[INFO] fetching crate moonwave 1.3.0...
[INFO] checking moonwave-1.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate moonwave 1.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate moonwave 1.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate moonwave 1.3.0
[INFO] tweaked toml for crates.io crate moonwave 1.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate moonwave 1.3.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate moonwave 1.3.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd7a02f5352cac7405f9a233970f2e67f1dc13086b1ab987890cc7c868186b13
[INFO] running `Command { std: "docker" "start" "-a" "bd7a02f5352cac7405f9a233970f2e67f1dc13086b1ab987890cc7c868186b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7a02f5352cac7405f9a233970f2e67f1dc13086b1ab987890cc7c868186b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7a02f5352cac7405f9a233970f2e67f1dc13086b1ab987890cc7c868186b13", kill_on_drop: false }`
[INFO] [stdout] bd7a02f5352cac7405f9a233970f2e67f1dc13086b1ab987890cc7c868186b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd576f98bea1b474667544756f99ea9a38877106874486a07aef5297d951924
[INFO] running `Command { std: "docker" "start" "-a" "6cd576f98bea1b474667544756f99ea9a38877106874486a07aef5297d951924", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling fs-err v3.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking pathdiff v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling full_moon_derive v0.11.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking smol_str v0.3.2
[INFO] [stderr]     Checking insta v1.41.1
[INFO] [stderr]     Checking full_moon v1.2.0
[INFO] [stderr]     Checking moonwave v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]   --> src/source_file.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SourceFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     doc_comments: Vec<DocComment>,
[INFO] [stdout] 15 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub input_path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The base path that source paths in the output will be relative to.
[INFO] [stdout] 23 | |     /// If unspecified, the input path is used.
[INFO] [stdout] 24 | |     #[structopt(long = "base", short = "b")]
[INFO] [stdout] 25 | |     pub base_path: Option<PathBuf>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/source_file.rs:186:43
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn parse(&'a self) -> Result<(Vec<DocEntry>, Vec<Tag>), Error> {
[INFO] [stdout]     |                   --                      ^^^^^^^^       ^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |                       |
[INFO] [stdout]     |                   |                       the same lifetime is hidden here
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn parse(&'a self) -> Result<(Vec<DocEntry<'a>>, Vec<Tag<'a>>), Error> {
[INFO] [stdout]     |                                                   ++++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moonwave` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]   --> src/source_file.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SourceFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     doc_comments: Vec<DocComment>,
[INFO] [stdout] 15 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub input_path: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The base path that source paths in the output will be relative to.
[INFO] [stdout] 23 | |     /// If unspecified, the input path is used.
[INFO] [stdout] 24 | |     #[structopt(long = "base", short = "b")]
[INFO] [stdout] 25 | |     pub base_path: Option<PathBuf>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/source_file.rs:186:43
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn parse(&'a self) -> Result<(Vec<DocEntry>, Vec<Tag>), Error> {
[INFO] [stdout]     |                   --                      ^^^^^^^^       ^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |                       |
[INFO] [stdout]     |                   |                       the same lifetime is hidden here
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     pub fn parse(&'a self) -> Result<(Vec<DocEntry<'a>>, Vec<Tag<'a>>), Error> {
[INFO] [stdout]     |                                                   ++++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moonwave` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6cd576f98bea1b474667544756f99ea9a38877106874486a07aef5297d951924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd576f98bea1b474667544756f99ea9a38877106874486a07aef5297d951924", kill_on_drop: false }`
[INFO] [stdout] 6cd576f98bea1b474667544756f99ea9a38877106874486a07aef5297d951924
