[INFO] fetching crate speculate 0.1.2...
[INFO] testing speculate-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate speculate 0.1.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate speculate 0.1.2 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 4 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.101)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.14.9 (available: v2.0.106)
[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" "+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] 194828950a911c1bdb8127e17e6c078db01e56e0a728a62ba6a0b6971b5db300
[INFO] running `Command { std: "docker" "start" "-a" "194828950a911c1bdb8127e17e6c078db01e56e0a728a62ba6a0b6971b5db300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "194828950a911c1bdb8127e17e6c078db01e56e0a728a62ba6a0b6971b5db300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194828950a911c1bdb8127e17e6c078db01e56e0a728a62ba6a0b6971b5db300", kill_on_drop: false }`
[INFO] [stdout] 194828950a911c1bdb8127e17e6c078db01e56e0a728a62ba6a0b6971b5db300
[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] b42fedd4bc3df8905f76260dfd997a3b3c92771a08eb17c5f3206aeedb40a319
[INFO] running `Command { std: "docker" "start" "-a" "b42fedd4bc3df8905f76260dfd997a3b3c92771a08eb17c5f3206aeedb40a319", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[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 5.67s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "b42fedd4bc3df8905f76260dfd997a3b3c92771a08eb17c5f3206aeedb40a319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42fedd4bc3df8905f76260dfd997a3b3c92771a08eb17c5f3206aeedb40a319", kill_on_drop: false }`
[INFO] [stdout] b42fedd4bc3df8905f76260dfd997a3b3c92771a08eb17c5f3206aeedb40a319
[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] e9774196831e7ff05a7ee78009928b6d5740cfe54ab64218234cd9756645ddda
[INFO] running `Command { std: "docker" "start" "-a" "e9774196831e7ff05a7ee78009928b6d5740cfe54ab64218234cd9756645ddda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[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 7.30s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "e9774196831e7ff05a7ee78009928b6d5740cfe54ab64218234cd9756645ddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9774196831e7ff05a7ee78009928b6d5740cfe54ab64218234cd9756645ddda", kill_on_drop: false }`
[INFO] [stdout] e9774196831e7ff05a7ee78009928b6d5740cfe54ab64218234cd9756645ddda
[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] bdec84f32bcc7e33609d6d4ab301e6a8128edecf39582cf924c6bf1dc5821574
[INFO] running `Command { std: "docker" "start" "-a" "bdec84f32bcc7e33609d6d4ab301e6a8128edecf39582cf924c6bf1dc5821574", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[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 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/speculate-805e81f4bebf9c69)
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-f6ea0e6e01244a71)
[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 12 tests
[INFO] [stdout] test attributes::speculate_7::test_ignore ... ignored
[INFO] [stdout] test ec2::speculate_2::test_works ... ok
[INFO] [stdout] test ec3::speculate_4::test_foo ... ok
[INFO] [stdout] test speculate_0::something::nested::test_works_at_level_3 ... ok
[INFO] [stdout] test ec5::speculate_6::test_foo ... ok
[INFO] [stdout] test speculate_0::test_works_at_level_1 ... ok
[INFO] [stdout] test speculate_0::test_works_at_level_1_after_describe ... 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::something::test_works_at_level_2 ... ok
[INFO] [stderr]      Running tests/example.rs (/opt/rustwide/target/debug/deps/example-850a68ea10bfb347)
[INFO] [stdout] test attributes::speculate_7::test_should_panic - should panic ... ok
[INFO] [stdout] test attributes::speculate_7::test_should_panic_with_foo - 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]    Doc-tests speculate
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test speculate_0::math::test_can_subtract_stuff ... ok
[INFO] [stdout] test speculate_0::math::test_can_add_stuff ... ok
[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 68) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 108) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 56) ... 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] 5 | bench "xor 1 to 1000" |b| {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[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 0.56s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bdec84f32bcc7e33609d6d4ab301e6a8128edecf39582cf924c6bf1dc5821574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdec84f32bcc7e33609d6d4ab301e6a8128edecf39582cf924c6bf1dc5821574", kill_on_drop: false }`
[INFO] [stdout] bdec84f32bcc7e33609d6d4ab301e6a8128edecf39582cf924c6bf1dc5821574