[INFO] fetching crate balter 0.8.2...
[INFO] testing balter-0.8.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate balter 0.8.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate balter 0.8.2
[INFO] finished tweaking crates.io crate balter 0.8.2
[INFO] tweaked toml for crates.io crate balter 0.8.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate balter 0.8.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 335 packages to latest compatible versions
[INFO] [stderr]       Adding governor v0.6.3 (available: v0.10.0)
[INFO] [stderr]       Adding metrics v0.23.1 (available: v0.24.2)
[INFO] [stderr]       Adding metrics-util v0.16.3 (available: v0.20.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.5.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded statistical v1.0.0
[INFO] [stderr]   Downloaded bytecount v0.6.9
[INFO] [stderr]   Downloaded ntest_test_cases v0.9.3
[INFO] [stderr]   Downloaded balter-macros v0.3.0
[INFO] [stderr]   Downloaded metrics-util v0.16.3
[INFO] [stderr]   Downloaded trait-variant v0.1.2
[INFO] [stderr]   Downloaded linkme-impl v0.3.33
[INFO] [stderr]   Downloaded linkme v0.3.33
[INFO] [stderr]   Downloaded metrics v0.23.1
[INFO] [stderr]   Downloaded pdatastructs v0.7.0
[INFO] [stderr]   Downloaded quanta v0.12.6
[INFO] [stderr]   Downloaded succinct v0.5.2
[INFO] [stderr]   Downloaded metrics v0.22.4
[INFO] [stderr]   Downloaded ntest_timeout v0.9.3
[INFO] [stderr]   Downloaded balter-core v0.5.1
[INFO] [stderr]   Downloaded ntest v0.9.3
[INFO] [stderr]   Downloaded balter-runtime v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc76359834a78a67ede2ad950b500a8397c3c591d108ad51bde9df9ddb862857
[INFO] running `Command { std: "docker" "start" "-a" "fc76359834a78a67ede2ad950b500a8397c3c591d108ad51bde9df9ddb862857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc76359834a78a67ede2ad950b500a8397c3c591d108ad51bde9df9ddb862857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc76359834a78a67ede2ad950b500a8397c3c591d108ad51bde9df9ddb862857", kill_on_drop: false }`
[INFO] [stdout] fc76359834a78a67ede2ad950b500a8397c3c591d108ad51bde9df9ddb862857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ebe8d20fe1c66530782f16f53781d1ca423066622a467e4661a9dcf16c9103ac
[INFO] running `Command { std: "docker" "start" "-a" "ebe8d20fe1c66530782f16f53781d1ca423066622a467e4661a9dcf16c9103ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling nonzero_ext v0.3.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling spinning_top v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling succinct v0.5.2
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling quanta v0.12.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling metrics v0.22.4
[INFO] [stderr]    Compiling metrics v0.23.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling statistical v1.0.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling metrics-util v0.16.3
[INFO] [stderr]    Compiling pdatastructs v0.7.0
[INFO] [stderr]    Compiling balter-core v0.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling balter-macros v0.3.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling governor v0.6.3
[INFO] [stderr]    Compiling balter v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.17s
[INFO] running `Command { std: "docker" "inspect" "ebe8d20fe1c66530782f16f53781d1ca423066622a467e4661a9dcf16c9103ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe8d20fe1c66530782f16f53781d1ca423066622a467e4661a9dcf16c9103ac", kill_on_drop: false }`
[INFO] [stdout] ebe8d20fe1c66530782f16f53781d1ca423066622a467e4661a9dcf16c9103ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 36dcfd584094e3f07a041b287f6258c91481fa95e12dec9be50e590ee1273984
[INFO] running `Command { std: "docker" "start" "-a" "36dcfd584094e3f07a041b287f6258c91481fa95e12dec9be50e590ee1273984", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling linkme-impl v0.3.33
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling governor v0.6.3
[INFO] [stderr]    Compiling linkme v0.3.33
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling succinct v0.5.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling metrics-util v0.16.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling pdatastructs v0.7.0
[INFO] [stderr]    Compiling balter-core v0.5.1
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling statistical v1.0.0
[INFO] [stderr]    Compiling balter v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ntest_test_cases v0.9.3
[INFO] [stderr]    Compiling ntest_timeout v0.9.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling ntest v0.9.3
[INFO] [stderr]    Compiling tracing-test v0.2.5
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/sampler/base_sampler.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/sampler/base_sampler.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `balter` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "36dcfd584094e3f07a041b287f6258c91481fa95e12dec9be50e590ee1273984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36dcfd584094e3f07a041b287f6258c91481fa95e12dec9be50e590ee1273984", kill_on_drop: false }`
[INFO] [stdout] 36dcfd584094e3f07a041b287f6258c91481fa95e12dec9be50e590ee1273984