[INFO] fetching crate canrun 0.2.0...
[INFO] documenting canrun-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate canrun 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate canrun 0.2.0 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 canrun 0.2.0
[INFO] finished tweaking crates.io crate canrun 0.2.0
[INFO] tweaked toml for crates.io crate canrun 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5d882c8af4e359ea9344c839b8d5c87ebe89fa6e427fc1616af5b4603a9329e7
[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" "5d882c8af4e359ea9344c839b8d5c87ebe89fa6e427fc1616af5b4603a9329e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d882c8af4e359ea9344c839b8d5c87ebe89fa6e427fc1616af5b4603a9329e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d882c8af4e359ea9344c839b8d5c87ebe89fa6e427fc1616af5b4603a9329e7", kill_on_drop: false }`
[INFO] [stdout] 5d882c8af4e359ea9344c839b8d5c87ebe89fa6e427fc1616af5b4603a9329e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f19b391e150d4709b100e33d25d1d36465f2436129a01e16ce8d4d4351a8d0b1
[INFO] running `Command { std: "docker" "start" "-a" "f19b391e150d4709b100e33d25d1d36465f2436129a01e16ce8d4d4351a8d0b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling canrun_codegen v0.1.0
[INFO] [stderr]  Documenting canrun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.50s
[INFO] running `Command { std: "docker" "inspect" "f19b391e150d4709b100e33d25d1d36465f2436129a01e16ce8d4d4351a8d0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19b391e150d4709b100e33d25d1d36465f2436129a01e16ce8d4d4351a8d0b1", kill_on_drop: false }`
[INFO] [stdout] f19b391e150d4709b100e33d25d1d36465f2436129a01e16ce8d4d4351a8d0b1