[INFO] cloning repository https://github.com/AnatolyBug/rust-book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnatolyBug/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnatolyBug%2Frust-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnatolyBug%2Frust-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a37b79ca25165833c9436812b43218ae59e57bb8 [INFO] documenting AnatolyBug/rust-book 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%2FAnatolyBug%2Frust-book" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AnatolyBug/rust-book 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/AnatolyBug/rust-book [INFO] finished tweaking git repo https://github.com/AnatolyBug/rust-book [INFO] tweaked toml for git repo https://github.com/AnatolyBug/rust-book written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/AnatolyBug/rust-book 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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 0450a84c1fa933a27b8920b93f21fb0644562ea39c931889d51089054d282baf [INFO] running `Command { std: "docker" "start" "-a" "0450a84c1fa933a27b8920b93f21fb0644562ea39c931889d51089054d282baf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0450a84c1fa933a27b8920b93f21fb0644562ea39c931889d51089054d282baf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0450a84c1fa933a27b8920b93f21fb0644562ea39c931889d51089054d282baf", kill_on_drop: false }` [INFO] [stdout] 0450a84c1fa933a27b8920b93f21fb0644562ea39c931889d51089054d282baf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] f9912e434596c16216123f71126f47828fa2260b31b2b2cce25edecfc40de21b [INFO] running `Command { std: "docker" "start" "-a" "f9912e434596c16216123f71126f47828fa2260b31b2b2cce25edecfc40de21b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking hello_mac v0.1.0 (/opt/rustwide/workdir/hello_mac) [INFO] [stderr] Documenting hello_mac v0.1.0 (/opt/rustwide/workdir/hello_mac) [INFO] [stderr] Checking quote v1.0.15 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Documenting hello_mac_derive v0.1.0 (/opt/rustwide/workdir/hello_mac/hello_mac_derive) [INFO] [stderr] Compiling hello_mac_derive v0.1.0 (/opt/rustwide/workdir/hello_mac/hello_mac_derive) [INFO] [stderr] Documenting collections v0.1.0 (/opt/rustwide/workdir/driver) [INFO] [stderr] Checking collections v0.1.0 (/opt/rustwide/workdir/driver) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> driver/src/smart_pointers4.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | use std::cell::{RefCell, Cell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `px` [INFO] [stdout] --> driver/src/smart_pointers4.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let px: &u32 = &p.x; //Ok [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_px` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `py` [INFO] [stdout] --> driver/src/smart_pointers4.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let py: &mut u32 = &mut p.y; //ok because p is mut [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_py` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qx` [INFO] [stdout] --> driver/src/smart_pointers4.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let qx: &u32 = &q.x; //Ok [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x3` [INFO] [stdout] --> driver/src/smart_pointers4.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let x3 = Rc::clone(&x2); //yet another ref to 1 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_x3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> driver/src/closures1.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | fn add_1 (x: u32) -> u32 {x+1}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `kilo` should have an upper camel case name [INFO] [stdout] --> driver/src/types.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | type kilo = i32; //kilo is type synonym for i32 [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Kilo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> driver/src/types.rs:27:38 [INFO] [stdout] | [INFO] [stdout] 27 | fn takes_Heavy_type (x: Heavy) {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> driver/src/types.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.78s [INFO] running `Command { std: "docker" "inspect" "f9912e434596c16216123f71126f47828fa2260b31b2b2cce25edecfc40de21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9912e434596c16216123f71126f47828fa2260b31b2b2cce25edecfc40de21b", kill_on_drop: false }` [INFO] [stdout] f9912e434596c16216123f71126f47828fa2260b31b2b2cce25edecfc40de21b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 833e3c38bfe1888e068a06c10ba378b51396c9f611a56b845372aed2c1e8760c [INFO] running `Command { std: "docker" "start" "-a" "833e3c38bfe1888e068a06c10ba378b51396c9f611a56b845372aed2c1e8760c", 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" "833e3c38bfe1888e068a06c10ba378b51396c9f611a56b845372aed2c1e8760c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "833e3c38bfe1888e068a06c10ba378b51396c9f611a56b845372aed2c1e8760c", kill_on_drop: false }` [INFO] [stdout] 833e3c38bfe1888e068a06c10ba378b51396c9f611a56b845372aed2c1e8760c