[INFO] cloning repository https://github.com/emm218/shuffle-albums
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emm218/shuffle-albums" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm218%2Fshuffle-albums", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm218%2Fshuffle-albums'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e661017c0edb7e2ef25f09965fd2c3127669b089
[INFO] documenting emm218/shuffle-albums against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm218%2Fshuffle-albums" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emm218/shuffle-albums on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emm218/shuffle-albums
[INFO] finished tweaking git repo https://github.com/emm218/shuffle-albums
[INFO] tweaked toml for git repo https://github.com/emm218/shuffle-albums written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emm218/shuffle-albums already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded mpd v0.0.12
[INFO] [stderr]   Downloaded hostname-validator v1.1.1
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c3cc637055db5a0087a4756d1dcf954b7a99dfeb1144284a774bdd79cfd151
[INFO] running `Command { std: "docker" "start" "-a" "b7c3cc637055db5a0087a4756d1dcf954b7a99dfeb1144284a774bdd79cfd151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c3cc637055db5a0087a4756d1dcf954b7a99dfeb1144284a774bdd79cfd151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c3cc637055db5a0087a4756d1dcf954b7a99dfeb1144284a774bdd79cfd151", kill_on_drop: false }`
[INFO] [stdout] b7c3cc637055db5a0087a4756d1dcf954b7a99dfeb1144284a774bdd79cfd151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0b9c3b9365d456bfcfb9dc4443c6b0da279b80270bd0a5b7035b8ee4f3bc1e
[INFO] running `Command { std: "docker" "start" "-a" "4d0b9c3b9365d456bfcfb9dc4443c6b0da279b80270bd0a5b7035b8ee4f3bc1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking hostname-validator v1.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting shuffle-albums v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/shuffle_albums/index.html
[INFO] running `Command { std: "docker" "inspect" "4d0b9c3b9365d456bfcfb9dc4443c6b0da279b80270bd0a5b7035b8ee4f3bc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0b9c3b9365d456bfcfb9dc4443c6b0da279b80270bd0a5b7035b8ee4f3bc1e", kill_on_drop: false }`
[INFO] [stdout] 4d0b9c3b9365d456bfcfb9dc4443c6b0da279b80270bd0a5b7035b8ee4f3bc1e