[INFO] fetching crate speculate 0.1.2... [INFO] testing speculate-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate speculate 0.1.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate speculate 0.1.2 [INFO] finished tweaking crates.io crate speculate 0.1.2 [INFO] tweaked toml for crates.io crate speculate 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate speculate 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.103) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.42) [INFO] [stderr] Adding syn v0.14.9 (available: v2.0.110) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e558d1a4bc22bf2290e0f20bc982b374c91518070c0cdad78a1934113bef1258 [INFO] running `Command { std: "docker" "start" "-a" "e558d1a4bc22bf2290e0f20bc982b374c91518070c0cdad78a1934113bef1258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e558d1a4bc22bf2290e0f20bc982b374c91518070c0cdad78a1934113bef1258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e558d1a4bc22bf2290e0f20bc982b374c91518070c0cdad78a1934113bef1258", kill_on_drop: false }` [INFO] [stdout] e558d1a4bc22bf2290e0f20bc982b374c91518070c0cdad78a1934113bef1258 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa0d6ca3f42125e1f6850c9555318c3d0be96ef04b011ce32f36a7dba0639f4b [INFO] running `Command { std: "docker" "start" "-a" "fa0d6ca3f42125e1f6850c9555318c3d0be96ef04b011ce32f36a7dba0639f4b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling speculate v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [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" "fa0d6ca3f42125e1f6850c9555318c3d0be96ef04b011ce32f36a7dba0639f4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa0d6ca3f42125e1f6850c9555318c3d0be96ef04b011ce32f36a7dba0639f4b", kill_on_drop: false }` [INFO] [stdout] fa0d6ca3f42125e1f6850c9555318c3d0be96ef04b011ce32f36a7dba0639f4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5fcfc0442450f16f09b3dd8354e9c28ff8e9f285a75134edef71ecba9948605 [INFO] running `Command { std: "docker" "start" "-a" "c5fcfc0442450f16f09b3dd8354e9c28ff8e9f285a75134edef71ecba9948605", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling speculate v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [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" "c5fcfc0442450f16f09b3dd8354e9c28ff8e9f285a75134edef71ecba9948605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5fcfc0442450f16f09b3dd8354e9c28ff8e9f285a75134edef71ecba9948605", kill_on_drop: false }` [INFO] [stdout] c5fcfc0442450f16f09b3dd8354e9c28ff8e9f285a75134edef71ecba9948605 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] df905045354b5f30b128cd9e733b2af87ed4ef9087412099d0eb69471cd355c8 [INFO] running `Command { std: "docker" "start" "-a" "df905045354b5f30b128cd9e733b2af87ed4ef9087412099d0eb69471cd355c8", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [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/speculate-b8ee75a47db34cd3) [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/basic.rs (/opt/rustwide/target/debug/deps/basic-5df2dc5b30d1f86e) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test attributes::speculate_7::test_ignore ... ignored [INFO] [stdout] test ec2::speculate_2::test_works ... ok [INFO] [stdout] test ec5::speculate_6::test_foo ... ok [INFO] [stdout] test speculate_0::something::nested::test_works_at_level_3 ... ok [INFO] [stdout] test ec2::speculate_3::test_works_again ... ok [INFO] [stdout] test speculate_0::something::test_works_at_level_2_after_context ... ok [INFO] [stdout] test speculate_0::test_works_at_level_1 ... ok [INFO] [stdout] test speculate_0::something::test_works_at_level_2 ... ok [INFO] [stdout] test speculate_0::test_works_at_level_1_after_describe ... ok [INFO] [stdout] test ec3::speculate_4::test_foo ... ok [INFO] [stdout] test attributes::speculate_7::test_should_panic_with_foo - should panic ... ok [INFO] [stdout] test attributes::speculate_7::test_should_panic - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running tests/example.rs (/opt/rustwide/target/debug/deps/example-c7927308f33d3f20) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test speculate_0::math::test_can_add_stuff ... ok [INFO] [stdout] test speculate_0::math::test_can_subtract_stuff ... ok [INFO] [stderr] Doc-tests speculate [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - speculate (line 93) ... FAILED [INFO] [stdout] test src/lib.rs - speculate (line 56) ... ok [INFO] [stdout] test src/lib.rs - speculate (line 108) ... ok [INFO] [stdout] test src/lib.rs - speculate (line 68) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - speculate (line 93) stdout ---- [INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable [INFO] [stdout] --> src/lib.rs:97:7 [INFO] [stdout] | [INFO] [stdout] 97 | bench "xor 1 to 1000" |b| { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #50297 for more information [INFO] [stdout] = help: add `#![feature(test)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-07; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - speculate (line 93) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "df905045354b5f30b128cd9e733b2af87ed4ef9087412099d0eb69471cd355c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df905045354b5f30b128cd9e733b2af87ed4ef9087412099d0eb69471cd355c8", kill_on_drop: false }` [INFO] [stdout] df905045354b5f30b128cd9e733b2af87ed4ef9087412099d0eb69471cd355c8