[INFO] cloning repository https://github.com/ComprosoftCEO/StringerPuzzles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ComprosoftCEO/StringerPuzzles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2625111558ad75a1883221fe4d5bf9e673fb7b8
[INFO] documenting ComprosoftCEO/StringerPuzzles against 1.99.0-beta.8 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ComprosoftCEO/StringerPuzzles
[INFO] finished tweaking git repo https://github.com/ComprosoftCEO/StringerPuzzles
[INFO] tweaked toml for git repo https://github.com/ComprosoftCEO/StringerPuzzles written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ComprosoftCEO/StringerPuzzles on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ComprosoftCEO/StringerPuzzles 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded proc-macro2 v1.0.38
[INFO] [stderr]   Downloaded rand_seeder v0.2.3
[INFO] [stderr]   Downloaded rlua v0.19.1
[INFO] [stderr]   Downloaded syn v1.0.94
[INFO] [stderr]   Downloaded rlua-lua54-sys v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d
[INFO] running `Command { std: "docker" "start" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rlua v0.19.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand_seeder v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]  Documenting stringer-puzzles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/stringer_puzzles/index.html
[INFO] running `Command { std: "docker" "inspect" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d", kill_on_drop: false }`
[INFO] [stdout] 85f6de29611061a7ac152b0de60c9cb53662d7255e94805a081d222860deaa6d