[INFO] cloning repository https://github.com/9999years/password-trainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9999years/password-trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9999years%2Fpassword-trainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9999years%2Fpassword-trainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c061aed86019b75e5ed24da2fb9163144317929
[INFO] documenting 9999years/password-trainer 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%2F9999years%2Fpassword-trainer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9999years/password-trainer 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/9999years/password-trainer
[INFO] finished tweaking git repo https://github.com/9999years/password-trainer
[INFO] tweaked toml for git repo https://github.com/9999years/password-trainer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/9999years/password-trainer 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 syn v1.0.36
[INFO] [stderr]   Downloaded tracing v0.1.18
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded secrecy v0.7.0
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded color-eyre v0.5.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded eyre v0.6.0
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded tracing-core v0.1.12
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded zeroize v1.1.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.10
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded dialoguer v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 521587cb70d70f44c8446c60ed9e96b3dca2f2dc51192f1a4807a9bf1f3e9939
[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" "521587cb70d70f44c8446c60ed9e96b3dca2f2dc51192f1a4807a9bf1f3e9939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521587cb70d70f44c8446c60ed9e96b3dca2f2dc51192f1a4807a9bf1f3e9939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521587cb70d70f44c8446c60ed9e96b3dca2f2dc51192f1a4807a9bf1f3e9939", kill_on_drop: false }`
[INFO] [stdout] 521587cb70d70f44c8446c60ed9e96b3dca2f2dc51192f1a4807a9bf1f3e9939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f91b467e5fee9c1f17122db055cedc028df010187cf43d3acb5105dfdea35963
[INFO] running `Command { std: "docker" "start" "-a" "f91b467e5fee9c1f17122db055cedc028df010187cf43d3acb5105dfdea35963", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking color-eyre v0.5.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]  Documenting password-trainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.35s
[INFO] running `Command { std: "docker" "inspect" "f91b467e5fee9c1f17122db055cedc028df010187cf43d3acb5105dfdea35963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91b467e5fee9c1f17122db055cedc028df010187cf43d3acb5105dfdea35963", kill_on_drop: false }`
[INFO] [stdout] f91b467e5fee9c1f17122db055cedc028df010187cf43d3acb5105dfdea35963