[INFO] fetching crate fastmod 0.4.0...
[INFO] documenting fastmod-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fastmod 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fastmod 0.4.0 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 fastmod 0.4.0
[INFO] finished tweaking crates.io crate fastmod 0.4.0
[INFO] tweaked toml for crates.io crate fastmod 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate fastmod 0.4.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grep-searcher v0.1.7
[INFO] [stderr]   Downloaded grep-matcher v0.1.4
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded grep-regex v0.1.7
[INFO] [stderr]   Downloaded grep v0.2.5
[INFO] [stderr]   Downloaded grep-printer v0.1.4
[INFO] [stderr]   Downloaded crossterm v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] afe3ea7a9333e11e43333da6b253cdb37e4b2314d6b998e5f113ae3fb9360037
[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" "afe3ea7a9333e11e43333da6b253cdb37e4b2314d6b998e5f113ae3fb9360037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afe3ea7a9333e11e43333da6b253cdb37e4b2314d6b998e5f113ae3fb9360037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe3ea7a9333e11e43333da6b253cdb37e4b2314d6b998e5f113ae3fb9360037", kill_on_drop: false }`
[INFO] [stdout] afe3ea7a9333e11e43333da6b253cdb37e4b2314d6b998e5f113ae3fb9360037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1d466f10fe48b8c2ba3d1a3844e5538f48c9fd4bc09492cfad1c64a66908a6bc
[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" "1d466f10fe48b8c2ba3d1a3844e5538f48c9fd4bc09492cfad1c64a66908a6bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-regex v0.1.7
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.17.1
[INFO] [stderr]     Checking grep-cli v0.1.4
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking grep-printer v0.1.4
[INFO] [stderr]     Checking grep v0.2.5
[INFO] [stderr]  Documenting fastmod v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.31s
[INFO] running `Command { std: "docker" "inspect" "1d466f10fe48b8c2ba3d1a3844e5538f48c9fd4bc09492cfad1c64a66908a6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d466f10fe48b8c2ba3d1a3844e5538f48c9fd4bc09492cfad1c64a66908a6bc", kill_on_drop: false }`
[INFO] [stdout] 1d466f10fe48b8c2ba3d1a3844e5538f48c9fd4bc09492cfad1c64a66908a6bc