[INFO] fetching crate serial-unit-testing 0.2.4...
[INFO] documenting serial-unit-testing-0.2.4 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate serial-unit-testing 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serial-unit-testing 0.2.4 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 serial-unit-testing 0.2.4
[INFO] finished tweaking crates.io crate serial-unit-testing 0.2.4
[INFO] tweaked toml for crates.io crate serial-unit-testing 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate serial-unit-testing 0.2.4 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] 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" "+1.46.0" "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] cfc6b7fb00e21c11a8ee634d7ae40b5a8056c3f66d6eddf51953093591d6a8c1
[INFO] running `Command { std: "docker" "start" "-a" "cfc6b7fb00e21c11a8ee634d7ae40b5a8056c3f66d6eddf51953093591d6a8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc6b7fb00e21c11a8ee634d7ae40b5a8056c3f66d6eddf51953093591d6a8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc6b7fb00e21c11a8ee634d7ae40b5a8056c3f66d6eddf51953093591d6a8c1", kill_on_drop: false }`
[INFO] [stdout] cfc6b7fb00e21c11a8ee634d7ae40b5a8056c3f66d6eddf51953093591d6a8c1
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5989e5a622bc489d73953e79734d1a17c15ea9f09aa98c8bb3329da5d77691
[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" "3e5989e5a622bc489d73953e79734d1a17c15ea9f09aa98c8bb3329da5d77691", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling libudev-sys 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 atty v0.2.13
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.5
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking serial-unit-testing v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting serial-unit-testing v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `Command { std: "docker" "inspect" "3e5989e5a622bc489d73953e79734d1a17c15ea9f09aa98c8bb3329da5d77691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5989e5a622bc489d73953e79734d1a17c15ea9f09aa98c8bb3329da5d77691", kill_on_drop: false }`
[INFO] [stdout] 3e5989e5a622bc489d73953e79734d1a17c15ea9f09aa98c8bb3329da5d77691