[INFO] cloning repository https://github.com/cannero/tape_drive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cannero/tape_drive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Ftape_drive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Ftape_drive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adc31de96be66991928f3443419a1f549b9c7dde
[INFO] documenting cannero/tape_drive 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%2Fcannero%2Ftape_drive" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cannero/tape_drive 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/cannero/tape_drive
[INFO] finished tweaking git repo https://github.com/cannero/tape_drive
[INFO] tweaked toml for git repo https://github.com/cannero/tape_drive written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cannero/tape_drive 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 lexical-core v0.7.4
[INFO] [stderr]   Downloaded isahc v0.9.2
[INFO] [stderr]   Downloaded curl v0.4.29
[INFO] [stderr]   Downloaded surf v2.0.0-alpha.2
[INFO] [stderr]   Downloaded nom v6.0.0-alpha1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.56
[INFO] [stderr]   Downloaded curl-sys v0.4.31+curl-7.70.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ee8a8e7a363565caae39ed83707aef0a730069db70e08af0b8e2fb6012ce73c2
[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" "ee8a8e7a363565caae39ed83707aef0a730069db70e08af0b8e2fb6012ce73c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8a8e7a363565caae39ed83707aef0a730069db70e08af0b8e2fb6012ce73c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8a8e7a363565caae39ed83707aef0a730069db70e08af0b8e2fb6012ce73c2", kill_on_drop: false }`
[INFO] [stdout] ee8a8e7a363565caae39ed83707aef0a730069db70e08af0b8e2fb6012ce73c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6be46c73e6fb6e73e2e989b3fa94a058ed28eec943e1e1db235df0746a550ed8
[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" "6be46c73e6fb6e73e2e989b3fa94a058ed28eec943e1e1db235df0746a550ed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling isahc v0.9.2
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking infer v0.1.6
[INFO] [stderr]     Checking omnom v2.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking byte-pool v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking http-types v1.2.0
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking async-h1 v1.1.2
[INFO] [stderr]     Checking http-client v2.0.0
[INFO] [stderr]     Checking surf v2.0.0-alpha.2
[INFO] [stderr]  Documenting tape_drive 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-1.5.0/src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[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-1.5.0/src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[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 1m 28s
[INFO] running `Command { std: "docker" "inspect" "6be46c73e6fb6e73e2e989b3fa94a058ed28eec943e1e1db235df0746a550ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be46c73e6fb6e73e2e989b3fa94a058ed28eec943e1e1db235df0746a550ed8", kill_on_drop: false }`
[INFO] [stdout] 6be46c73e6fb6e73e2e989b3fa94a058ed28eec943e1e1db235df0746a550ed8