[INFO] fetching crate dotcom 0.3.0...
[INFO] checking dotcom-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate dotcom 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dotcom 0.3.0
[INFO] finished tweaking crates.io crate dotcom 0.3.0
[INFO] tweaked toml for crates.io crate dotcom 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotcom 0.3.0 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 dotcom 0.3.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6dc2ead872ac71551fb6778e724b96d3f51f06086ec146244a8354acb164d077
[INFO] running `Command { std: "docker" "start" "-a" "6dc2ead872ac71551fb6778e724b96d3f51f06086ec146244a8354acb164d077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dc2ead872ac71551fb6778e724b96d3f51f06086ec146244a8354acb164d077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc2ead872ac71551fb6778e724b96d3f51f06086ec146244a8354acb164d077", kill_on_drop: false }`
[INFO] [stdout] 6dc2ead872ac71551fb6778e724b96d3f51f06086ec146244a8354acb164d077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3f690476865c34e53c6d2c677d728b0963e6d4eb943767553d10728020312d7c
[INFO] running `Command { std: "docker" "start" "-a" "3f690476865c34e53c6d2c677d728b0963e6d4eb943767553d10728020312d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking dotcom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RateLimits` is never constructed
[INFO] [stdout]   --> src/config/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RateLimits {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OutputFormat` is never used
[INFO] [stdout]   --> src/config/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum OutputFormat {
[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/cli/check.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub domain: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/search.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub keywords: Vec<String>,
[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/cli/search.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub tlds: Option<Vec<String>>,
[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/cli/monitor.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub domains: Vec<String>,
[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/cli/analyze.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub domains: Vec<String>,
[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/cli/dict.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub words: Vec<String>,
[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/cli/domainr.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         query: String,
[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/cli/domainr.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         domains: Vec<String>,
[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/cli/domainr.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         keywords: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RateLimits` is never constructed
[INFO] [stdout]   --> src/config/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RateLimits {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OutputFormat` is never used
[INFO] [stdout]   --> src/config/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum OutputFormat {
[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/cli/check.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub domain: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/search.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub keywords: Vec<String>,
[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/cli/search.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub tlds: Option<Vec<String>>,
[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/cli/monitor.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub domains: Vec<String>,
[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/cli/analyze.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub domains: Vec<String>,
[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/cli/dict.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub words: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotcom` (bin "dotcom") due to 9 previous errors; 2 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/domainr.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         query: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli/domainr.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         domains: Vec<String>,
[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/cli/domainr.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         keywords: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotcom` (bin "dotcom" test) due to 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3f690476865c34e53c6d2c677d728b0963e6d4eb943767553d10728020312d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f690476865c34e53c6d2c677d728b0963e6d4eb943767553d10728020312d7c", kill_on_drop: false }`
[INFO] [stdout] 3f690476865c34e53c6d2c677d728b0963e6d4eb943767553d10728020312d7c