[INFO] cloning repository https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuriykulikov/ferrous-systems-rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cf27aad04dfec4222ccafa63f8b84129a8b4a2f
[INFO] documenting yuriykulikov/ferrous-systems-rust-training against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training" "/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/yuriykulikov/ferrous-systems-rust-training on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] finished tweaking git repo https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] tweaked toml for git repo https://github.com/yuriykulikov/ferrous-systems-rust-training written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yuriykulikov/ferrous-systems-rust-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf65fcc7d08f3e966240f41e9bc5fbb139707fd108783f5c606b8a8fbdce77c2
[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" "bf65fcc7d08f3e966240f41e9bc5fbb139707fd108783f5c606b8a8fbdce77c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf65fcc7d08f3e966240f41e9bc5fbb139707fd108783f5c606b8a8fbdce77c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf65fcc7d08f3e966240f41e9bc5fbb139707fd108783f5c606b8a8fbdce77c2", kill_on_drop: false }`
[INFO] [stdout] bf65fcc7d08f3e966240f41e9bc5fbb139707fd108783f5c606b8a8fbdce77c2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] cc0153ec65a5f6f2b23a6550ee9d8d5075f493696b0634e1ab0454cd9ea5f64d
[INFO] running `Command { std: "docker" "start" "-a" "cc0153ec65a5f6f2b23a6550ee9d8d5075f493696b0634e1ab0454cd9ea5f64d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking redisish v0.1.0 (/opt/rustwide/workdir/redisish)
[INFO] [stderr]  Documenting fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stderr]  Documenting redisish v0.1.0 (/opt/rustwide/workdir/redisish)
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> redisish/src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// https://ferrous-systems.github.io/teaching-material/assignments/redisish.html
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://ferrous-systems.github.io/teaching-material/assignments/redisish.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `fizzbuzz_with_match` links to private item `to_fizzbuzz_string`
[INFO] [stdout]  --> fizzbuzz/src/lib.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | /// Iterates through a range mapping numbers using [to_fizzbuzz_string]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]   = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]  Documenting tcp-server v0.1.0 (/opt/rustwide/workdir/tcp-server)
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]  Documenting tcp-client v0.1.0 (/opt/rustwide/workdir/tcp-client)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.12s
[INFO] running `Command { std: "docker" "inspect" "cc0153ec65a5f6f2b23a6550ee9d8d5075f493696b0634e1ab0454cd9ea5f64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0153ec65a5f6f2b23a6550ee9d8d5075f493696b0634e1ab0454cd9ea5f64d", kill_on_drop: false }`
[INFO] [stdout] cc0153ec65a5f6f2b23a6550ee9d8d5075f493696b0634e1ab0454cd9ea5f64d
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 781f6cb82cef92c3c6b75a06d11205ef2c6c91889c85f6783a77ab0251827d34
[INFO] running `Command { std: "docker" "start" "-a" "781f6cb82cef92c3c6b75a06d11205ef2c6c91889c85f6783a77ab0251827d34", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `ferrous-systems-rust-training`
[INFO] running `Command { std: "docker" "inspect" "781f6cb82cef92c3c6b75a06d11205ef2c6c91889c85f6783a77ab0251827d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781f6cb82cef92c3c6b75a06d11205ef2c6c91889c85f6783a77ab0251827d34", kill_on_drop: false }`
[INFO] [stdout] 781f6cb82cef92c3c6b75a06d11205ef2c6c91889c85f6783a77ab0251827d34