[INFO] fetching crate span 0.2.0... [INFO] testing span-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate span 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate span 0.2.0 [INFO] finished tweaking crates.io crate span 0.2.0 [INFO] tweaked toml for crates.io crate span 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate span 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate span 0.2.0 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8078e364ad2546f9765ddeac65d40ca3e72689422cb110bef9b6422e25c7e9ed [INFO] running `Command { std: "docker" "start" "-a" "8078e364ad2546f9765ddeac65d40ca3e72689422cb110bef9b6422e25c7e9ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8078e364ad2546f9765ddeac65d40ca3e72689422cb110bef9b6422e25c7e9ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8078e364ad2546f9765ddeac65d40ca3e72689422cb110bef9b6422e25c7e9ed", kill_on_drop: false }` [INFO] [stdout] 8078e364ad2546f9765ddeac65d40ca3e72689422cb110bef9b6422e25c7e9ed [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07407e2fb3edc8d7206026e0138a6bbe8e876374cb65b7e03e483ef497dcaaa0 [INFO] running `Command { std: "docker" "start" "-a" "07407e2fb3edc8d7206026e0138a6bbe8e876374cb65b7e03e483ef497dcaaa0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.103 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling span v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(random)] // Enable the random feature for nightly [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/interface/quic.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | error::{self, Failure, Network}, [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: `SipHasher` [INFO] [stdout] --> src/raft.rs:8:41 [INFO] [stdout] | [INFO] [stdout] 8 | hash::{DefaultHasher, Hash, Hasher, SipHasher}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/raft.rs:8:41 [INFO] [stdout] | [INFO] [stdout] 8 | hash::{DefaultHasher, Hash, Hasher, SipHasher}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/raft.rs:1546:21 [INFO] [stdout] | [INFO] [stdout] 1545 | let resp = todo!(); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 1546 | responses.push((*node, Resp::Client(resp))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/raft.rs:676:29 [INFO] [stdout] | [INFO] [stdout] 676 | LeadReq::Step { node, reason } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `node: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/raft.rs:676:35 [INFO] [stdout] | [INFO] [stdout] 676 | LeadReq::Step { node, reason } => { [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `reason: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leader` [INFO] [stdout] --> src/raft.rs:793:31 [INFO] [stdout] | [INFO] [stdout] 793 | ReplReq::Commit { leader, index } => { [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `leader: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/raft.rs:943:35 [INFO] [stdout] | [INFO] [stdout] 943 | MgmtReq::Join { node, addr, peers } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `addr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/raft.rs:980:34 [INFO] [stdout] | [INFO] [stdout] 980 | MgmtReq::Add { node, addr } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `addr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `commit_index` [INFO] [stdout] --> src/raft.rs:1213:13 [INFO] [stdout] | [INFO] [stdout] 1213 | let commit_index = state.volatile.commit_index; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commit_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_index` [INFO] [stdout] --> src/raft.rs:1216:31 [INFO] [stdout] | [INFO] [stdout] 1216 | let (mut new_entries, last_index, node_id, current_term, cluster_nodes, leader_data) = { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_term` [INFO] [stdout] --> src/raft.rs:1216:52 [INFO] [stdout] | [INFO] [stdout] 1216 | let (mut new_entries, last_index, node_id, current_term, cluster_nodes, leader_data) = { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_term` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raft.rs:1216:14 [INFO] [stdout] | [INFO] [stdout] 1216 | let (mut new_entries, last_index, node_id, current_term, cluster_nodes, leader_data) = { [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: unused variable: `client_req` [INFO] [stdout] --> src/raft.rs:1543:29 [INFO] [stdout] | [INFO] [stdout] 1543 | Req::Client(client_req) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/raft.rs:1545:25 [INFO] [stdout] | [INFO] [stdout] 1545 | let resp = todo!(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `snapshot_last` [INFO] [stdout] --> src/raft.rs:1555:21 [INFO] [stdout] | [INFO] [stdout] 1555 | snapshot_last, [INFO] [stdout] | ^^^^^^^^^^^^^ help: try ignoring the field: `snapshot_last: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_term` [INFO] [stdout] --> src/raft.rs:1556:21 [INFO] [stdout] | [INFO] [stdout] 1556 | current_term, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `current_term: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `voted_for` [INFO] [stdout] --> src/raft.rs:1557:21 [INFO] [stdout] | [INFO] [stdout] 1557 | voted_for, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `voted_for: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `snapshot` [INFO] [stdout] --> src/raft.rs:1558:21 [INFO] [stdout] | [INFO] [stdout] 1558 | snapshot, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `snapshot: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `settings` [INFO] [stdout] --> src/raft.rs:1559:21 [INFO] [stdout] | [INFO] [stdout] 1559 | settings, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `settings: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_known_leader` [INFO] [stdout] --> src/raft.rs:1566:21 [INFO] [stdout] | [INFO] [stdout] 1566 | last_known_leader, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: try ignoring the field: `last_known_leader: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `leader_id` [INFO] [stdout] --> src/raft.rs:1679:29 [INFO] [stdout] | [INFO] [stdout] 1679 | if let Some(leader_id) = learner_state.leader_id { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `span` (lib) due to 1 previous error; 22 warnings emitted [INFO] running `Command { std: "docker" "inspect" "07407e2fb3edc8d7206026e0138a6bbe8e876374cb65b7e03e483ef497dcaaa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07407e2fb3edc8d7206026e0138a6bbe8e876374cb65b7e03e483ef497dcaaa0", kill_on_drop: false }` [INFO] [stdout] 07407e2fb3edc8d7206026e0138a6bbe8e876374cb65b7e03e483ef497dcaaa0