[INFO] fetching crate pngchat 1.0.1...
[INFO] testing pngchat-1.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate pngchat 1.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pngchat 1.0.1
[INFO] finished tweaking crates.io crate pngchat 1.0.1
[INFO] tweaked toml for crates.io crate pngchat 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngchat 1.0.1 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 pngchat 1.0.1 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-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a2e66a40c34ce5925e3413355292d0a9e0e521f7cb3ac642e376697301ffed3d
[INFO] running `Command { std: "docker" "start" "-a" "a2e66a40c34ce5925e3413355292d0a9e0e521f7cb3ac642e376697301ffed3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e66a40c34ce5925e3413355292d0a9e0e521f7cb3ac642e376697301ffed3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e66a40c34ce5925e3413355292d0a9e0e521f7cb3ac642e376697301ffed3d", kill_on_drop: false }`
[INFO] [stdout] a2e66a40c34ce5925e3413355292d0a9e0e521f7cb3ac642e376697301ffed3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a2fc562107418dc4be9b9c325b440cd09dd41035fa4038b0e994c10053260cbe
[INFO] running `Command { std: "docker" "start" "-a" "a2fc562107418dc4be9b9c325b440cd09dd41035fa4038b0e994c10053260cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling crc-catalog v2.1.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling crc v3.0.0
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling clap v3.1.17
[INFO] [stderr]    Compiling pngchat v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chunk_type::ChunkType`
[INFO] [stdout]  --> src/png.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::{chunk::Chunk, chunk_type::ChunkType};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `Command { std: "docker" "inspect" "a2fc562107418dc4be9b9c325b440cd09dd41035fa4038b0e994c10053260cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fc562107418dc4be9b9c325b440cd09dd41035fa4038b0e994c10053260cbe", kill_on_drop: false }`
[INFO] [stdout] a2fc562107418dc4be9b9c325b440cd09dd41035fa4038b0e994c10053260cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8af1437e29d45a3e7b20dad776abe30b3800ac91b63d1257ca9ce23820b72546
[INFO] running `Command { std: "docker" "start" "-a" "8af1437e29d45a3e7b20dad776abe30b3800ac91b63d1257ca9ce23820b72546", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `chunk_type::ChunkType`
[INFO] [stdout]  --> src/png.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::{chunk::Chunk, chunk_type::ChunkType};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pngchat v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chunk_type::ChunkType`
[INFO] [stdout]  --> src/png.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use crate::{chunk::Chunk, chunk_type::ChunkType};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "8af1437e29d45a3e7b20dad776abe30b3800ac91b63d1257ca9ce23820b72546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af1437e29d45a3e7b20dad776abe30b3800ac91b63d1257ca9ce23820b72546", kill_on_drop: false }`
[INFO] [stdout] 8af1437e29d45a3e7b20dad776abe30b3800ac91b63d1257ca9ce23820b72546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 84517dff9b491f7eeaf439954ed9839486b04a7efe1e6a1bd95d1c7f73e8cda3
[INFO] running `Command { std: "docker" "start" "-a" "84517dff9b491f7eeaf439954ed9839486b04a7efe1e6a1bd95d1c7f73e8cda3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `chunk_type::ChunkType`
[INFO] [stderr]  --> src/png.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub use crate::{chunk::Chunk, chunk_type::ChunkType};
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pngchat` (lib) generated 1 warning (run `cargo fix --lib -p pngchat` to apply 1 suggestion)
[INFO] [stderr] warning: `pngchat` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pngchat-fe172d3db2e805ce)
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test chunk::tests::crc_test ... ok
[INFO] [stdout] test chunk::tests::crc_test2 ... ok
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test chunk::tests::test_chunk_as_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_display ... ok
[INFO] [stdout] test chunk::tests::test_chunk_trait_impls ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test chunk::tests::test_new_chunk ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_invalid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_safe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_trait_impls ... ok
[INFO] [stdout] test commands::tests::test_encode_and_decode_command ... ignored
[INFO] [stdout] test commands::tests::test_encode_command ... ignored
[INFO] [stdout] test commands::tests::test_print_chunks_command ... ignored
[INFO] [stdout] test commands::tests::test_read_png ... ignored
[INFO] [stdout] test commands::tests::test_remove_command ... ignored
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test png::tests::test_as_bytes ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_png_trait_impls ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngchat-62fe6728b046de0b)
[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/custom.rs (/opt/rustwide/target/debug/deps/custom-f47db95bc6ca7382)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test std_test::str_as_bytes_mut_test ... ok
[INFO] [stdout] test std_test::slice_test ... ok
[INFO] [stdout] test std_test::fmt_test ... ok
[INFO] [stdout] test std_test::str_test2 ... ok
[INFO] [stdout] test std_test::vec_test ... ok
[INFO] [stdout] test chunk_test ... ok
[INFO] [stdout] test std_test::vec_test2 ... ok
[INFO] [stdout] test std_test::vec_test3 ... ok
[INFO] [stdout] test std_test::str_as_bytes_test ... ok
[INFO] [stdout] test std_test::str_test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pngchat
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/error.rs - error (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84517dff9b491f7eeaf439954ed9839486b04a7efe1e6a1bd95d1c7f73e8cda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84517dff9b491f7eeaf439954ed9839486b04a7efe1e6a1bd95d1c7f73e8cda3", kill_on_drop: false }`
[INFO] [stdout] 84517dff9b491f7eeaf439954ed9839486b04a7efe1e6a1bd95d1c7f73e8cda3