[INFO] fetching crate dakv_logger 0.1.5...
[INFO] testing dakv_logger-0.1.5 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dakv_logger 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dakv_logger 0.1.5
[INFO] finished tweaking crates.io crate dakv_logger 0.1.5
[INFO] tweaked toml for crates.io crate dakv_logger 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dakv_logger 0.1.5 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-term v2.9.2
[INFO] [stderr]   Downloaded slog-envlogger v2.2.0
[INFO] [stderr]   Downloaded slog-async v2.8.0
[INFO] [stderr]   Downloaded arc-swap v1.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6
[INFO] running `Command { std: "docker" "start" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling arc-swap v1.9.2
[INFO] [stderr]    Compiling powerfmt v0.2.1
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]    Compiling deranged v0.5.9
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.17
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling term v1.2.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling slog-scope v4.4.1
[INFO] [stderr]    Compiling slog-term v2.9.2
[INFO] [stderr]    Compiling slog-stdlog v4.1.1
[INFO] [stderr]    Compiling slog-envlogger v2.2.0
[INFO] [stderr]    Compiling dakv_logger v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 48.67s
[INFO] running `Command { std: "docker" "inspect" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dakv_logger v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/dakv_logger-35574a874d733b88)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_log ... FAILED
[INFO] [stdout] 2026-10-18T07:17:31.176667480+00:00 C src/lib.rs 123 test
[INFO] [stdout] 2026-10-18T07:17:31.177725630+00:00 I src/lib.rs 124 test
[INFO] [stdout] 2026-10-18T07:17:31.177762280+00:00 W src/lib.rs 125 test
[INFO] [stdout] 2026-10-18T07:17:31.177796120+00:00 E src/lib.rs 126 test
[INFO] [stdout] test tests::test_async_log ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_log stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_log' (712) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slog-scope-4.4.1/lib.rs:128:13:
[INFO] [stdout] slog-scope: No logger set. Use `slog_scope::set_global_logger` or `slog_scope::scope`.
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dd908ab1f1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x55dd908c18ca - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x55dd908af73c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x55dd908869c6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x55dd908a2d09 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x55dd90761210 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x55dd908a2ec2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x55dd9088602c - std[70759c8f55707aa4]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stdout]    8:     0x55dd9087f619 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stdout]    9:     0x55dd9087c0eb - std[70759c8f55707aa4]::panicking::begin_panic::<&str>
[INFO] [stdout]   10:     0x55dd9085f88a - <slog_scope[a4955302a064ee92]::NoGlobalLoggerSet as slog[efd229e47c689569]::Drain>::log
[INFO] [stdout]   11:     0x55dd907463cf - <std[70759c8f55707aa4]::thread::local::LocalKey<core[df12db4294e9bfd3]::cell::RefCell<alloc[2182bb758b4b3781]::vec::Vec<*const slog[efd229e47c689569]::Logger<alloc[2182bb758b4b3781]::sync::Arc<dyn slog[efd229e47c689569]::SendSyncRefUnwindSafeDrain<Ok = (), Err = core[df12db4294e9bfd3]::convert::Infallible>>>>>>>::with::<slog_scope[a4955302a064ee92]::with_logger<dakv_logger[5c607e5513d92380]::tests::test_log::{closure#5}, ()>::{closure#0}, ()>
[INFO] [stdout]   12:     0x55dd90754453 - <dakv_logger[5c607e5513d92380]::tests::test_log::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x55dd907544fb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   14:     0x55dd90761b65 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   15:     0x55dd9075b424 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x55dd90764cc2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x55dd908aa409 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x70deab27edfa - <unknown>
[INFO] [stdout]   19:     0x70deab3123d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_log
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6", kill_on_drop: false }`
[INFO] [stdout] 75bea01dbf6258941a5f92e1a727b83a4518adbed8f9ab50e820a4823d5cadd6
