[INFO] fetching crate tos-tbpf 0.14.1...
[INFO] testing tos-tbpf-0.14.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tos-tbpf 0.14.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tos-tbpf 0.14.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tos-tbpf 0.14.1
[INFO] tweaked toml for crates.io crate tos-tbpf 0.14.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tos-tbpf 0.14.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tos-tbpf 0.14.1 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ffc3486156e919438c05356ae7a332f5cadcc37ac3c1daa5d7d2ab4b1abe262
[INFO] running `Command { std: "docker" "start" "-a" "9ffc3486156e919438c05356ae7a332f5cadcc37ac3c1daa5d7d2ab4b1abe262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ffc3486156e919438c05356ae7a332f5cadcc37ac3c1daa5d7d2ab4b1abe262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffc3486156e919438c05356ae7a332f5cadcc37ac3c1daa5d7d2ab4b1abe262", kill_on_drop: false }`
[INFO] [stdout] 9ffc3486156e919438c05356ae7a332f5cadcc37ac3c1daa5d7d2ab4b1abe262
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51ada38d62a9a2a9d668cfc18da7590bbe7ed8d32b6fbe7ed0c0dfd4ec27b1c
[INFO] running `Command { std: "docker" "start" "-a" "e51ada38d62a9a2a9d668cfc18da7590bbe7ed8d32b6fbe7ed0c0dfd4ec27b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tos-tbpf v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "e51ada38d62a9a2a9d668cfc18da7590bbe7ed8d32b6fbe7ed0c0dfd4ec27b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51ada38d62a9a2a9d668cfc18da7590bbe7ed8d32b6fbe7ed0c0dfd4ec27b1c", kill_on_drop: false }`
[INFO] [stdout] e51ada38d62a9a2a9d668cfc18da7590bbe7ed8d32b6fbe7ed0c0dfd4ec27b1c
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e56c661d7a8e5a1d88a78a758752a72bb4f7c98967198737d2ab4bcb3aa3b16
[INFO] running `Command { std: "docker" "start" "-a" "4e56c661d7a8e5a1d88a78a758752a72bb4f7c98967198737d2ab4bcb3aa3b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling elf v0.0.10
[INFO] [stderr]    Compiling tos-tbpf v0.14.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/exercise_instructions.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> tests/disassembler.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use test_utils::TestContextObject;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/assembler.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]  --> tests/elf.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use test_utils::{assert_error, syscalls, TestContextObject};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/execution.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]  --> examples/disassemble.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use test_utils::TestContextObject;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SECTION_NAME_LENGTH_MAXIMUM`
[INFO] [stdout]   --> tests/elf.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Elf64, ElfParserError, SECTION_NAME_LENGTH_MAXIMUM,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "exercise_instructions") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> tests/verifier.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use test_utils::{assert_error, create_vm, syscalls, TestContextObject};
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "assembler") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "execution") due to 1 previous error
[INFO] [stderr] error: could not compile `tos-tbpf` (example "disassemble") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]  --> tests/vm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use test_utils::{create_vm, syscalls, TestContextObject};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> examples/to_json.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use test_utils::TestContextObject;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "verifier") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (example "to_json") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]  --> tests/jit.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use test_utils::{syscalls, TestContextObject};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "disassembler") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "elf") due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/memory_region.rs:657:9
[INFO] [stdout]     |
[INFO] [stdout] 657 |     use test_utils::assert_error;
[INFO] [stdout]     |         ^^^^^^^^^^ use of unresolved module or unlinked crate `test_utils`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `test_utils`, use `cargo add test_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "jit") due to 1 previous error
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     check_slot!(env, host_stack_pointer, HostStackPointer);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     check_slot!(env, call_depth, CallDepth);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     check_slot!(env, context_object_pointer, ContextObjectPointer);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     check_slot!(env, previous_instruction_meter, PreviousInstructionMeter);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     check_slot!(env, due_insn_count, DueInsnCount);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |     check_slot!(env, stopwatch_numerator, StopwatchNumerator);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     check_slot!(env, stopwatch_denominator, StopwatchDenominator);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     check_slot!(env, registers, Registers);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |     check_slot!(env, program_result, ProgramResult);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |     check_slot!(env, memory_mapping, MemoryMapping);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `env`
[INFO] [stdout]   --> tests/vm.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     check_slot!(env, register_trace, RegisterTrace);
[INFO] [stdout]    |                 ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (test "vm") due to 12 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tos-tbpf` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4e56c661d7a8e5a1d88a78a758752a72bb4f7c98967198737d2ab4bcb3aa3b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e56c661d7a8e5a1d88a78a758752a72bb4f7c98967198737d2ab4bcb3aa3b16", kill_on_drop: false }`
[INFO] [stdout] 4e56c661d7a8e5a1d88a78a758752a72bb4f7c98967198737d2ab4bcb3aa3b16
