[INFO] fetching crate spanner 0.2.0... [INFO] testing spanner-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate spanner 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate spanner 0.2.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate spanner 0.2.0 [INFO] tweaked toml for crates.io crate spanner 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate spanner 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate spanner 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.14 [INFO] [stderr] Downloaded once_cell v1.20.2 [INFO] [stderr] Downloaded tyfling v0.1.0 [INFO] [stderr] Downloaded miette-derive v7.4.0 [INFO] [stderr] Downloaded pin-project-lite v0.2.15 [INFO] [stderr] Downloaded bytemuck v1.21.0 [INFO] [stderr] Downloaded miette v7.4.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.92 [INFO] [stderr] Downloaded syn v2.0.91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39fd64e055e1075f23cacd586c5d93d8ad950d3a5c5ffe08fe708dd1291c04e9 [INFO] running `Command { std: "docker" "start" "-a" "39fd64e055e1075f23cacd586c5d93d8ad950d3a5c5ffe08fe708dd1291c04e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39fd64e055e1075f23cacd586c5d93d8ad950d3a5c5ffe08fe708dd1291c04e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39fd64e055e1075f23cacd586c5d93d8ad950d3a5c5ffe08fe708dd1291c04e9", kill_on_drop: false }` [INFO] [stdout] 39fd64e055e1075f23cacd586c5d93d8ad950d3a5c5ffe08fe708dd1291c04e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f1641a71135a9935494cf7cf1f2276896e95e39063ebf0bb5ea43c29e0a099f [INFO] running `Command { std: "docker" "start" "-a" "0f1641a71135a9935494cf7cf1f2276896e95e39063ebf0bb5ea43c29e0a099f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling pin-project-lite v0.2.15 [INFO] [stderr] Compiling bytemuck v1.21.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.91 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling tyfling v0.1.0 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling spanner v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `round_char_boundary` has been stable since 1.91.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(round_char_boundary)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.17s [INFO] running `Command { std: "docker" "inspect" "0f1641a71135a9935494cf7cf1f2276896e95e39063ebf0bb5ea43c29e0a099f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f1641a71135a9935494cf7cf1f2276896e95e39063ebf0bb5ea43c29e0a099f", kill_on_drop: false }` [INFO] [stdout] 0f1641a71135a9935494cf7cf1f2276896e95e39063ebf0bb5ea43c29e0a099f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfe0ad16b4989bd306cc85f4472ee69fa3905ab5f74e9f7d6717f3371748d6bc [INFO] running `Command { std: "docker" "start" "-a" "cfe0ad16b4989bd306cc85f4472ee69fa3905ab5f74e9f7d6717f3371748d6bc", kill_on_drop: false }` [INFO] [stdout] warning: the feature `round_char_boundary` has been stable since 1.91.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(round_char_boundary)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling spanner v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `round_char_boundary` has been stable since 1.91.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(round_char_boundary)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "cfe0ad16b4989bd306cc85f4472ee69fa3905ab5f74e9f7d6717f3371748d6bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfe0ad16b4989bd306cc85f4472ee69fa3905ab5f74e9f7d6717f3371748d6bc", kill_on_drop: false }` [INFO] [stdout] cfe0ad16b4989bd306cc85f4472ee69fa3905ab5f74e9f7d6717f3371748d6bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e9d0bf90c613a83b58fd9edc51cde4b647e8b9c1063c0134cca68f8a6f3e67f7 [INFO] running `Command { std: "docker" "start" "-a" "e9d0bf90c613a83b58fd9edc51cde4b647e8b9c1063c0134cca68f8a6f3e67f7", kill_on_drop: false }` [INFO] [stderr] warning: the feature `round_char_boundary` has been stable since 1.91.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | #![feature(round_char_boundary)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `spanner` (lib) generated 1 warning [INFO] [stderr] warning: `spanner` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spanner-fc6e830aebc330d5) [INFO] [stdout] [INFO] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-4468f13d755fee66) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests spanner [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] [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - Spanner (line 21) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Spanner (line 21) stdout ---- [INFO] [stdout] error[E0053]: method `name` has an incompatible type for trait [INFO] [stdout] --> src/lib.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn name(&self) -> &str { [INFO] [stdout] | ^^^^ expected `Option<&str>`, found `&str` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&MySource) -> Option<&str>` [INFO] [stdout] found signature `fn(&MySource) -> &str` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 35 - fn name(&self) -> &str { [INFO] [stdout] 35 + fn name(&self) -> Option<&str> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `MySource: Default` is not satisfied [INFO] [stdout] --> src/lib.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | impl BufferSource for MySource { [INFO] [stdout] | ^^^^^^^^ the trait `Default` is not implemented for `MySource` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `BufferSource` [INFO] [stdout] --> src/buffer.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait BufferSource: Debug + Default { [INFO] [stdout] | ^^^^^^^ required by this bound in `BufferSource` [INFO] [stdout] help: consider annotating `MySource` with `#[derive(Default)]` [INFO] [stdout] | [INFO] [stdout] 25 + #[derive(Default)] [INFO] [stdout] 26 | struct MySource { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: `MySource` doesn't implement `Debug` [INFO] [stdout] --> src/lib.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | impl BufferSource for MySource { [INFO] [stdout] | ^^^^^^^^ the trait `Debug` is not implemented for `MySource` [INFO] [stdout] | [INFO] [stdout] = note: add `#[derive(Debug)]` to `MySource` or manually `impl Debug for MySource` [INFO] [stdout] note: required by a bound in `BufferSource` [INFO] [stdout] --> src/buffer.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait BufferSource: Debug + Default { [INFO] [stdout] | ^^^^^ required by this bound in `BufferSource` [INFO] [stdout] help: consider annotating `MySource` with `#[derive(Debug)]` [INFO] [stdout] | [INFO] [stdout] 25 + #[derive(Debug)] [INFO] [stdout] 26 | struct MySource { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `spanner` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/lib.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | let buf = spanner.add(|_| MySource { [INFO] [stdout] | ^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 40 | let mut spanner = Spanner::new(); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0596. [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - Spanner (line 21) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "e9d0bf90c613a83b58fd9edc51cde4b647e8b9c1063c0134cca68f8a6f3e67f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9d0bf90c613a83b58fd9edc51cde4b647e8b9c1063c0134cca68f8a6f3e67f7", kill_on_drop: false }` [INFO] [stdout] e9d0bf90c613a83b58fd9edc51cde4b647e8b9c1063c0134cca68f8a6f3e67f7