[INFO] fetching crate spanner 0.2.0... [INFO] testing spanner-0.2.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate spanner 0.2.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate spanner 0.2.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded miette-derive v7.4.0 [INFO] [stderr] Downloaded tyfling v0.1.0 [INFO] [stderr] Downloaded unicode-width v0.1.14 [INFO] [stderr] Downloaded syn v2.0.91 [INFO] [stderr] Downloaded miette v7.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91015dd886e5963c96631f6ed14a2cc78bb63a22c7c760d2d446c6da0e8b0b33 [INFO] running `Command { std: "docker" "start" "-a" "91015dd886e5963c96631f6ed14a2cc78bb63a22c7c760d2d446c6da0e8b0b33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91015dd886e5963c96631f6ed14a2cc78bb63a22c7c760d2d446c6da0e8b0b33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91015dd886e5963c96631f6ed14a2cc78bb63a22c7c760d2d446c6da0e8b0b33", kill_on_drop: false }` [INFO] [stdout] 91015dd886e5963c96631f6ed14a2cc78bb63a22c7c760d2d446c6da0e8b0b33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b883aab9ec75dbc7cb7aa5e552c13254836b01ef345b05af2f848938400d381 [INFO] running `Command { std: "docker" "start" "-a" "7b883aab9ec75dbc7cb7aa5e552c13254836b01ef345b05af2f848938400d381", kill_on_drop: false }` [INFO] [stderr] Compiling bytemuck v1.21.0 [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 1.92.0-nightly 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 9.07s [INFO] running `Command { std: "docker" "inspect" "7b883aab9ec75dbc7cb7aa5e552c13254836b01ef345b05af2f848938400d381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b883aab9ec75dbc7cb7aa5e552c13254836b01ef345b05af2f848938400d381", kill_on_drop: false }` [INFO] [stdout] 7b883aab9ec75dbc7cb7aa5e552c13254836b01ef345b05af2f848938400d381 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bec37e931f6615e80747cbb0efa72f5f85b7189104a098df4d929fa75304e0a7 [INFO] running `Command { std: "docker" "start" "-a" "bec37e931f6615e80747cbb0efa72f5f85b7189104a098df4d929fa75304e0a7", kill_on_drop: false }` [INFO] [stdout] warning: the feature `round_char_boundary` has been stable since 1.92.0-nightly 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 1.92.0-nightly 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 0.83s [INFO] running `Command { std: "docker" "inspect" "bec37e931f6615e80747cbb0efa72f5f85b7189104a098df4d929fa75304e0a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bec37e931f6615e80747cbb0efa72f5f85b7189104a098df4d929fa75304e0a7", kill_on_drop: false }` [INFO] [stdout] bec37e931f6615e80747cbb0efa72f5f85b7189104a098df4d929fa75304e0a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 14303433b9c281ce5b168c123f95fdf6e858383b4ba763afceafc1bd3e9f62a8 [INFO] running `Command { std: "docker" "start" "-a" "14303433b9c281ce5b168c123f95fdf6e858383b4ba763afceafc1bd3e9f62a8", kill_on_drop: false }` [INFO] [stderr] warning: the feature `round_char_boundary` has been stable since 1.92.0-nightly 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 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spanner-3b043560d0f20586) [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] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-e69f6f45ef897af6) [INFO] [stderr] Doc-tests spanner [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] 17 | 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] 17 - fn name(&self) -> &str { [INFO] [stdout] 17 + 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] 12 | 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] --> /opt/rustwide/workdir/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] 7 + #[derive(Default)] [INFO] [stdout] 8 | 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] 12 | 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] --> /opt/rustwide/workdir/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] 7 + #[derive(Debug)] [INFO] [stdout] 8 | 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] 24 | 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] 22 | 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 0.08s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "14303433b9c281ce5b168c123f95fdf6e858383b4ba763afceafc1bd3e9f62a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14303433b9c281ce5b168c123f95fdf6e858383b4ba763afceafc1bd3e9f62a8", kill_on_drop: false }` [INFO] [stdout] 14303433b9c281ce5b168c123f95fdf6e858383b4ba763afceafc1bd3e9f62a8