[INFO] fetching crate edelcrantz 0.6.1... [INFO] testing edelcrantz-0.6.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate edelcrantz 0.6.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate edelcrantz 0.6.1 [INFO] finished tweaking crates.io crate edelcrantz 0.6.1 [INFO] tweaked toml for crates.io crate edelcrantz 0.6.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate edelcrantz 0.6.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 125 packages to latest compatible versions [INFO] [stderr] Adding postcard v0.5.2 (available: v1.1.3) [INFO] [stderr] Adding sluice v0.5.5 (available: v0.6.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] [stderr] Adding tracing-subscriber v0.2.25 (available: v0.3.20) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d67d6e2eb4aefa0aaba97f1f432208357b81acebca38e3da53a194aa05f17081 [INFO] running `Command { std: "docker" "start" "-a" "d67d6e2eb4aefa0aaba97f1f432208357b81acebca38e3da53a194aa05f17081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d67d6e2eb4aefa0aaba97f1f432208357b81acebca38e3da53a194aa05f17081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d67d6e2eb4aefa0aaba97f1f432208357b81acebca38e3da53a194aa05f17081", kill_on_drop: false }` [INFO] [stdout] d67d6e2eb4aefa0aaba97f1f432208357b81acebca38e3da53a194aa05f17081 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1fb1771f1a4a264e189567e527351f2a9bf174583d8f2684324fc17f28e9b74e [INFO] running `Command { std: "docker" "start" "-a" "1fb1771f1a4a264e189567e527351f2a9bf174583d8f2684324fc17f28e9b74e", kill_on_drop: false }` [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling byteorder_async v1.2.0 [INFO] [stderr] Compiling postcard-cobs v0.1.5-pre [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling postcard v0.5.2 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling edelcrantz v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/lib.rs:269:3 [INFO] [stdout] | [INFO] [stdout] 269 | #[serde(bound = "")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 270 | #[derive(Debug, Serialize, Deserialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/lib.rs:382:25 [INFO] [stdout] | [INFO] [stdout] 382 | None => (Ok(())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 382 - None => (Ok(())), [INFO] [stdout] 382 + None => Ok(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: edelcrantz v0.6.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "1fb1771f1a4a264e189567e527351f2a9bf174583d8f2684324fc17f28e9b74e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb1771f1a4a264e189567e527351f2a9bf174583d8f2684324fc17f28e9b74e", kill_on_drop: false }` [INFO] [stdout] 1fb1771f1a4a264e189567e527351f2a9bf174583d8f2684324fc17f28e9b74e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d88a662f99036eae68b8a757abda67942079dd8fb587d5266e75c35ccc24d0e [INFO] running `Command { std: "docker" "start" "-a" "5d88a662f99036eae68b8a757abda67942079dd8fb587d5266e75c35ccc24d0e", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/lib.rs:269:3 [INFO] [stdout] | [INFO] [stdout] 269 | #[serde(bound = "")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 270 | #[derive(Debug, Serialize, Deserialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/lib.rs:382:25 [INFO] [stdout] | [INFO] [stdout] 382 | None => (Ok(())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 382 - None => (Ok(())), [INFO] [stdout] 382 + None => Ok(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling sluice v0.5.5 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling tracing-log v0.1.4 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling polling v3.11.0 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-std v1.13.2 [INFO] [stderr] Compiling duplexify v1.2.2 [INFO] [stderr] Compiling edelcrantz v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/lib.rs:269:3 [INFO] [stdout] | [INFO] [stdout] 269 | #[serde(bound = "")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 270 | #[derive(Debug, Serialize, Deserialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/lib.rs:382:25 [INFO] [stdout] | [INFO] [stdout] 382 | None => (Ok(())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 382 - None => (Ok(())), [INFO] [stdout] 382 + None => Ok(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 16.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: edelcrantz v0.6.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "5d88a662f99036eae68b8a757abda67942079dd8fb587d5266e75c35ccc24d0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d88a662f99036eae68b8a757abda67942079dd8fb587d5266e75c35ccc24d0e", kill_on_drop: false }` [INFO] [stdout] 5d88a662f99036eae68b8a757abda67942079dd8fb587d5266e75c35ccc24d0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 851fd6de417360d02df468ac2baa0de0a35e80a3617714bad1eedf06c076b805 [INFO] running `Command { std: "docker" "start" "-a" "851fd6de417360d02df468ac2baa0de0a35e80a3617714bad1eedf06c076b805", kill_on_drop: false }` [INFO] [stderr] warning: derive helper attribute is used before it is introduced [INFO] [stderr] --> src/lib.rs:269:3 [INFO] [stderr] | [INFO] [stderr] 269 | #[serde(bound = "")] [INFO] [stderr] | ^^^^^ [INFO] [stderr] 270 | #[derive(Debug, Serialize, Deserialize)] [INFO] [stderr] | --------- the attribute is introduced here [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #79202 [INFO] [stderr] = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around match arm expression [INFO] [stderr] --> src/lib.rs:382:25 [INFO] [stderr] | [INFO] [stderr] 382 | None => (Ok(())), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 382 - None => (Ok(())), [INFO] [stderr] 382 + None => Ok(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `edelcrantz` (lib) generated 2 warnings (run `cargo fix --lib -p edelcrantz` to apply 1 suggestion) [INFO] [stderr] warning: `edelcrantz` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: edelcrantz v0.6.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/edelcrantz-521533aee005c703) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test::one_way ... ok [INFO] [stdout] test test::req_res ... ok [INFO] [stdout] test test::december_deadlock ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests edelcrantz [INFO] [stderr] warning: unnecessary parentheses around match arm expression [INFO] [stderr] --> src/lib.rs:382:25 [INFO] [stderr] | [INFO] [stderr] 382 | None => (Ok(())), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 382 - None => (Ok(())), [INFO] [stderr] 382 + None => Ok(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "851fd6de417360d02df468ac2baa0de0a35e80a3617714bad1eedf06c076b805", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "851fd6de417360d02df468ac2baa0de0a35e80a3617714bad1eedf06c076b805", kill_on_drop: false }` [INFO] [stdout] 851fd6de417360d02df468ac2baa0de0a35e80a3617714bad1eedf06c076b805