[INFO] fetching crate strife 0.3.0...
[INFO] documenting strife-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate strife 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate strife 0.3.0 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 strife 0.3.0
[INFO] finished tweaking crates.io crate strife 0.3.0
[INFO] tweaked toml for crates.io crate strife 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate strife 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 10aef6de7e9e3b7f8ee15407d88898d509f820729d934214dd8a44d6702acef4
[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" "10aef6de7e9e3b7f8ee15407d88898d509f820729d934214dd8a44d6702acef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10aef6de7e9e3b7f8ee15407d88898d509f820729d934214dd8a44d6702acef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10aef6de7e9e3b7f8ee15407d88898d509f820729d934214dd8a44d6702acef4", kill_on_drop: false }`
[INFO] [stdout] 10aef6de7e9e3b7f8ee15407d88898d509f820729d934214dd8a44d6702acef4
[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] [stdout] 0c3897dadb9aa7c54b536076296cb4e289348c7505ef4f9d0a39e6c9f9a03325
[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" "0c3897dadb9aa7c54b536076296cb4e289348c7505ef4f9d0a39e6c9f9a03325", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling remain v0.2.0
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling int-enum-impl v0.3.0
[INFO] [stderr]     Checking int-enum v0.3.0
[INFO] [stderr]  Documenting strife v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.32s
[INFO] running `Command { std: "docker" "inspect" "0c3897dadb9aa7c54b536076296cb4e289348c7505ef4f9d0a39e6c9f9a03325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3897dadb9aa7c54b536076296cb4e289348c7505ef4f9d0a39e6c9f9a03325", kill_on_drop: false }`
[INFO] [stdout] 0c3897dadb9aa7c54b536076296cb4e289348c7505ef4f9d0a39e6c9f9a03325