[INFO] fetching crate pngchat 1.0.1...
[INFO] testing pngchat-1.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate pngchat 1.0.1 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngchat 1.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.3
[INFO] [stderr]   Downloaded crc-catalog v2.1.0
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded clap_derive v3.1.7
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.38
[INFO] [stderr]   Downloaded syn v1.0.93
[INFO] [stderr]   Downloaded clap v3.1.17
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd417a53a3ec845a8b743bce470145df0305ca6751927d19cafc2a20ddf7087e
[INFO] running `Command { std: "docker" "start" "-a" "dd417a53a3ec845a8b743bce470145df0305ca6751927d19cafc2a20ddf7087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd417a53a3ec845a8b743bce470145df0305ca6751927d19cafc2a20ddf7087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd417a53a3ec845a8b743bce470145df0305ca6751927d19cafc2a20ddf7087e", kill_on_drop: false }`
[INFO] [stdout] dd417a53a3ec845a8b743bce470145df0305ca6751927d19cafc2a20ddf7087e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6bae16f0c583a3f9636850b3b48fb4abf922c1291e1c6ce74bac05a0ff06715
[INFO] running `Command { std: "docker" "start" "-a" "d6bae16f0c583a3f9636850b3b48fb4abf922c1291e1c6ce74bac05a0ff06715", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling crc-catalog v2.1.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[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 atty v0.2.14
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.08s
[INFO] running `Command { std: "docker" "inspect" "d6bae16f0c583a3f9636850b3b48fb4abf922c1291e1c6ce74bac05a0ff06715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6bae16f0c583a3f9636850b3b48fb4abf922c1291e1c6ce74bac05a0ff06715", kill_on_drop: false }`
[INFO] [stdout] d6bae16f0c583a3f9636850b3b48fb4abf922c1291e1c6ce74bac05a0ff06715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9f79fe47514b69830eb53f3effb5d5a2cb0fb1175a28c565a9318f37d43b73
[INFO] running `Command { std: "docker" "start" "-a" "5b9f79fe47514b69830eb53f3effb5d5a2cb0fb1175a28c565a9318f37d43b73", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "5b9f79fe47514b69830eb53f3effb5d5a2cb0fb1175a28c565a9318f37d43b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9f79fe47514b69830eb53f3effb5d5a2cb0fb1175a28c565a9318f37d43b73", kill_on_drop: false }`
[INFO] [stdout] 5b9f79fe47514b69830eb53f3effb5d5a2cb0fb1175a28c565a9318f37d43b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f88fb8148235bb4578fa7b12dff7564a1c6227bdb13d96e45d5bd049b9525626
[INFO] running `Command { std: "docker" "start" "-a" "f88fb8148235bb4578fa7b12dff7564a1c6227bdb13d96e45d5bd049b9525626", 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)]` 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pngchat-ba247b921e3d5834)
[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_as_bytes ... ok
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... 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_type ... 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::tests::test_new_chunk ... ok
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... 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_valid ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... 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_chunk_type_is_safe_to_copy ... 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_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critical ... ok
[INFO] [stdout] test png::tests::test_png_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test png::tests::test_as_bytes ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_invalid ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngchat-948826660b921bc3)
[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-3d32d7f8f37b7d3c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test chunk_test ... ok
[INFO] [stdout] test std_test::str_test1 ... ok
[INFO] [stdout] test std_test::str_as_bytes_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 std_test::slice_test ... ok
[INFO] [stderr]    Doc-tests pngchat
[INFO] [stdout] test std_test::str_as_bytes_mut_test ... ok
[INFO] [stdout] test std_test::vec_test2 ... ok
[INFO] [stdout] test std_test::vec_test3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f88fb8148235bb4578fa7b12dff7564a1c6227bdb13d96e45d5bd049b9525626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88fb8148235bb4578fa7b12dff7564a1c6227bdb13d96e45d5bd049b9525626", kill_on_drop: false }`
[INFO] [stdout] f88fb8148235bb4578fa7b12dff7564a1c6227bdb13d96e45d5bd049b9525626