[INFO] cloning repository https://github.com/der-On/Children-Audio-Library
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/der-On/Children-Audio-Library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fder-On%2FChildren-Audio-Library", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fder-On%2FChildren-Audio-Library'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24711d2afa014c6d4971050de6831edbb08987ca
[INFO] documenting der-On/Children-Audio-Library 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%2Fder-On%2FChildren-Audio-Library" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/der-On/Children-Audio-Library 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/der-On/Children-Audio-Library
[INFO] finished tweaking git repo https://github.com/der-On/Children-Audio-Library
[INFO] tweaked toml for git repo https://github.com/der-On/Children-Audio-Library written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/der-On/Children-Audio-Library 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 natord v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.55
[INFO] [stderr]   Downloaded h2 v0.2.4
[INFO] [stderr]   Downloaded serde v1.0.55
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded mime v0.3.7
[INFO] [stderr]   Downloaded tokio v0.2.16
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded hyper-staticfile v0.5.1
[INFO] [stderr]   Downloaded socket2 v0.3.5
[INFO] [stderr]   Downloaded syn v0.13.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ff7b51ad223ff6646c83613a1fb75bf4bee7a06fb46cb54505560f18d61838b
[INFO] running `Command { std: "docker" "start" "-a" "6ff7b51ad223ff6646c83613a1fb75bf4bee7a06fb46cb54505560f18d61838b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff7b51ad223ff6646c83613a1fb75bf4bee7a06fb46cb54505560f18d61838b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff7b51ad223ff6646c83613a1fb75bf4bee7a06fb46cb54505560f18d61838b", kill_on_drop: false }`
[INFO] [stdout] 6ff7b51ad223ff6646c83613a1fb75bf4bee7a06fb46cb54505560f18d61838b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6ff634fd7afba5991fc084b0db08a7ef91b54b7e6afeb1a142ee3146be06142a
[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" "6ff634fd7afba5991fc084b0db08a7ef91b54b7e6afeb1a142ee3146be06142a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cmd_lib v0.7.8
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mime v0.3.7
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling syn v0.13.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-staticfile v0.5.1
[INFO] [stderr]     Checking children-audio-library v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting children-audio-library v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `file_size`
[INFO] [stdout]    --> src/library.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn file_size(_file: &File) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `updatedAt` should have a snake case name
[INFO] [stdout]   --> src/library.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub updatedAt: String,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `updated_at`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/cli.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |         0...1 => "help".to_owned(),
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "6ff634fd7afba5991fc084b0db08a7ef91b54b7e6afeb1a142ee3146be06142a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff634fd7afba5991fc084b0db08a7ef91b54b7e6afeb1a142ee3146be06142a", kill_on_drop: false }`
[INFO] [stdout] 6ff634fd7afba5991fc084b0db08a7ef91b54b7e6afeb1a142ee3146be06142a