[INFO] cloning repository https://github.com/liugangnhm/rustdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liugangnhm/rustdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliugangnhm%2Frustdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliugangnhm%2Frustdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2fdb2ff411f467c865607881fa69b5335a98e14
[INFO] documenting liugangnhm/rustdemo against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliugangnhm%2Frustdemo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liugangnhm/rustdemo on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liugangnhm/rustdemo
[INFO] finished tweaking git repo https://github.com/liugangnhm/rustdemo
[INFO] tweaked toml for git repo https://github.com/liugangnhm/rustdemo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/liugangnhm/rustdemo 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] [stderr]   Downloaded hidapi v2.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99845e3b3bc46eddb9bec97043fbe49fa15204a5a996ffb804a52de01a898c7e
[INFO] running `Command { std: "docker" "start" "-a" "99845e3b3bc46eddb9bec97043fbe49fa15204a5a996ffb804a52de01a898c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99845e3b3bc46eddb9bec97043fbe49fa15204a5a996ffb804a52de01a898c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99845e3b3bc46eddb9bec97043fbe49fa15204a5a996ffb804a52de01a898c7e", kill_on_drop: false }`
[INFO] [stdout] 99845e3b3bc46eddb9bec97043fbe49fa15204a5a996ffb804a52de01a898c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf13d3d415b4cce1cfe81304020f09731242ebcc337dd32ea30a7b0d4e460e9
[INFO] running `Command { std: "docker" "start" "-a" "2cf13d3d415b4cce1cfe81304020f09731242ebcc337dd32ea30a7b0d4e460e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cbindgen v0.26.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
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[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling anyhow v1.0.77
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling hidapi v2.5.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking bitflags v2.0.2
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[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     a1 = 0,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     a2 = 2,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a3` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     a3,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     a4 = 5,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/lib.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     a1 = 0,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     a2 = 2,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a3` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     a3,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     a4 = 5,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with_box`
[INFO] [stdout]   --> src/lib.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub extern "C" fn root(with_box: &MyStruct) {}
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_with_box`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lib.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub extern "C" fn drop_box(x: Box<i32>) {}
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lib.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub extern "C" fn drop_box_opt(x: Option<Box<i32>>) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `A` is never used
[INFO] [stdout]  --> src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum A {
[INFO] [stdout]   |      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rustdemo/index.html and 31 other files
[INFO] running `Command { std: "docker" "inspect" "2cf13d3d415b4cce1cfe81304020f09731242ebcc337dd32ea30a7b0d4e460e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf13d3d415b4cce1cfe81304020f09731242ebcc337dd32ea30a7b0d4e460e9", kill_on_drop: false }`
[INFO] [stdout] 2cf13d3d415b4cce1cfe81304020f09731242ebcc337dd32ea30a7b0d4e460e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ddf44b58ac10d8ae95f77fc767a1eb9e242ce09edd6a69f9a40342ba4d6b90d
[INFO] running `Command { std: "docker" "start" "-a" "1ddf44b58ac10d8ae95f77fc767a1eb9e242ce09edd6a69f9a40342ba4d6b90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.77
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cbindgen v0.26.0
[INFO] [stderr]    Compiling rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     a1 = 0,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     a2 = 2,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a3` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     a3,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     a4 = 5,
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.76s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rustdemo/index.html
[INFO] running `Command { std: "docker" "inspect" "1ddf44b58ac10d8ae95f77fc767a1eb9e242ce09edd6a69f9a40342ba4d6b90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ddf44b58ac10d8ae95f77fc767a1eb9e242ce09edd6a69f9a40342ba4d6b90d", kill_on_drop: false }`
[INFO] [stdout] 1ddf44b58ac10d8ae95f77fc767a1eb9e242ce09edd6a69f9a40342ba4d6b90d