[INFO] fetching crate handlr 0.4.5...
[INFO] documenting handlr-0.4.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate handlr 0.4.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate handlr 0.4.5 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 handlr 0.4.5
[INFO] finished tweaking crates.io crate handlr 0.4.5
[INFO] tweaked toml for crates.io crate handlr 0.4.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate handlr 0.4.5 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 confy v0.4.0
[INFO] [stderr]   Downloaded mime-db v0.1.5
[INFO] [stderr]   Downloaded freedesktop_entry_parser v0.2.2
[INFO] [stderr]   Downloaded xdg-mime v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f9454704bab4b4e3b74d9440de5ae1b1f35dee49e2faf0d4ff3ffa028818b419
[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" "f9454704bab4b4e3b74d9440de5ae1b1f35dee49e2faf0d4ff3ffa028818b419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9454704bab4b4e3b74d9440de5ae1b1f35dee49e2faf0d4ff3ffa028818b419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9454704bab4b4e3b74d9440de5ae1b1f35dee49e2faf0d4ff3ffa028818b419", kill_on_drop: false }`
[INFO] [stdout] f9454704bab4b4e3b74d9440de5ae1b1f35dee49e2faf0d4ff3ffa028818b419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 556304d8fc7490e47be5b2badf9599440b1c3c6f5cdfd76050199eea50e87106
[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" "556304d8fc7490e47be5b2badf9599440b1c3c6f5cdfd76050199eea50e87106", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking mime-db v0.1.5
[INFO] [stderr]     Checking ascii_table v3.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking freedesktop_entry_parser v0.2.2
[INFO] [stderr]     Checking xdg-mime v0.3.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]  Documenting handlr v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.80s
[INFO] running `Command { std: "docker" "inspect" "556304d8fc7490e47be5b2badf9599440b1c3c6f5cdfd76050199eea50e87106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556304d8fc7490e47be5b2badf9599440b1c3c6f5cdfd76050199eea50e87106", kill_on_drop: false }`
[INFO] [stdout] 556304d8fc7490e47be5b2badf9599440b1c3c6f5cdfd76050199eea50e87106