[INFO] fetching crate speculate 0.1.2...
[INFO] testing speculate-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate speculate 0.1.2 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate speculate 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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: v1.0.40)
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 411889eb8e2dee44be77beb3ca3ecca6af16a78499c8002286922146735503fa
[INFO] running `Command { std: "docker" "start" "-a" "411889eb8e2dee44be77beb3ca3ecca6af16a78499c8002286922146735503fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411889eb8e2dee44be77beb3ca3ecca6af16a78499c8002286922146735503fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411889eb8e2dee44be77beb3ca3ecca6af16a78499c8002286922146735503fa", kill_on_drop: false }`
[INFO] [stdout] 411889eb8e2dee44be77beb3ca3ecca6af16a78499c8002286922146735503fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e86081f58a529129ac457616028ef90846938454df69d7d07ec65070de44f6
[INFO] running `Command { std: "docker" "start" "-a" "b2e86081f58a529129ac457616028ef90846938454df69d7d07ec65070de44f6", 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 5.43s
[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 4`
[INFO] running `Command { std: "docker" "inspect" "b2e86081f58a529129ac457616028ef90846938454df69d7d07ec65070de44f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e86081f58a529129ac457616028ef90846938454df69d7d07ec65070de44f6", kill_on_drop: false }`
[INFO] [stdout] b2e86081f58a529129ac457616028ef90846938454df69d7d07ec65070de44f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fbc230387deb485d092165b547e6f24490bf16d121ffbf99c50552e5c7806d9
[INFO] running `Command { std: "docker" "start" "-a" "0fbc230387deb485d092165b547e6f24490bf16d121ffbf99c50552e5c7806d9", 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 6.35s
[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 4`
[INFO] running `Command { std: "docker" "inspect" "0fbc230387deb485d092165b547e6f24490bf16d121ffbf99c50552e5c7806d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbc230387deb485d092165b547e6f24490bf16d121ffbf99c50552e5c7806d9", kill_on_drop: false }`
[INFO] [stdout] 0fbc230387deb485d092165b547e6f24490bf16d121ffbf99c50552e5c7806d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0074e06e3d09bce9cd6ab02e4e6dc618d067e84c2b11f48f345dc4d3d2829ff
[INFO] running `Command { std: "docker" "start" "-a" "b0074e06e3d09bce9cd6ab02e4e6dc618d067e84c2b11f48f345dc4d3d2829ff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[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 4`
[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_3::test_works_again ... ok
[INFO] [stdout] test ec3::speculate_4::test_foo ... 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_2::test_works ... 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 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 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 0.03s
[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_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] [stderr]    Doc-tests speculate
[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 68) ... ok
[INFO] [stdout] test src/lib.rs - speculate (line 108) ... 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]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-28; 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 0.70s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b0074e06e3d09bce9cd6ab02e4e6dc618d067e84c2b11f48f345dc4d3d2829ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0074e06e3d09bce9cd6ab02e4e6dc618d067e84c2b11f48f345dc4d3d2829ff", kill_on_drop: false }`
[INFO] [stdout] b0074e06e3d09bce9cd6ab02e4e6dc618d067e84c2b11f48f345dc4d3d2829ff