[INFO] fetching crate pngmetagrep-core 0.1.4...
[INFO] testing pngmetagrep-core-0.1.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate pngmetagrep-core 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pngmetagrep-core 0.1.4
[INFO] finished tweaking crates.io crate pngmetagrep-core 0.1.4
[INFO] tweaked toml for crates.io crate pngmetagrep-core 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngmetagrep-core 0.1.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pngmetagrep-core 0.1.4 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25825b48d58a160551eb90e551f72f50d185cbf2e2e48f0fbcc5ed23534bfc10
[INFO] running `Command { std: "docker" "start" "-a" "25825b48d58a160551eb90e551f72f50d185cbf2e2e48f0fbcc5ed23534bfc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25825b48d58a160551eb90e551f72f50d185cbf2e2e48f0fbcc5ed23534bfc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25825b48d58a160551eb90e551f72f50d185cbf2e2e48f0fbcc5ed23534bfc10", kill_on_drop: false }`
[INFO] [stdout] 25825b48d58a160551eb90e551f72f50d185cbf2e2e48f0fbcc5ed23534bfc10
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b092b77d3b2a5cef049505b629ee9767a8cb7589c6e19fb889148b8e0c97197
[INFO] running `Command { std: "docker" "start" "-a" "8b092b77d3b2a5cef049505b629ee9767a8cb7589c6e19fb889148b8e0c97197", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngmeta v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling pngmetagrep-core v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "8b092b77d3b2a5cef049505b629ee9767a8cb7589c6e19fb889148b8e0c97197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b092b77d3b2a5cef049505b629ee9767a8cb7589c6e19fb889148b8e0c97197", kill_on_drop: false }`
[INFO] [stdout] 8b092b77d3b2a5cef049505b629ee9767a8cb7589c6e19fb889148b8e0c97197
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4ad66f01a39e0fd96c9a1d6e9dd90c197d806fe6933bf72453af98188b9519
[INFO] running `Command { std: "docker" "start" "-a" "ff4ad66f01a39e0fd96c9a1d6e9dd90c197d806fe6933bf72453af98188b9519", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngmeta v0.1.4
[INFO] [stderr]    Compiling pngmetagrep-core v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "ff4ad66f01a39e0fd96c9a1d6e9dd90c197d806fe6933bf72453af98188b9519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4ad66f01a39e0fd96c9a1d6e9dd90c197d806fe6933bf72453af98188b9519", kill_on_drop: false }`
[INFO] [stdout] ff4ad66f01a39e0fd96c9a1d6e9dd90c197d806fe6933bf72453af98188b9519
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9491d41989e9dd76a066a4cccb486f8e418eaa54083d814a16a842a27fa918e
[INFO] running `Command { std: "docker" "start" "-a" "c9491d41989e9dd76a066a4cccb486f8e418eaa54083d814a16a842a27fa918e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pngmetagrep_core-3e5cd6d2c5247329)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test find::tests::auto_invalid_regex ... ok
[INFO] [stdout] test find::tests::auto_json_regex ... ok
[INFO] [stdout] test find::tests::auto_none ... ok
[INFO] [stdout] test find::tests::auto_regex_no_json_chars ... ok
[INFO] [stdout] test find::tests::find_literal_hit ... ok
[INFO] [stdout] test tests::extract_specific_chunk ... ok
[INFO] [stdout] test tests::extract_stores_non_json_as_string ... ok
[INFO] [stdout] test find::tests::find_regex_hit ... ok
[INFO] [stdout] test find::tests::auto_literal_ignore_case_upgrades_to_bin_regex ... ok
[INFO] [stdout] test find::tests::auto_literal ... ok
[INFO] [stdout] test find::tests::matches_empty_png ... ok
[INFO] [stdout] test tests::extract_all_chunks_when_keys_empty ... ok
[INFO] [stdout] test find::tests::matches_fast_path_miss ... ok
[INFO] [stdout] test tests::extract_parses_json_values ... ok
[INFO] [stdout] test find::tests::matches_fast_path ... ok
[INFO] [stdout] test find::tests::find_literal_miss ... ok
[INFO] [stdout] test find::tests::find_ignore_case ... ok
[INFO] [stdout] test find::tests::find_no_filter ... ok
[INFO] [stdout] test tests::extract_returns_none_for_missing_key ... ok
[INFO] [stdout] test tests::extract_returns_none_for_no_text_chunks ... ok
[INFO] [stdout] test find::tests::find_regex_miss ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pngmetagrep_core
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "c9491d41989e9dd76a066a4cccb486f8e418eaa54083d814a16a842a27fa918e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9491d41989e9dd76a066a4cccb486f8e418eaa54083d814a16a842a27fa918e", kill_on_drop: false }`
[INFO] [stdout] c9491d41989e9dd76a066a4cccb486f8e418eaa54083d814a16a842a27fa918e