[INFO] fetching crate png_pong 0.9.3... [INFO] testing png_pong-0.9.3 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate png_pong 0.9.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate png_pong 0.9.3 [INFO] finished tweaking crates.io crate png_pong 0.9.3 [INFO] tweaked toml for crates.io crate png_pong 0.9.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate png_pong 0.9.3 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate png_pong 0.9.3 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85e25fd03b67be5a84fa5e9043197f2b5f6b8ddff28357f3db386a00c23ccb4f [INFO] running `Command { std: "docker" "start" "-a" "85e25fd03b67be5a84fa5e9043197f2b5f6b8ddff28357f3db386a00c23ccb4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85e25fd03b67be5a84fa5e9043197f2b5f6b8ddff28357f3db386a00c23ccb4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85e25fd03b67be5a84fa5e9043197f2b5f6b8ddff28357f3db386a00c23ccb4f", kill_on_drop: false }` [INFO] [stdout] 85e25fd03b67be5a84fa5e9043197f2b5f6b8ddff28357f3db386a00c23ccb4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27deca5d723d37d81fc5738ae950dffe63a1c124e994e9adf6ed94738475341c [INFO] running `Command { std: "docker" "start" "-a" "27deca5d723d37d81fc5738ae950dffe63a1c124e994e9adf6ed94738475341c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling pix v0.13.4 [INFO] [stderr] Compiling adler2 v2.0.0 [INFO] [stderr] Compiling simd-adler32 v0.3.7 [INFO] [stderr] Compiling miniz_oxide v0.8.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Compiling traitful v0.3.0 [INFO] [stderr] Compiling parsenic v0.2.0 [INFO] [stderr] Compiling png_pong v0.9.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 15.12s [INFO] running `Command { std: "docker" "inspect" "27deca5d723d37d81fc5738ae950dffe63a1c124e994e9adf6ed94738475341c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27deca5d723d37d81fc5738ae950dffe63a1c124e994e9adf6ed94738475341c", kill_on_drop: false }` [INFO] [stdout] 27deca5d723d37d81fc5738ae950dffe63a1c124e994e9adf6ed94738475341c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5cffb1fef8dccd882e3a86ca64b6c098a2a262f3124ff3e53d6ead0e8512692 [INFO] running `Command { std: "docker" "start" "-a" "c5cffb1fef8dccd882e3a86ca64b6c098a2a262f3124ff3e53d6ead0e8512692", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling half v2.4.0 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling anstyle v1.0.6 [INFO] [stderr] Compiling clap_lex v0.6.0 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling plotters-backend v0.3.5 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling clap_builder v4.4.18 [INFO] [stderr] Compiling plotters-svg v0.3.5 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling plotters v0.3.5 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling clap v4.4.18 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling traitful v0.3.0 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling parsenic v0.2.0 [INFO] [stderr] Compiling png_pong v0.9.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 2m 03s [INFO] running `Command { std: "docker" "inspect" "c5cffb1fef8dccd882e3a86ca64b6c098a2a262f3124ff3e53d6ead0e8512692", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5cffb1fef8dccd882e3a86ca64b6c098a2a262f3124ff3e53d6ead0e8512692", kill_on_drop: false }` [INFO] [stdout] c5cffb1fef8dccd882e3a86ca64b6c098a2a262f3124ff3e53d6ead0e8512692 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 684a5017763c8b81e613b8725a66dc9705fbaf217b3a3c6acfa7c041a5a35f66 [INFO] running `Command { std: "docker" "start" "-a" "684a5017763c8b81e613b8725a66dc9705fbaf217b3a3c6acfa7c041a5a35f66", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/png_pong-604792bb4cf40aa6) [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] Doc-tests png_pong [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 12) ... FAILED [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 12) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (39) panicked at src/lib.rs:13:41: [INFO] [stdout] Failed to save image: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5ec58d2dce62 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ec58d2dce62 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ec58d2dce62 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ec58d2dce62 - ::fmt::h47627beda0767f4c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ec58d2ec6bf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5ec58d2ec6bf - core::fmt::write::h8a63064c67176fd8 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5ec58d2bace3 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ec58d2bace3 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5ec58d2c0642 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5ec58d2c204c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5ec58d2c1ea6 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5ec58d2c2625 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5ec58d2c24ba - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5ec58d2c0779 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5ec58d2af0bd - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5ec58d2efdc0 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5ec58d2ef406 - core::result::unwrap_failed::he81173b5792ad6b0 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5ec58d27dac0 - core::result::Result::expect::h73828bfc92b14db8 [INFO] [stdout] 18: 0x5ec58d28fc4e - rust_out::main::_doctest_main_src_lib_rs_12_0::h4d3bff318d869523 [INFO] [stdout] 19: 0x5ec58d28f9d6 - rust_out::main::he986860d8b7bc94f [INFO] [stdout] 20: 0x5ec58d27a783 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d [INFO] [stdout] 21: 0x5ec58d279dd6 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff [INFO] [stdout] 22: 0x5ec58d279a09 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee [INFO] [stdout] 23: 0x5ec58d2bc090 - core::ops::function::impls:: for &F>::call_once::hdf957eac011d0136 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x5ec58d2bc090 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x5ec58d2bc090 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x5ec58d2bc090 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x5ec58d2bc090 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x5ec58d2bc090 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5ec58d2bc090 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5ec58d2bc090 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5ec58d2bc090 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x5ec58d2799f1 - std::rt::lang_start::h457230af78cce7e7 [INFO] [stdout] 33: 0x5ec58d295fb5 - main [INFO] [stdout] 34: 0x73737c5d61ca - [INFO] [stdout] 35: 0x73737c5d628b - __libc_start_main [INFO] [stdout] 36: 0x5ec58d277a45 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 12) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "684a5017763c8b81e613b8725a66dc9705fbaf217b3a3c6acfa7c041a5a35f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "684a5017763c8b81e613b8725a66dc9705fbaf217b3a3c6acfa7c041a5a35f66", kill_on_drop: false }` [INFO] [stdout] 684a5017763c8b81e613b8725a66dc9705fbaf217b3a3c6acfa7c041a5a35f66