[INFO] fetching crate sapper_logger 0.2.0...
[INFO] documenting sapper_logger-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sapper_logger 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sapper_logger 0.2.0 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 sapper_logger 0.2.0
[INFO] finished tweaking crates.io crate sapper_logger 0.2.0
[INFO] tweaked toml for crates.io crate sapper_logger 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fb5ca69d03a1efd48ca232d26abd41aa95501489572dba3b65b38ccf0e63c0e6
[INFO] running `Command { std: "docker" "start" "-a" "fb5ca69d03a1efd48ca232d26abd41aa95501489572dba3b65b38ccf0e63c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5ca69d03a1efd48ca232d26abd41aa95501489572dba3b65b38ccf0e63c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5ca69d03a1efd48ca232d26abd41aa95501489572dba3b65b38ccf0e63c0e6", kill_on_drop: false }`
[INFO] [stdout] fb5ca69d03a1efd48ca232d26abd41aa95501489572dba3b65b38ccf0e63c0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfc46a9d0dca96a394a5623361184f7a890f563ab9d6eade2c7dc1887bbb9f8d
[INFO] running `Command { std: "docker" "start" "-a" "cfc46a9d0dca96a394a5623361184f7a890f563ab9d6eade2c7dc1887bbb9f8d", kill_on_drop: false }`
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking sapper v0.2.0
[INFO] [stderr]  Documenting sapper_logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `Command { std: "docker" "inspect" "cfc46a9d0dca96a394a5623361184f7a890f563ab9d6eade2c7dc1887bbb9f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc46a9d0dca96a394a5623361184f7a890f563ab9d6eade2c7dc1887bbb9f8d", kill_on_drop: false }`
[INFO] [stdout] cfc46a9d0dca96a394a5623361184f7a890f563ab9d6eade2c7dc1887bbb9f8d