[INFO] fetching crate digest-tool 0.1.2...
[INFO] documenting digest-tool-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate digest-tool 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate digest-tool 0.1.2 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 digest-tool 0.1.2
[INFO] finished tweaking crates.io crate digest-tool 0.1.2
[INFO] tweaked toml for crates.io crate digest-tool 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate digest-tool 0.1.2 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 rust_util v0.1.0
[INFO] [stderr]   Downloaded libsm v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca22c7a7c26e056068a1c216be472426c9ffe110a854789acf3a8ccd4c059055
[INFO] running `Command { std: "docker" "start" "-a" "ca22c7a7c26e056068a1c216be472426c9ffe110a854789acf3a8ccd4c059055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca22c7a7c26e056068a1c216be472426c9ffe110a854789acf3a8ccd4c059055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca22c7a7c26e056068a1c216be472426c9ffe110a854789acf3a8ccd4c059055", kill_on_drop: false }`
[INFO] [stdout] ca22c7a7c26e056068a1c216be472426c9ffe110a854789acf3a8ccd4c059055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e0f3f0362ce1df191613da9332f4e8b5f162ddfe25cac85993589f28160122f1
[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" "e0f3f0362ce1df191613da9332f4e8b5f162ddfe25cac85993589f28160122f1", kill_on_drop: false }`
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling digest-tool v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking rust_util v0.1.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking libsm v0.3.0
[INFO] [stderr]  Documenting digest-tool v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "e0f3f0362ce1df191613da9332f4e8b5f162ddfe25cac85993589f28160122f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f3f0362ce1df191613da9332f4e8b5f162ddfe25cac85993589f28160122f1", kill_on_drop: false }`
[INFO] [stdout] e0f3f0362ce1df191613da9332f4e8b5f162ddfe25cac85993589f28160122f1