[INFO] fetching crate mchprs 0.3.0...
[INFO] documenting mchprs-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate mchprs 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mchprs 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 mchprs 0.3.0
[INFO] finished tweaking crates.io crate mchprs 0.3.0
[INFO] tweaked toml for crates.io crate mchprs 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mchprs 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] 26a09cb20e20717808f443ea9a6f95d7927c313e83cad832313084f676686a24
[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" "26a09cb20e20717808f443ea9a6f95d7927c313e83cad832313084f676686a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26a09cb20e20717808f443ea9a6f95d7927c313e83cad832313084f676686a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a09cb20e20717808f443ea9a6f95d7927c313e83cad832313084f676686a24", kill_on_drop: false }`
[INFO] [stdout] 26a09cb20e20717808f443ea9a6f95d7927c313e83cad832313084f676686a24
[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] df4411f21a98e7345178c61c6997c4c9b186c06ec99a915e59f8a6376cdb26f9
[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" "df4411f21a98e7345178c61c6997c4c9b186c06ec99a915e59f8a6376cdb26f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bus v2.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hematite-nbt v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]  Documenting mchprs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.54s
[INFO] running `Command { std: "docker" "inspect" "df4411f21a98e7345178c61c6997c4c9b186c06ec99a915e59f8a6376cdb26f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4411f21a98e7345178c61c6997c4c9b186c06ec99a915e59f8a6376cdb26f9", kill_on_drop: false }`
[INFO] [stdout] df4411f21a98e7345178c61c6997c4c9b186c06ec99a915e59f8a6376cdb26f9