[INFO] cloning repository https://github.com/sei40kr/hello-tide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sei40kr/hello-tide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsei40kr%2Fhello-tide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsei40kr%2Fhello-tide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e063f639c41c5ed8b6541edd570b5f0c9ec73b6
[INFO] documenting sei40kr/hello-tide against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsei40kr%2Fhello-tide" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sei40kr/hello-tide 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 git repo https://github.com/sei40kr/hello-tide
[INFO] finished tweaking git repo https://github.com/sei40kr/hello-tide
[INFO] tweaked toml for git repo https://github.com/sei40kr/hello-tide written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sei40kr/hello-tide 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 625ec0ed5fd884c9e0dab28fce1c6709ad370f8f45af98fdb9259cbe897080ea
[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" "625ec0ed5fd884c9e0dab28fce1c6709ad370f8f45af98fdb9259cbe897080ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "625ec0ed5fd884c9e0dab28fce1c6709ad370f8f45af98fdb9259cbe897080ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625ec0ed5fd884c9e0dab28fce1c6709ad370f8f45af98fdb9259cbe897080ea", kill_on_drop: false }`
[INFO] [stdout] 625ec0ed5fd884c9e0dab28fce1c6709ad370f8f45af98fdb9259cbe897080ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 042d5ef0c3590f2020360d84933ddfbb6b1a2594f6901f6b3437d33889076cb5
[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" "042d5ef0c3590f2020360d84933ddfbb6b1a2594f6901f6b3437d33889076cb5", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking async-task v1.3.0
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking serde_qs v0.5.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking http-service v0.4.0
[INFO] [stderr]     Checking http-service-hyper v0.4.1
[INFO] [stderr]     Checking tide v0.5.1
[INFO] [stderr]  Documenting hello-tide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | / extension_trait! {
[INFO] [stdout] 22  | |     use std::pin::Pin;
[INFO] [stdout] 23  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 24  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 429 | |     }
[INFO] [stdout] 430 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | / extension_trait! {
[INFO] [stdout] 22  | |     use std::pin::Pin;
[INFO] [stdout] 23  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 24  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 429 | |     }
[INFO] [stdout] 430 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.80s
[INFO] running `Command { std: "docker" "inspect" "042d5ef0c3590f2020360d84933ddfbb6b1a2594f6901f6b3437d33889076cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042d5ef0c3590f2020360d84933ddfbb6b1a2594f6901f6b3437d33889076cb5", kill_on_drop: false }`
[INFO] [stdout] 042d5ef0c3590f2020360d84933ddfbb6b1a2594f6901f6b3437d33889076cb5