[INFO] fetching crate echor 1.0.0...
[INFO] documenting echor-1.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate echor 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate echor 1.0.0 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 echor 1.0.0
[INFO] finished tweaking crates.io crate echor 1.0.0
[INFO] tweaked toml for crates.io crate echor 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate echor 1.0.0 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] 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] 525aa67b1b87093e8a47fdb89fb90c3a18835d2c0ae8727301578d1f40beda80
[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" "525aa67b1b87093e8a47fdb89fb90c3a18835d2c0ae8727301578d1f40beda80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "525aa67b1b87093e8a47fdb89fb90c3a18835d2c0ae8727301578d1f40beda80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525aa67b1b87093e8a47fdb89fb90c3a18835d2c0ae8727301578d1f40beda80", kill_on_drop: false }`
[INFO] [stdout] 525aa67b1b87093e8a47fdb89fb90c3a18835d2c0ae8727301578d1f40beda80
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c53d9c481f92bd90f2ffba2403e29ad62f9f3ce2425af881b31043cf89ab5075
[INFO] running `Command { std: "docker" "start" "-a" "c53d9c481f92bd90f2ffba2403e29ad62f9f3ce2425af881b31043cf89ab5075", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]  Documenting echor v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "c53d9c481f92bd90f2ffba2403e29ad62f9f3ce2425af881b31043cf89ab5075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53d9c481f92bd90f2ffba2403e29ad62f9f3ce2425af881b31043cf89ab5075", kill_on_drop: false }`
[INFO] [stdout] c53d9c481f92bd90f2ffba2403e29ad62f9f3ce2425af881b31043cf89ab5075