[INFO] cloning repository https://github.com/amryamanah/workspace-tutor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amryamanah/workspace-tutor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famryamanah%2Fworkspace-tutor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famryamanah%2Fworkspace-tutor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a113af6a664c55d6cbdc479ef6cdf3eaedb1688f
[INFO] documenting amryamanah/workspace-tutor against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famryamanah%2Fworkspace-tutor" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amryamanah/workspace-tutor on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amryamanah/workspace-tutor
[INFO] finished tweaking git repo https://github.com/amryamanah/workspace-tutor
[INFO] tweaked toml for git repo https://github.com/amryamanah/workspace-tutor written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/amryamanah/workspace-tutor 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01ebe046b8157862b45ce479c35e3217939510b7d6539c1d32f8ca13e286a6ba
[INFO] running `Command { std: "docker" "start" "-a" "01ebe046b8157862b45ce479c35e3217939510b7d6539c1d32f8ca13e286a6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01ebe046b8157862b45ce479c35e3217939510b7d6539c1d32f8ca13e286a6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ebe046b8157862b45ce479c35e3217939510b7d6539c1d32f8ca13e286a6ba", kill_on_drop: false }`
[INFO] [stdout] 01ebe046b8157862b45ce479c35e3217939510b7d6539c1d32f8ca13e286a6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42b64a9f837601db33e75e6ee7c9d40fb0de36174261ae071aaf3f3c9ef5fe5
[INFO] running `Command { std: "docker" "start" "-a" "e42b64a9f837601db33e75e6ee7c9d40fb0de36174261ae071aaf3f3c9ef5fe5", kill_on_drop: false }`
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]     Checking chap17_oop v0.1.0 (/opt/rustwide/workdir/chap17_oop)
[INFO] [stderr]     Checking chap18_pattern v0.1.0 (/opt/rustwide/workdir/chap18_pattern)
[INFO] [stderr]     Checking chap16_concurrency v0.1.0 (/opt/rustwide/workdir/chap16_concurrency)
[INFO] [stderr]     Checking chap19_advanced v0.1.0 (/opt/rustwide/workdir/chap19_advanced)
[INFO] [stderr]     Checking chap20_webserver v0.1.0 (/opt/rustwide/workdir/chap20_webserver)
[INFO] [stderr]     Checking chap15_smart_pointer v0.1.0 (/opt/rustwide/workdir/chap15_smart_pointer)
[INFO] [stderr]  Documenting chap16_concurrency v0.1.0 (/opt/rustwide/workdir/chap16_concurrency)
[INFO] [stderr]  Documenting chap19_advanced v0.1.0 (/opt/rustwide/workdir/chap19_advanced)
[INFO] [stderr]  Documenting chap18_pattern v0.1.0 (/opt/rustwide/workdir/chap18_pattern)
[INFO] [stderr]  Documenting blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]  Documenting chap20_webserver v0.1.0 (/opt/rustwide/workdir/chap20_webserver)
[INFO] [stderr]  Documenting chap17_oop v0.1.0 (/opt/rustwide/workdir/chap17_oop)
[INFO] [stderr]  Documenting chap15_smart_pointer v0.1.0 (/opt/rustwide/workdir/chap15_smart_pointer)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> chap18_pattern/src/lib.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Message::Hello { id: id_variable @ 3...7 } => {
[INFO] [stdout]    |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> chap18_pattern/src/lib.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Message::Hello { id: 10...12 } => {
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]   --> blog/src/postv1.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn content<'a>(&self, post: &'a Post) -> &'a str {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> chap18_pattern/src/lib.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Message::Hello { id: id_variable @ 3...7 } => {
[INFO] [stdout]    |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> chap18_pattern/src/lib.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Message::Hello { id: 10...12 } => {
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> chap15_smart_pointer/src/lib.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let b = RcCons(3, Rc::clone(&a));
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> chap15_smart_pointer/src/lib.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let c = RcCons(4, Rc::clone(&a));
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> chap20_webserver/src/multithreaded.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 10 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> chap20_webserver/src/multithreaded.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 62 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 63 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y` and `z` are never read
[INFO] [stdout]   --> chap18_pattern/src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     struct Point {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 89 |         x: i32,
[INFO] [stdout] 90 |         y: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 91 |         z: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `Write` are never constructed
[INFO] [stdout]    --> chap18_pattern/src/lib.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum Message {
[INFO] [stdout]     |      ------- variants in this enum
[INFO] [stdout] 115 |     Quit,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 116 |     Move { x: i32, y: i32 },
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 117 |     Write(String),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting main_tutor v0.1.0 (/opt/rustwide/workdir/main_tutor)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "e42b64a9f837601db33e75e6ee7c9d40fb0de36174261ae071aaf3f3c9ef5fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42b64a9f837601db33e75e6ee7c9d40fb0de36174261ae071aaf3f3c9ef5fe5", kill_on_drop: false }`
[INFO] [stdout] e42b64a9f837601db33e75e6ee7c9d40fb0de36174261ae071aaf3f3c9ef5fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4a0042be397271a5bbea259866b485a60da97711485963b62942d9f66a9d82
[INFO] running `Command { std: "docker" "start" "-a" "9a4a0042be397271a5bbea259866b485a60da97711485963b62942d9f66a9d82", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "9a4a0042be397271a5bbea259866b485a60da97711485963b62942d9f66a9d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4a0042be397271a5bbea259866b485a60da97711485963b62942d9f66a9d82", kill_on_drop: false }`
[INFO] [stdout] 9a4a0042be397271a5bbea259866b485a60da97711485963b62942d9f66a9d82
