[INFO] fetching crate cargo-cvm 0.5.8...
[INFO] documenting cargo-cvm-0.5.8 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-cvm 0.5.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cargo-cvm 0.5.8 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-cvm 0.5.8
[INFO] finished tweaking crates.io crate cargo-cvm 0.5.8
[INFO] tweaked toml for crates.io crate cargo-cvm 0.5.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cargo-cvm 0.5.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a7c08864bd8b480a17063fdf171f2eab85498921aaafb9b4d93e51bacd328ad
[INFO] running `Command { std: "docker" "start" "-a" "9a7c08864bd8b480a17063fdf171f2eab85498921aaafb9b4d93e51bacd328ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a7c08864bd8b480a17063fdf171f2eab85498921aaafb9b4d93e51bacd328ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7c08864bd8b480a17063fdf171f2eab85498921aaafb9b4d93e51bacd328ad", kill_on_drop: false }`
[INFO] [stdout] 9a7c08864bd8b480a17063fdf171f2eab85498921aaafb9b4d93e51bacd328ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ce5423e4432423e7e8368d703927fbf24c9657c9d2f3e6d14fc3c25e62af8e
[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" "09ce5423e4432423e7e8368d703927fbf24c9657c9d2f3e6d14fc3c25e62af8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking git2 v0.13.8
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo_toml v0.8.1
[INFO] [stderr]  Documenting cargo-cvm v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "09ce5423e4432423e7e8368d703927fbf24c9657c9d2f3e6d14fc3c25e62af8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ce5423e4432423e7e8368d703927fbf24c9657c9d2f3e6d14fc3c25e62af8e", kill_on_drop: false }`
[INFO] [stdout] 09ce5423e4432423e7e8368d703927fbf24c9657c9d2f3e6d14fc3c25e62af8e