[INFO] fetching crate multiio 0.2.3...
[INFO] testing multiio-0.2.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate multiio 0.2.3 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate multiio 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate multiio 0.2.3
[INFO] tweaked toml for crates.io crate multiio 0.2.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multiio 0.2.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate multiio 0.2.3 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36
[INFO] running `Command { std: "docker" "start" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling multiio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling criterion-plot v0.8.1
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling multiio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.8.1
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 37.22s
[INFO] running `Command { std: "docker" "inspect" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/multiio/955f7b50ce7be803/out/multiio-955f7b50ce7be803)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test builder::tests::resolve_single_output_supports_stdout_alias_stderr_and_forced_path ... ok
[INFO] [stdout] test tests::error::policy_tests::aggregate_error_single_and_len ... ok
[INFO] [stdout] test tests::error::policy_tests::error_policy_default_is_accumulate ... ok
[INFO] [stdout] test builder::tests::builder_defaults_match_default_format_order ... ok
[INFO] [stdout] test builder::tests::resolve_single_input_supports_stdin_alias_and_inline_content ... ok
[INFO] [stdout] test format::tests::structured_text_formats_are_prefix_of_default_order ... ok
[INFO] [stdout] test tests::format::plaintext_stream_tests::plaintext_stream_yields_lines_as_strings ... ok
[INFO] [stdout] test tests::format::plaintext_stream_tests::plaintext_stream_via_registry_empty_input_yields_no_items ... ok
[INFO] [stdout] test tests::io::memory_tests::in_memory_sink_writes_and_reads_back ... ok
[INFO] [stdout] test tests::cli::parse_tests::test_infer_format_from_path ... ok
[INFO] [stdout] test tests::config::spec_tests::input_spec_with_format_and_candidates ... ok
[INFO] [stdout] test tests::format::plaintext_stream_tests::plaintext_stream_via_registry_yields_lines ... ok
[INFO] [stdout] test tests::config::spec_tests::output_spec_with_policy_and_format ... ok
[INFO] [stdout] test tests::format::plaintext_stream_tests::plaintext_stream_empty_input_yields_no_items ... ok
[INFO] [stdout] test tests::io::memory_tests::in_memory_source_reads_data ... ok
[INFO] [stdout] test tests::io::stdio_tests::file_output_writes_and_appends ... ok
[INFO] [stdout] test tests::io::stdio_tests::file_input_reads_file ... ok
[INFO] [stdout] test tests::feature_matrix::feature_matrix_compiles ... FAILED
[INFO] [stdout] test format::tests::default_format_order_is_expected ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::cli::parse_tests::test_parse_format ... ok
[INFO] [stdout] test tests::error::aggregate_tests::aggregate_error_display_includes_count ... ok
[INFO] [stdout] test tests::error::policy_tests::aggregate_error_from_single ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::feature_matrix::feature_matrix_compiles stdout ----
[INFO] [stdout] running feature matrix case: no_default=true, features=[]
[INFO] [stdout] running feature matrix case: no_default=false, features=[]
[INFO] [stdout] running feature matrix case: no_default=true, features=["sarge"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["plaintext"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["yaml"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["json"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["toml"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["ini"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["xml"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["csv"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["custom"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["plaintext", "sarge"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["json", "yaml"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["custom", "yaml"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["async"]
[INFO] [stdout] running feature matrix case: no_default=true, features=["full"]
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::feature_matrix::feature_matrix_compiles' (916) panicked at src/tests/feature_matrix.rs:175:5:
[INFO] [stdout] feature matrix failures (16):
[INFO] [stdout] no_default=true, features=[]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=false, features=[]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["sarge"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["plaintext"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["yaml"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["toml"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["json"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["ini"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["csv"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["custom"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["xml"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["plaintext", "sarge"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["custom", "yaml"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["json", "yaml"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["async"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] no_default=true, features=["full"]: create target dir failed: Read-only file system (os error 30)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b26cfbcfb91 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5b26cfbe5c9a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5b26cfbd5bcc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5b26cfbaa306 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5b26cfbc73d9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5b26cfb61d60 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5b26cfbc7702 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5b26cfbaa3b2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5b26cfba2c09 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5b26cfbab03d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5b26cfbe63cc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5b26cfb4589f - <multiio[f4c9c412cfce3dc4]::tests::feature_matrix::feature_matrix_compiles::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x5b26cfb551ab - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   13:     0x5b26cfb62385 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   14:     0x5b26cfb5bc74 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   15:     0x5b26cfb65412 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   16:     0x5b26cfbceeef - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   17:     0x79a903bfddfa - <unknown>
[INFO] [stdout]   18:     0x79a903c913d4 - clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::feature_matrix::feature_matrix_compiles
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36", kill_on_drop: false }`
[INFO] [stdout] 97e3c61d77e90edd6a96464caa84686f9f1744ea5e764f00fbb4f2aea30d3f36
