[INFO] fetching crate ruled-labels 0.5.1... [INFO] checking ruled-labels-0.5.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ruled-labels 0.5.1 into /workspace/builds/worker-2-tc2/source [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate ruled-labels 0.5.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ruled-labels 0.5.1 [INFO] tweaked toml for crates.io crate ruled-labels 0.5.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ruled-labels 0.5.1 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 ruled-labels 0.5.1 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5b5da626cd3be4b337e25ab1dc56426e0bcb76c524fde0c531684f9de5e2dbae [INFO] running `Command { std: "docker" "start" "-a" "5b5da626cd3be4b337e25ab1dc56426e0bcb76c524fde0c531684f9de5e2dbae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b5da626cd3be4b337e25ab1dc56426e0bcb76c524fde0c531684f9de5e2dbae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b5da626cd3be4b337e25ab1dc56426e0bcb76c524fde0c531684f9de5e2dbae", kill_on_drop: false }` [INFO] [stdout] 5b5da626cd3be4b337e25ab1dc56426e0bcb76c524fde0c531684f9de5e2dbae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5572984c82f5c2654de9285860e1da655a6d969c8d4475f58d41aa0bbe079b36 [INFO] running `Command { std: "docker" "start" "-a" "5572984c82f5c2654de9285860e1da655a6d969c8d4475f58d41aa0bbe079b36", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.168 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking unicode-bidi v0.3.17 [INFO] [stderr] Checking chrono v0.4.39 [INFO] [stderr] Compiling hyperx v1.4.0 [INFO] [stderr] Compiling anyhow v1.0.94 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking numtoa v0.2.4 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking predicates v3.1.2 [INFO] [stderr] Checking clap_builder v4.5.23 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking url v2.3.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking termion v4.0.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking simple_asn1 v0.4.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking bstr v1.11.0 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking assert_cmd v2.0.16 [INFO] [stderr] Checking pem v0.8.3 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking rustls v0.18.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling pin-project-internal v1.1.7 [INFO] [stderr] Compiling clap_derive v4.5.18 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking pin-project v1.1.7 [INFO] [stderr] Checking tokio-rustls v0.14.1 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking clap v4.5.23 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.133 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking jsonwebtoken v7.2.0 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-rustls v0.21.0 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking hubcaps v0.6.2 [INFO] [stderr] Checking ruled-labels v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Rules` is never constructed [INFO] [stdout] --> src/rllib/rules.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Rules { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `description` is never read [INFO] [stdout] --> src/rllib/tests.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct TestSpec { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 29 | pub name: String, [INFO] [stdout] 30 | pub description: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestSpec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rllib/label_match_set.rs:33:14 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&self) -> Iter<'_, LabelMatch> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/rllib/specs.rs:179:17 [INFO] [stdout] | [INFO] [stdout] 179 | .map(|label| LabelId::try_from(label.name.as_str()).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ruled-labels` (bin "ruled-labels") due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `Rules` is never constructed [INFO] [stdout] --> src/rllib/rules.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Rules { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `description` is never read [INFO] [stdout] --> src/rllib/tests.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct TestSpec { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 29 | pub name: String, [INFO] [stdout] 30 | pub description: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestSpec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rllib/label_match_set.rs:33:14 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn iter(&self) -> Iter<'_, LabelMatch> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/rllib/specs.rs:179:17 [INFO] [stdout] | [INFO] [stdout] 179 | .map(|label| LabelId::try_from(label.name.as_str()).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ruled-labels` (bin "ruled-labels" test) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5572984c82f5c2654de9285860e1da655a6d969c8d4475f58d41aa0bbe079b36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5572984c82f5c2654de9285860e1da655a6d969c8d4475f58d41aa0bbe079b36", kill_on_drop: false }` [INFO] [stdout] 5572984c82f5c2654de9285860e1da655a6d969c8d4475f58d41aa0bbe079b36