[INFO] fetching crate vimwiki-cli 0.1.0...
[INFO] checking vimwiki-cli-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate vimwiki-cli 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vimwiki-cli 0.1.0
[INFO] finished tweaking crates.io crate vimwiki-cli 0.1.0
[INFO] tweaked toml for crates.io crate vimwiki-cli 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vimwiki-cli 0.1.0 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 vimwiki-cli 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d702dd58120fb6ee4a37baa71e107fa0efd9dd3e3a3a11b2cbd7dbd608ce5668
[INFO] running `Command { std: "docker" "start" "-a" "d702dd58120fb6ee4a37baa71e107fa0efd9dd3e3a3a11b2cbd7dbd608ce5668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d702dd58120fb6ee4a37baa71e107fa0efd9dd3e3a3a11b2cbd7dbd608ce5668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d702dd58120fb6ee4a37baa71e107fa0efd9dd3e3a3a11b2cbd7dbd608ce5668", kill_on_drop: false }`
[INFO] [stdout] d702dd58120fb6ee4a37baa71e107fa0efd9dd3e3a3a11b2cbd7dbd608ce5668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8c7fc7eac93f2ca991fc45e916bde12861fac14b49ed2e5e8c357d0614c96e24
[INFO] running `Command { std: "docker" "start" "-a" "8c7fc7eac93f2ca991fc45e916bde12861fac14b49ed2e5e8c357d0614c96e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling serde_json v1.0.64
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[INFO] [stderr]    Compiling radium v0.5.3
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[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling darling_core v0.12.4
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[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking arrayvec v0.5.2
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[INFO] [stderr]     Checking xml-rs v0.8.3
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[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling serde_with_macros v1.4.1
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking vimvar v0.2.0
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[INFO] [stderr]     Checking voca_rs v1.13.0
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[INFO] [stderr]     Checking serde_with v1.9.1
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[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking syntect v4.5.0
[INFO] [stderr]     Checking vimwiki-core v0.1.0
[INFO] [stderr]     Checking vimwiki v0.1.0
[INFO] [stderr]     Checking vimwiki-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `port` and `include_styles_css` are never read
[INFO] [stdout]    --> src/opt.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ServeSubcommand {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub port: usize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub include_styles_css: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ServeSubcommand` 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/opt.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// Directory where cache information is stored
[INFO] [stdout] 39 | |     #[structopt(long, default_value = &DEFAULT_CACHE_DIR, global = true)]
[INFO] [stdout] 40 | |     pub cache: 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/opt.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Path to config file
[INFO] [stdout] 51 | |     #[structopt(short, long, global = true)]
[INFO] [stdout] 52 | |     pub config: Option<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]   --> src/opt.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// Specifies specific wikis to include by index or name; if none are
[INFO] [stdout] 65 | |     /// provided, then all available wikis are converted
[INFO] [stdout] 66 | |     #[structopt(short, long, global = true)]
[INFO] [stdout] 67 | |     pub include: Vec<IndexOrName>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/opt.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /     /// Writes to output file instead of stdout
[INFO] [stdout] 139 | |     #[structopt(short, long)]
[INFO] [stdout] 140 | |     pub output: Option<PathBuf>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/opt.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | /     /// JSON path to use for inspection
[INFO] [stdout] 143 | |     #[structopt(name = "JSONPATH")]
[INFO] [stdout] 144 | |     pub json_path: String,
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:199:53
[INFO] [stdout]     |
[INFO] [stdout] 199 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 200 | |         match s.parse::<usize>() {
[INFO] [stdout] 201 | |             Ok(idx) => Ok(Self::Index(idx)),
[INFO] [stdout] 202 | |             Err(_) => Ok(Self::Name(s.to_string())),
[INFO] [stdout] 203 | |         }
[INFO] [stdout] 204 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 | /         match s.parse::<usize>() {
[INFO] [stdout] 201 | |             Ok(idx) => Ok(Self::Index(idx)),
[INFO] [stdout] 202 | |             Err(_) => Ok(Self::Name(s.to_string())),
[INFO] [stdout] 203 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:201:24
[INFO] [stdout]     |
[INFO] [stdout] 201 |             Ok(idx) => Ok(Self::Index(idx)),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:202:23
[INFO] [stdout]     |
[INFO] [stdout] 202 |             Err(_) => Ok(Self::Name(s.to_string())),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vimwiki-cli` (bin "vimwiki") due to 9 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `port` and `include_styles_css` are never read
[INFO] [stdout]    --> src/opt.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ServeSubcommand {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub port: usize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub include_styles_css: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ServeSubcommand` 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/opt.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     /// Directory where cache information is stored
[INFO] [stdout] 39 | |     #[structopt(long, default_value = &DEFAULT_CACHE_DIR, global = true)]
[INFO] [stdout] 40 | |     pub cache: 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/opt.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// Path to config file
[INFO] [stdout] 51 | |     #[structopt(short, long, global = true)]
[INFO] [stdout] 52 | |     pub config: Option<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]   --> src/opt.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// Specifies specific wikis to include by index or name; if none are
[INFO] [stdout] 65 | |     /// provided, then all available wikis are converted
[INFO] [stdout] 66 | |     #[structopt(short, long, global = true)]
[INFO] [stdout] 67 | |     pub include: Vec<IndexOrName>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/opt.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /     /// Writes to output file instead of stdout
[INFO] [stdout] 139 | |     #[structopt(short, long)]
[INFO] [stdout] 140 | |     pub output: Option<PathBuf>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/opt.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | /     /// JSON path to use for inspection
[INFO] [stdout] 143 | |     #[structopt(name = "JSONPATH")]
[INFO] [stdout] 144 | |     pub json_path: String,
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:199:53
[INFO] [stdout]     |
[INFO] [stdout] 199 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 200 | |         match s.parse::<usize>() {
[INFO] [stdout] 201 | |             Ok(idx) => Ok(Self::Index(idx)),
[INFO] [stdout] 202 | |             Err(_) => Ok(Self::Name(s.to_string())),
[INFO] [stdout] 203 | |         }
[INFO] [stdout] 204 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 | /         match s.parse::<usize>() {
[INFO] [stdout] 201 | |             Ok(idx) => Ok(Self::Index(idx)),
[INFO] [stdout] 202 | |             Err(_) => Ok(Self::Name(s.to_string())),
[INFO] [stdout] 203 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:201:24
[INFO] [stdout]     |
[INFO] [stdout] 201 |             Ok(idx) => Ok(Self::Index(idx)),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<opt::IndexOrName, Infallible>
[INFO] [stdout]    --> src/opt.rs:202:23
[INFO] [stdout]     |
[INFO] [stdout] 202 |             Err(_) => Ok(Self::Name(s.to_string())),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vimwiki-cli` (bin "vimwiki" test) due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8c7fc7eac93f2ca991fc45e916bde12861fac14b49ed2e5e8c357d0614c96e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7fc7eac93f2ca991fc45e916bde12861fac14b49ed2e5e8c357d0614c96e24", kill_on_drop: false }`
[INFO] [stdout] 8c7fc7eac93f2ca991fc45e916bde12861fac14b49ed2e5e8c357d0614c96e24
