[INFO] fetching crate slog-kvfilter 0.7.0...
[INFO] testing slog-kvfilter-0.7.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slog-kvfilter 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate slog-kvfilter 0.7.0
[INFO] finished tweaking crates.io crate slog-kvfilter 0.7.0
[INFO] tweaked toml for crates.io crate slog-kvfilter 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-kvfilter 0.7.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c97aaabe468440a60eaa6012a376cae6280a4a3639e33ebb7497733f26e7b65
[INFO] running `Command { std: "docker" "start" "-a" "4c97aaabe468440a60eaa6012a376cae6280a4a3639e33ebb7497733f26e7b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c97aaabe468440a60eaa6012a376cae6280a4a3639e33ebb7497733f26e7b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c97aaabe468440a60eaa6012a376cae6280a4a3639e33ebb7497733f26e7b65", kill_on_drop: false }`
[INFO] [stdout] 4c97aaabe468440a60eaa6012a376cae6280a4a3639e33ebb7497733f26e7b65
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb1a1f9ce6b9518882cb1150884e06d4b44b66d30f2d05ab4f8cd23d3c8f56fb
[INFO] running `Command { std: "docker" "start" "-a" "cb1a1f9ce6b9518882cb1150884e06d4b44b66d30f2d05ab4f8cd23d3c8f56fb", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "cb1a1f9ce6b9518882cb1150884e06d4b44b66d30f2d05ab4f8cd23d3c8f56fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1a1f9ce6b9518882cb1150884e06d4b44b66d30f2d05ab4f8cd23d3c8f56fb", kill_on_drop: false }`
[INFO] [stdout] cb1a1f9ce6b9518882cb1150884e06d4b44b66d30f2d05ab4f8cd23d3c8f56fb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66199fd891a41e6694e990fcae53447195c2cc840bb7e7b8a42900eea740ebb
[INFO] running `Command { std: "docker" "start" "-a" "b66199fd891a41e6694e990fcae53447195c2cc840bb7e7b8a42900eea740ebb", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:275:24
[INFO] [stdout]     |
[INFO] [stdout] 275 |                 panic!(fmt);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 275 |                 panic!("{}", fmt);
[INFO] [stdout]     |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "b66199fd891a41e6694e990fcae53447195c2cc840bb7e7b8a42900eea740ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66199fd891a41e6694e990fcae53447195c2cc840bb7e7b8a42900eea740ebb", kill_on_drop: false }`
[INFO] [stdout] b66199fd891a41e6694e990fcae53447195c2cc840bb7e7b8a42900eea740ebb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 004460f774ab376f6c187399410a3664b485d4dcf0835af44c3619be60917f5a
[INFO] running `Command { std: "docker" "start" "-a" "004460f774ab376f6c187399410a3664b485d4dcf0835af44c3619be60917f5a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:275:24
[INFO] [stderr]     |
[INFO] [stderr] 275 |                 panic!(fmt);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 275 |                 panic!("{}", fmt);
[INFO] [stderr]     |                        +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-kvfilter` (lib test) generated 1 warning (run `cargo fix --lib -p slog-kvfilter --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slog_kvfilter-c53b13bdb09ce49d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::nodecomponentlogfilter ... ok
[INFO] [stdout] test tests::negnodecomponentlogfilter ... ok
[INFO] [stdout] test tests::regextest ... ok
[INFO] [stderr]    Doc-tests slog_kvfilter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "004460f774ab376f6c187399410a3664b485d4dcf0835af44c3619be60917f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004460f774ab376f6c187399410a3664b485d4dcf0835af44c3619be60917f5a", kill_on_drop: false }`
[INFO] [stdout] 004460f774ab376f6c187399410a3664b485d4dcf0835af44c3619be60917f5a
