf363f56e36c9c4337897a69e8c28f16296a0cf102410c28aac46d9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f7f04bf363f56e36c9c4337897a69e8c28f16296a0cf102410c28aac46d9e9", kill_on_drop: false }`
[INFO] [stdout] 69f7f04bf363f56e36c9c4337897a69e8c28f16296a0cf102410c28aac46d9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 61d2800c40aa69d5b57148128add5e2802c8f2166059489a698a3f1e9634376f
[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" "61d2800c40aa69d5b57148128add5e2802c8f2166059489a698a3f1e9634376f", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]     Checking text_io v0.1.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking toml v0.5.4
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking rustache-lists v0.1.2
[INFO] [stderr]    Compiling cli-setup v0.2.5
[INFO] [stderr]    Compiling project_init v3.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]  Documenting project_init v3.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.19s
[INFO] running `Command { std: "docker" "inspect" "61d2800c40aa69d5b57148128add5e2802c8f2166059489a698a3f1e9634376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d2800c40aa69d5b57148128add5e2802c8f2166059489a698a3f1e9634376f", kill_on_drop: false }`
[INFO] [stdout] 61d2800c40aa69d5b57148128add5e2802c8f2166059489a698a3f1e9634376f