[INFO] fetching crate tower-fallback 0.2.41...
[INFO] testing tower-fallback-0.2.41 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tower-fallback 0.2.41 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tower-fallback 0.2.41
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tower-fallback 0.2.41
[INFO] tweaked toml for crates.io crate tower-fallback 0.2.41 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-fallback 0.2.41 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tower-fallback 0.2.41 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d407876a5555d9dabf24b2f1cc536985636ddc1a2db7d29a3d3730b0ef147cda
[INFO] running `Command { std: "docker" "start" "-a" "d407876a5555d9dabf24b2f1cc536985636ddc1a2db7d29a3d3730b0ef147cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d407876a5555d9dabf24b2f1cc536985636ddc1a2db7d29a3d3730b0ef147cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d407876a5555d9dabf24b2f1cc536985636ddc1a2db7d29a3d3730b0ef147cda", kill_on_drop: false }`
[INFO] [stdout] d407876a5555d9dabf24b2f1cc536985636ddc1a2db7d29a3d3730b0ef147cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34c637ebc9025df16e791c37134bcab2850448c5c909ad9c9b3765dc3f81962a
[INFO] running `Command { std: "docker" "start" "-a" "34c637ebc9025df16e791c37134bcab2850448c5c909ad9c9b3765dc3f81962a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tower-fallback v0.2.41 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `Command { std: "docker" "inspect" "34c637ebc9025df16e791c37134bcab2850448c5c909ad9c9b3765dc3f81962a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c637ebc9025df16e791c37134bcab2850448c5c909ad9c9b3765dc3f81962a", kill_on_drop: false }`
[INFO] [stdout] 34c637ebc9025df16e791c37134bcab2850448c5c909ad9c9b3765dc3f81962a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b73da7fd26dd2cbcc6444dc6492f0feabec4dc37ecc6c20ed126c72ab7c559
[INFO] running `Command { std: "docker" "start" "-a" "b8b73da7fd26dd2cbcc6444dc6492f0feabec4dc37ecc6c20ed126c72ab7c559", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling color-eyre v0.6.5
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling spandoc-attribute v0.1.1
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling tower-fallback v0.2.41 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling spandoc v0.2.2
[INFO] [stderr]    Compiling zebra-test v1.0.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "b8b73da7fd26dd2cbcc6444dc6492f0feabec4dc37ecc6c20ed126c72ab7c559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b73da7fd26dd2cbcc6444dc6492f0feabec4dc37ecc6c20ed126c72ab7c559", kill_on_drop: false }`
[INFO] [stdout] b8b73da7fd26dd2cbcc6444dc6492f0feabec4dc37ecc6c20ed126c72ab7c559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5362e27ef68324ea23dde24e5cd99bb995eef2fd5bbcf6165b838fa37bd269ce
[INFO] running `Command { std: "docker" "start" "-a" "5362e27ef68324ea23dde24e5cd99bb995eef2fd5bbcf6165b838fa37bd269ce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_fallback-7536111826c69e44)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/fallback.rs (/opt/rustwide/target/debug/deps/fallback-602c5f083b1b90eb)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fallback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower_fallback
[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" "5362e27ef68324ea23dde24e5cd99bb995eef2fd5bbcf6165b838fa37bd269ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5362e27ef68324ea23dde24e5cd99bb995eef2fd5bbcf6165b838fa37bd269ce", kill_on_drop: false }`
[INFO] [stdout] 5362e27ef68324ea23dde24e5cd99bb995eef2fd5bbcf6165b838fa37bd269ce