[INFO] fetching crate anachro-server 0.1.0... [INFO] checking anachro-server-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate anachro-server 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate anachro-server 0.1.0 [INFO] finished tweaking crates.io crate anachro-server 0.1.0 [INFO] tweaked toml for crates.io crate anachro-server 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate anachro-server 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.5.6 (available: v0.9.2) [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] aad5f0b837ef9fd2fbb559e23ff37bf3287e710adcde7f47887d57d41db49f21 [INFO] running `Command { std: "docker" "start" "-a" "aad5f0b837ef9fd2fbb559e23ff37bf3287e710adcde7f47887d57d41db49f21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aad5f0b837ef9fd2fbb559e23ff37bf3287e710adcde7f47887d57d41db49f21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aad5f0b837ef9fd2fbb559e23ff37bf3287e710adcde7f47887d57d41db49f21", kill_on_drop: false }` [INFO] [stdout] aad5f0b837ef9fd2fbb559e23ff37bf3287e710adcde7f47887d57d41db49f21 [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] d4cc276fec132cac97a4f344753eedd9fc440f0664b50d772282320616e586ae [INFO] running `Command { std: "docker" "start" "-a" "d4cc276fec132cac97a4f344753eedd9fc440f0664b50d772282320616e586ae", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Compiling generic-array v0.14.9 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking anachro-icd v0.1.3 [INFO] [stderr] Checking anachro-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut client = self.client_by_id_mut(id)?; [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut client = self.client_by_id_mut(id)?; [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: fields `name` and `version` are never read [INFO] [stdout] --> src/lib.rs:412:5 [INFO] [stdout] | [INFO] [stdout] 411 | struct ConnectedState { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 412 | name: Name<'static>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 413 | version: Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConnectedState` 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, PubSubError> [INFO] [stdout] --> src/lib.rs:216:58 [INFO] [stdout] | [INFO] [stdout] 216 | ... let msg = Arbitrator::PubSub(Ok(arbitrator::PubSubResponse::SubMsg( [INFO] [stdout] | ____________________________________________________^ [INFO] [stdout] 217 | | ... SubMsg { [INFO] [stdout] 218 | | ... path: PubSubPath::Short(short.short), [INFO] [stdout] 219 | | ... payload, [INFO] [stdout] 220 | | ... }, [INFO] [stdout] 221 | | ... ))); [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, PubSubError> [INFO] [stdout] --> src/lib.rs:232:50 [INFO] [stdout] | [INFO] [stdout] 232 | let msg = Arbitrator::PubSub(Ok(arbitrator::PubSubResponse::SubMsg(SubMsg { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 233 | | path: PubSubPath::Long(Path::borrow_from_str(path)), [INFO] [stdout] 234 | | payload, [INFO] [stdout] 235 | | }))); [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:257:24 [INFO] [stdout] | [INFO] [stdout] 257 | fn process_control(&mut self, ctrl: &Control) -> Result, ServerError> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden 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] 257 | fn process_control(&mut self, ctrl: &Control) -> Result>, ServerError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, PubSubError> [INFO] [stdout] --> src/lib.rs:370:39 [INFO] [stdout] | [INFO] [stdout] 370 | let resp = Arbitrator::PubSub(Ok(arbitrator::PubSubResponse::SubAck { [INFO] [stdout] | _______________________________________^ [INFO] [stdout] 371 | | path: path.clone(), [INFO] [stdout] 372 | | })); [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `version` are never read [INFO] [stdout] --> src/lib.rs:412:5 [INFO] [stdout] | [INFO] [stdout] 411 | struct ConnectedState { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 412 | name: Name<'static>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 413 | version: Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ConnectedState` 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] [stderr] error: could not compile `anachro-server` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, PubSubError> [INFO] [stdout] --> src/lib.rs:216:58 [INFO] [stdout] | [INFO] [stdout] 216 | ... let msg = Arbitrator::PubSub(Ok(arbitrator::PubSubResponse::SubMsg( [INFO] [stdout] | ____________________________________________________^ [INFO] [stdout] 217 | | ... SubMsg { [INFO] [stdout] 218 | | ... path: PubSubPath::Short(short.short), [INFO] [stdout] 219 | | ... payload, [INFO] [stdout] 220 | | ... }, [INFO] [stdout] 221 | | ... ))); [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, PubSubError> [INFO] [stdout] --> src/lib.rs:232:50 [INFO] [stdout] | [INFO] [stdout] 232 | let msg = Arbitrator::PubSub(Ok(arbitrator::PubSubResponse::SubMsg(SubMsg { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 233 | | path: PubSubPath::Long(Path::borrow_from_str(path)), [INFO] [stdout] 234 | | payload, [INFO] [stdout] 235 | | }))); [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:257:24 [INFO] [stdout] | [INFO] [stdout] 257 | fn process_control(&mut self, ctrl: &Control) -> Result, ServerError> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden 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] 257 | fn process_control(&mut self, ctrl: &Control) -> Result>, ServerError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, PubSubError> [INFO] [stdout] --> src/lib.rs:370:39 [INFO] [stdout] | [INFO] [stdout] 370 | let resp = Arbitrator::PubSub(Ok(arbitrator::PubSubResponse::SubAck { [INFO] [stdout] | _______________________________________^ [INFO] [stdout] 371 | | path: path.clone(), [INFO] [stdout] 372 | | })); [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `anachro-server` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d4cc276fec132cac97a4f344753eedd9fc440f0664b50d772282320616e586ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4cc276fec132cac97a4f344753eedd9fc440f0664b50d772282320616e586ae", kill_on_drop: false }` [INFO] [stdout] d4cc276fec132cac97a4f344753eedd9fc440f0664b50d772282320616e586ae