[INFO] fetching crate mdbook-linkcheck 0.7.6...
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] crate mdbook-linkcheck 0.7.6 is already in cache
[INFO] checking mdbook-linkcheck-0.7.6 against master#1673f1450eeaf4a5452e086db0fe2ae274a0144f for pr-99413
[INFO] extracting crate mdbook-linkcheck 0.7.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mdbook-linkcheck 0.7.6 on toolchain 1673f1450eeaf4a5452e086db0fe2ae274a0144f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate mdbook-linkcheck 0.7.6
[INFO] finished tweaking crates.io crate mdbook-linkcheck 0.7.6
[INFO] tweaked toml for crates.io crate mdbook-linkcheck 0.7.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-linkcheck 0.7.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.69
[INFO] [stderr]   Downloaded openssl-sys v0.9.70
[INFO] [stderr]   Downloaded reqwest v0.11.6
[INFO] [stderr]   Downloaded h2 v0.3.7
[INFO] [stderr]   Downloaded topological-sort v0.1.0
[INFO] [stderr]   Downloaded linkify v0.7.0
[INFO] [stderr]   Downloaded hyper v0.14.14
[INFO] [stderr]   Downloaded handlebars v4.1.4
[INFO] [stderr]   Downloaded linkcheck v0.4.1
[INFO] [stderr]   Downloaded tokio v1.13.0
[INFO] [stderr]   Downloaded openssl-src v300.0.2+3.0.0
[INFO] [stderr]   Downloaded mdbook v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8ab6164a888bf550db836fdb227610a3eda382466132b1d89da14245442695
[INFO] running `Command { std: "docker" "start" "-a" "0d8ab6164a888bf550db836fdb227610a3eda382466132b1d89da14245442695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8ab6164a888bf550db836fdb227610a3eda382466132b1d89da14245442695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8ab6164a888bf550db836fdb227610a3eda382466132b1d89da14245442695", kill_on_drop: false }`
[INFO] [stdout] 0d8ab6164a888bf550db836fdb227610a3eda382466132b1d89da14245442695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1673f1450eeaf4a5452e086db0fe2ae274a0144f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daec062de83a4bed1b4516095bdb70d642d573ba36d9178bb6c5bb935be9a2d3
[INFO] running `Command { std: "docker" "start" "-a" "daec062de83a4bed1b4516095bdb70d642d573ba36d9178bb6c5bb935be9a2d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]     Checking topological-sort v0.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl-src v300.0.2+3.0.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking linkify v0.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking codespan v0.11.1
[INFO] [stderr]     Checking handlebars v4.1.4
[INFO] [stderr]     Checking mdbook v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking linkcheck v0.4.1
[INFO] [stderr]     Checking mdbook-linkcheck v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `src_dir` and `files` are never read
[INFO] [stdout]   --> src/context.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Context<'a> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 17 |     pub(crate) cfg: &'a Config,
[INFO] [stdout] 18 |     pub(crate) src_dir: &'a Path,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 19 |     pub(crate) cache: Mutex<Cache>,
[INFO] [stdout] 20 |     pub(crate) files: &'a Files<String>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_dir` and `files` are never read
[INFO] [stdout]   --> src/context.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Context<'a> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 17 |     pub(crate) cfg: &'a Config,
[INFO] [stdout] 18 |     pub(crate) src_dir: &'a Path,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 19 |     pub(crate) cache: Mutex<Cache>,
[INFO] [stdout] 20 |     pub(crate) files: &'a Files<String>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "daec062de83a4bed1b4516095bdb70d642d573ba36d9178bb6c5bb935be9a2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daec062de83a4bed1b4516095bdb70d642d573ba36d9178bb6c5bb935be9a2d3", kill_on_drop: false }`
[INFO] [stdout] daec062de83a4bed1b4516095bdb70d642d573ba36d9178bb6c5bb935be9a2d3