[INFO] cloning repository https://github.com/embassy-rs/docserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/embassy-rs/docserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembassy-rs%2Fdocserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembassy-rs%2Fdocserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 223cac1920e4df2bc4f24678840742fc9a54687e [INFO] checking embassy-rs/docserver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembassy-rs%2Fdocserver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/embassy-rs/docserver [INFO] finished tweaking git repo https://github.com/embassy-rs/docserver [INFO] tweaked toml for git repo https://github.com/embassy-rs/docserver written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/embassy-rs/docserver 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 git repo https://github.com/embassy-rs/docserver 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] [stderr] Blocking waiting for file lock on package cache [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] a237a77d2b9be9ceb0032308b083e6747ffa8706032d17840500228b0072899c [INFO] running `Command { std: "docker" "start" "-a" "a237a77d2b9be9ceb0032308b083e6747ffa8706032d17840500228b0072899c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a237a77d2b9be9ceb0032308b083e6747ffa8706032d17840500228b0072899c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a237a77d2b9be9ceb0032308b083e6747ffa8706032d17840500228b0072899c", kill_on_drop: false }` [INFO] [stdout] a237a77d2b9be9ceb0032308b083e6747ffa8706032d17840500228b0072899c [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] 3994066eb9565376358da1c2a981cc1ec00535e5dccd22e5cc3e41770192d6ce [INFO] running `Command { std: "docker" "start" "-a" "3994066eb9565376358da1c2a981cc1ec00535e5dccd22e5cc3e41770192d6ce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling siphasher v1.0.1 [INFO] [stderr] Compiling thiserror v2.0.16 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling find-msvc-tools v0.1.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking phf_shared v0.11.3 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling phf v0.11.3 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Checking unic-ucd-segment v0.9.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling phf_codegen v0.11.3 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking deunicode v1.6.2 [INFO] [stderr] Checking indexmap v2.11.1 [INFO] [stderr] Checking humantime v2.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking winnow v0.7.13 [INFO] [stderr] Checking unic-segment v0.9.0 [INFO] [stderr] Checking slug v0.1.6 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking clap_builder v4.5.47 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Checking humansize v2.1.3 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking toml_writer v1.0.2 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Compiling cc v1.2.36 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Compiling zstd-sys v2.0.16+zstd.1.5.7 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking toml_parser v1.0.2 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Compiling regex v1.11.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling parse-zoneinfo v0.3.1 [INFO] [stderr] Compiling chrono-tz-build v0.3.0 [INFO] [stderr] Checking globset v0.4.16 [INFO] [stderr] Compiling chrono-tz v0.9.0 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking ignore v0.4.23 [INFO] [stderr] Checking pretty_env_logger v0.5.0 [INFO] [stderr] Compiling thiserror-impl v2.0.16 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling clap_derive v4.5.47 [INFO] [stderr] Checking globwalk v0.9.1 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking pest v2.8.1 [INFO] [stderr] Checking clap v4.5.47 [INFO] [stderr] Compiling pest_meta v2.8.1 [INFO] [stderr] Compiling pest_generator v2.8.1 [INFO] [stderr] Compiling zstd-safe v7.2.4 [INFO] [stderr] Checking zstd v0.13.3 [INFO] [stderr] Compiling pest_derive v2.8.1 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking toml_datetime v0.7.0 [INFO] [stderr] Checking serde_spanned v1.0.0 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Checking toml v0.9.5 [INFO] [stderr] Checking tera v1.20.0 [INFO] [stderr] Checking hyper v1.7.0 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Checking docserver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/common/zup/read.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/common/zup/read.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/common/zup/write.rs:158:17 [INFO] [stdout] | [INFO] [stdout] 158 | let mut res = self.write_node(&buf)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DependencyEnum` is never used [INFO] [stdout] --> src/common/manifest.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum DependencyEnum { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `version`, `git`, `rev`, `features`, `no_default_features`, and `optional` are never read [INFO] [stdout] --> src/common/manifest.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Dependency { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 26 | pub version: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 27 | pub path: Option, [INFO] [stdout] 28 | pub git: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 29 | pub rev: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 30 | pub features: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 31 | pub no_default_features: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 32 | pub optional: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/common/manifest.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Package { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 81 | pub name: String, [INFO] [stdout] 82 | pub version: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read_u16`, `read_u32`, `read_u64`, and `read_slice_len16` are never used [INFO] [stdout] --> src/common/zup/read.rs:223:8 [INFO] [stdout] | [INFO] [stdout] 203 | impl<'a> ByteReader<'a> { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 223 | fn read_u16(&self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | fn read_u32(&self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 229 | fn read_u64(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | fn read_slice_len16(&self) -> Result<&[u8], ReadError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/commands/serve.rs:456:54 [INFO] [stdout] | [INFO] [stdout] 456 | service_fn(move |req| async move { [INFO] [stdout] | ______________________________________________________^ [INFO] [stdout] 457 | | Result::<_, Infallible>::Ok(thing.serve(req).await) [INFO] [stdout] 458 | | }), [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>, Infallible> [INFO] [stdout] --> src/commands/serve.rs:457:25 [INFO] [stdout] | [INFO] [stdout] 457 | Result::<_, Infallible>::Ok(thing.serve(req).await) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `docserver` (bin "docserver" test) due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/common/zup/write.rs:158:17 [INFO] [stdout] | [INFO] [stdout] 158 | let mut res = self.write_node(&buf)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DependencyEnum` is never used [INFO] [stdout] --> src/common/manifest.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum DependencyEnum { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `version`, `git`, `rev`, `features`, `no_default_features`, and `optional` are never read [INFO] [stdout] --> src/common/manifest.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Dependency { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 26 | pub version: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 27 | pub path: Option, [INFO] [stdout] 28 | pub git: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 29 | pub rev: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 30 | pub features: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 31 | pub no_default_features: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 32 | pub optional: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/common/manifest.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Package { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 81 | pub name: String, [INFO] [stdout] 82 | pub version: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read_u16`, `read_u32`, `read_u64`, and `read_slice_len16` are never used [INFO] [stdout] --> src/common/zup/read.rs:223:8 [INFO] [stdout] | [INFO] [stdout] 203 | impl<'a> ByteReader<'a> { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 223 | fn read_u16(&self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | fn read_u32(&self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 229 | fn read_u64(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 244 | fn read_slice_len16(&self) -> Result<&[u8], ReadError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/commands/serve.rs:456:54 [INFO] [stdout] | [INFO] [stdout] 456 | service_fn(move |req| async move { [INFO] [stdout] | ______________________________________________________^ [INFO] [stdout] 457 | | Result::<_, Infallible>::Ok(thing.serve(req).await) [INFO] [stdout] 458 | | }), [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>, Infallible> [INFO] [stdout] --> src/commands/serve.rs:457:25 [INFO] [stdout] | [INFO] [stdout] 457 | Result::<_, Infallible>::Ok(thing.serve(req).await) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `docserver` (bin "docserver") due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3994066eb9565376358da1c2a981cc1ec00535e5dccd22e5cc3e41770192d6ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3994066eb9565376358da1c2a981cc1ec00535e5dccd22e5cc3e41770192d6ce", kill_on_drop: false }` [INFO] [stdout] 3994066eb9565376358da1c2a981cc1ec00535e5dccd22e5cc3e41770192d6ce