[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 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%2Famryamanah%2Fworkspace-tutor" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amryamanah/workspace-tutor 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/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-4/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: "/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 34379d6df06b49fb7e3b3715f770c20a4d0228cb7e04944d7ef4ba84a77f957e [INFO] running `Command { std: "docker" "start" "-a" "34379d6df06b49fb7e3b3715f770c20a4d0228cb7e04944d7ef4ba84a77f957e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34379d6df06b49fb7e3b3715f770c20a4d0228cb7e04944d7ef4ba84a77f957e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34379d6df06b49fb7e3b3715f770c20a4d0228cb7e04944d7ef4ba84a77f957e", kill_on_drop: false }` [INFO] [stdout] 34379d6df06b49fb7e3b3715f770c20a4d0228cb7e04944d7ef4ba84a77f957e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 7550f624812b03f666d7005b5aa355a843e8a972d90d421b2d26c44dccf42c10 [INFO] running `Command { std: "docker" "start" "-a" "7550f624812b03f666d7005b5aa355a843e8a972d90d421b2d26c44dccf42c10", kill_on_drop: false }` [INFO] [stderr] Checking blog v0.1.0 (/opt/rustwide/workdir/blog) [INFO] [stderr] Checking chap20_webserver v0.1.0 (/opt/rustwide/workdir/chap20_webserver) [INFO] [stderr] Checking chap16_concurrency v0.1.0 (/opt/rustwide/workdir/chap16_concurrency) [INFO] [stderr] Checking chap15_smart_pointer v0.1.0 (/opt/rustwide/workdir/chap15_smart_pointer) [INFO] [stderr] Checking chap19_advanced v0.1.0 (/opt/rustwide/workdir/chap19_advanced) [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] Documenting chap16_concurrency v0.1.0 (/opt/rustwide/workdir/chap16_concurrency) [INFO] [stderr] Documenting chap15_smart_pointer v0.1.0 (/opt/rustwide/workdir/chap15_smart_pointer) [INFO] [stderr] Documenting chap17_oop v0.1.0 (/opt/rustwide/workdir/chap17_oop) [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 chap18_pattern v0.1.0 (/opt/rustwide/workdir/chap18_pattern) [INFO] [stderr] Documenting chap19_advanced v0.1.0 (/opt/rustwide/workdir/chap19_advanced) [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] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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 [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 [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] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> chap18_pattern/src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `z` [INFO] [stdout] --> chap18_pattern/src/lib.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | z: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> chap18_pattern/src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> chap18_pattern/src/lib.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> chap18_pattern/src/lib.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [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: field is never read: `workers` [INFO] [stdout] --> chap20_webserver/src/multithreaded.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> chap20_webserver/src/multithreaded.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> chap20_webserver/src/multithreaded.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 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 7.93s [INFO] running `Command { std: "docker" "inspect" "7550f624812b03f666d7005b5aa355a843e8a972d90d421b2d26c44dccf42c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7550f624812b03f666d7005b5aa355a843e8a972d90d421b2d26c44dccf42c10", kill_on_drop: false }` [INFO] [stdout] 7550f624812b03f666d7005b5aa355a843e8a972d90d421b2d26c44dccf42c10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] ccba76a22e5b9a3f9a0d92bb97575006c6f7f1098d0d316820c76760f976201b [INFO] running `Command { std: "docker" "start" "-a" "ccba76a22e5b9a3f9a0d92bb97575006c6f7f1098d0d316820c76760f976201b", 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" "ccba76a22e5b9a3f9a0d92bb97575006c6f7f1098d0d316820c76760f976201b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccba76a22e5b9a3f9a0d92bb97575006c6f7f1098d0d316820c76760f976201b", kill_on_drop: false }` [INFO] [stdout] ccba76a22e5b9a3f9a0d92bb97575006c6f7f1098d0d316820c76760f976201b