[INFO] fetching crate smtpbis 0.1.5...
[INFO] documenting smtpbis-0.1.5 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate smtpbis 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate smtpbis 0.1.5 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smtpbis 0.1.5
[INFO] finished tweaking crates.io crate smtpbis 0.1.5
[INFO] tweaked toml for crates.io crate smtpbis 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate smtpbis 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyknife v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6dab2c7cbd01d9d4bb3e40828dd6b48b9688ffdc291f41ef7bddc41f8015018
[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" "d6dab2c7cbd01d9d4bb3e40828dd6b48b9688ffdc291f41ef7bddc41f8015018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6dab2c7cbd01d9d4bb3e40828dd6b48b9688ffdc291f41ef7bddc41f8015018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6dab2c7cbd01d9d4bb3e40828dd6b48b9688ffdc291f41ef7bddc41f8015018", kill_on_drop: false }`
[INFO] [stdout] d6dab2c7cbd01d9d4bb3e40828dd6b48b9688ffdc291f41ef7bddc41f8015018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb9812cf2367afb2ac172a190d9122e800d1b019d03ccd8a64d4c08d27c01513
[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" "bb9812cf2367afb2ac172a190d9122e800d1b019d03ccd8a64d4c08d27c01513", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rustyknife v0.2.8
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking rustls v0.18.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smtpbis v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting smtpbis v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.89s
[INFO] running `Command { std: "docker" "inspect" "bb9812cf2367afb2ac172a190d9122e800d1b019d03ccd8a64d4c08d27c01513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9812cf2367afb2ac172a190d9122e800d1b019d03ccd8a64d4c08d27c01513", kill_on_drop: false }`
[INFO] [stdout] bb9812cf2367afb2ac172a190d9122e800d1b019d03ccd8a64d4c08d27c01513
