[INFO] fetching crate tng-rs 0.2.1...
[INFO] testing tng-rs-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tng-rs 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tng-rs 0.2.1
[INFO] finished tweaking crates.io crate tng-rs 0.2.1
[INFO] tweaked toml for crates.io crate tng-rs 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tng-rs 0.2.1 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 tng-rs 0.2.1 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] 28f4914f8984d6436dc3f5476b979d2e9c0f0af6ce5dcf0c1a58921fbb35a8c9
[INFO] running `Command { std: "docker" "start" "-a" "28f4914f8984d6436dc3f5476b979d2e9c0f0af6ce5dcf0c1a58921fbb35a8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f4914f8984d6436dc3f5476b979d2e9c0f0af6ce5dcf0c1a58921fbb35a8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f4914f8984d6436dc3f5476b979d2e9c0f0af6ce5dcf0c1a58921fbb35a8c9", kill_on_drop: false }`
[INFO] [stdout] 28f4914f8984d6436dc3f5476b979d2e9c0f0af6ce5dcf0c1a58921fbb35a8c9
[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] 1e5b570658a9b1a42f62e2f4ed79fc1a8eecf1da532701b80ea5918a1c97f318
[INFO] running `Command { std: "docker" "start" "-a" "1e5b570658a9b1a42f62e2f4ed79fc1a8eecf1da532701b80ea5918a1c97f318", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling hybrid-array v0.4.10
[INFO] [stderr]    Compiling crypto-common v0.2.1
[INFO] [stderr]    Compiling block-buffer v0.12.0
[INFO] [stderr]    Compiling digest v0.11.2
[INFO] [stderr]    Compiling md-5 v0.11.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tng-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.86s
[INFO] running `Command { std: "docker" "inspect" "1e5b570658a9b1a42f62e2f4ed79fc1a8eecf1da532701b80ea5918a1c97f318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5b570658a9b1a42f62e2f4ed79fc1a8eecf1da532701b80ea5918a1c97f318", kill_on_drop: false }`
[INFO] [stdout] 1e5b570658a9b1a42f62e2f4ed79fc1a8eecf1da532701b80ea5918a1c97f318
[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] 3dcd786f988f14827d83f255e5bc3311ff8a775ba38c76cb84e10977b885ecb8
[INFO] running `Command { std: "docker" "start" "-a" "3dcd786f988f14827d83f255e5bc3311ff8a775ba38c76cb84e10977b885ecb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tng-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.11.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stdout] error[E0583]: file not found for module `c_comparison`
[INFO] [stdout]   --> src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | mod c_comparison;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `c_comparison`, create file "src/c_comparison.rs" or "src/c_comparison/mod.rs"
[INFO] [stdout]    = note: if there is a `mod c_comparison` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `ffi`
[INFO] [stdout]   --> src/lib.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | mod ffi;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `ffi`, create file "src/ffi.rs" or "src/ffi/mod.rs"
[INFO] [stdout]    = note: if there is a `mod ffi` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tng-rs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3dcd786f988f14827d83f255e5bc3311ff8a775ba38c76cb84e10977b885ecb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcd786f988f14827d83f255e5bc3311ff8a775ba38c76cb84e10977b885ecb8", kill_on_drop: false }`
[INFO] [stdout] 3dcd786f988f14827d83f255e5bc3311ff8a775ba38c76cb84e10977b885ecb8
