[INFO] fetching crate kuon 0.0.8...
[INFO] documenting kuon-0.0.8 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate kuon 0.0.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kuon 0.0.8 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 kuon 0.0.8
[INFO] finished tweaking crates.io crate kuon 0.0.8
[INFO] tweaked toml for crates.io crate kuon 0.0.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate kuon 0.0.8 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 piper v0.1.3
[INFO] [stderr]   Downloaded smol v0.1.11
[INFO] [stderr]   Downloaded async-h1 v1.1.2
[INFO] [stderr]   Downloaded http-types v1.3.1
[INFO] [stderr]   Downloaded bastion-qutex v0.2.4
[INFO] [stderr]   Downloaded infer v0.1.6
[INFO] [stderr]   Downloaded omnom v2.1.2
[INFO] [stderr]   Downloaded wiremock v0.2.4
[INFO] [stderr]   Downloaded bastion-executor v0.3.4
[INFO] [stderr]   Downloaded byte-pool v0.2.1
[INFO] [stderr]   Downloaded bastion v0.3.4
[INFO] [stderr]   Downloaded lightproc v0.3.4
[INFO] [stderr]   Downloaded bastion-utils v0.3.2
[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] [stdout] 72277b5d573c526f92d450b0952a201c23f65304a1cb0432a73fb63aa850bf6d
[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" "72277b5d573c526f92d450b0952a201c23f65304a1cb0432a73fb63aa850bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72277b5d573c526f92d450b0952a201c23f65304a1cb0432a73fb63aa850bf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72277b5d573c526f92d450b0952a201c23f65304a1cb0432a73fb63aa850bf6d", kill_on_drop: false }`
[INFO] [stdout] 72277b5d573c526f92d450b0952a201c23f65304a1cb0432a73fb63aa850bf6d
[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] 71c204ea67a9efd907459a896dcdf97e5c8b137f3f7296de2a47712b1d2fae86
[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" "71c204ea67a9efd907459a896dcdf97e5c8b137f3f7296de2a47712b1d2fae86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking anyhow v1.0.32
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting kuon v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "71c204ea67a9efd907459a896dcdf97e5c8b137f3f7296de2a47712b1d2fae86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c204ea67a9efd907459a896dcdf97e5c8b137f3f7296de2a47712b1d2fae86", kill_on_drop: false }`
[INFO] [stdout] 71c204ea67a9efd907459a896dcdf97e5c8b137f3f7296de2a47712b1d2fae86