[INFO] fetching crate readb 0.4.1...
[INFO] building readb-0.4.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate readb 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate readb 0.4.1
[INFO] finished tweaking crates.io crate readb 0.4.1
[INFO] tweaked toml for crates.io crate readb 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readb 0.4.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 249 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding brotli v3.5.0 (available: v8.0.2)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding redb v1.5.2 (available: v3.1.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[INFO] [stderr]       Adding warp v0.3.7 (available: v0.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2fec8475014632f01b7c6eb57493369fea18d68b2c0a73169cec2b154e6683a
[INFO] running `Command { std: "docker" "start" "-a" "d2fec8475014632f01b7c6eb57493369fea18d68b2c0a73169cec2b154e6683a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2fec8475014632f01b7c6eb57493369fea18d68b2c0a73169cec2b154e6683a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fec8475014632f01b7c6eb57493369fea18d68b2c0a73169cec2b154e6683a", kill_on_drop: false }`
[INFO] [stdout] d2fec8475014632f01b7c6eb57493369fea18d68b2c0a73169cec2b154e6683a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dcdd603532216ab5e3e9ad25ec01fa089bd8456bf88041f377fd60183819d1f
[INFO] running `Command { std: "docker" "start" "-a" "8dcdd603532216ab5e3e9ad25ec01fa089bd8456bf88041f377fd60183819d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling readb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DatabaseTransactionsIO` is never used
[INFO] [stdout]    --> src/databases/db_trait.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) trait DatabaseTransactionsIO: Database {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "8dcdd603532216ab5e3e9ad25ec01fa089bd8456bf88041f377fd60183819d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcdd603532216ab5e3e9ad25ec01fa089bd8456bf88041f377fd60183819d1f", kill_on_drop: false }`
[INFO] [stdout] 8dcdd603532216ab5e3e9ad25ec01fa089bd8456bf88041f377fd60183819d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5313de552a43c8831b613f2c2f8d26f089237791b74d291844849780012d93fa
[INFO] running `Command { std: "docker" "start" "-a" "5313de552a43c8831b613f2c2f8d26f089237791b74d291844849780012d93fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="futures-sink"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=b97e92f81a4f7c13 -C extra-filename=-4192c98433c86f89 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-fc6bb1738f00fc87.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-be8442ee548d90f9.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-19b3aba2be9e7ae8.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-bedc6e0acd72ff2a.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-9a5791cba021167a.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-8c0cbfb396425d81.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=9ac6a80f25d094bc -C extra-filename=-56d208a18c083716 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-de6dd437dfb273ce.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0e06c09ee65fd0a1.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5313de552a43c8831b613f2c2f8d26f089237791b74d291844849780012d93fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5313de552a43c8831b613f2c2f8d26f089237791b74d291844849780012d93fa", kill_on_drop: false }`
[INFO] [stdout] 5313de552a43c8831b613f2c2f8d26f089237791b74d291844849780012d93fa