[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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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
