[INFO] fetching crate informalsystems-prost 0.8.1...
[INFO] testing informalsystems-prost-0.8.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate informalsystems-prost 0.8.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate informalsystems-prost 0.8.1
[INFO] finished tweaking crates.io crate informalsystems-prost 0.8.1
[INFO] tweaked toml for crates.io crate informalsystems-prost 0.8.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate informalsystems-prost 0.8.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.8)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 529d99325b484339f754af18674fecff09d0674762e31e630d248ad947db32d3
[INFO] running `Command { std: "docker" "start" "-a" "529d99325b484339f754af18674fecff09d0674762e31e630d248ad947db32d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529d99325b484339f754af18674fecff09d0674762e31e630d248ad947db32d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529d99325b484339f754af18674fecff09d0674762e31e630d248ad947db32d3", kill_on_drop: false }`
[INFO] [stdout] 529d99325b484339f754af18674fecff09d0674762e31e630d248ad947db32d3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c367d41ecad632fa27da09a5c86742d53f2b3d11cc38486494a0d9124f66af9
[INFO] running `Command { std: "docker" "start" "-a" "1c367d41ecad632fa27da09a5c86742d53f2b3d11cc38486494a0d9124f66af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling informalsystems-prost-derive v0.8.1
[INFO] [stderr]    Compiling informalsystems-prost v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "1c367d41ecad632fa27da09a5c86742d53f2b3d11cc38486494a0d9124f66af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c367d41ecad632fa27da09a5c86742d53f2b3d11cc38486494a0d9124f66af9", kill_on_drop: false }`
[INFO] [stdout] 1c367d41ecad632fa27da09a5c86742d53f2b3d11cc38486494a0d9124f66af9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53281023aa10534ee81f9020552b2fb395a4b42757dcafd4bb8f753bfd8b28c8
[INFO] running `Command { std: "docker" "start" "-a" "53281023aa10534ee81f9020552b2fb395a4b42757dcafd4bb8f753bfd8b28c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling informalsystems-prost-derive v0.8.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling informalsystems-prost v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/encoding.rs:1604:61
[INFO] [stdout]      |
[INFO] [stdout] 1604 |             let roundtrip_value = decode_varint(&mut encoded.clone()).expect("decoding failed");
[INFO] [stdout]      |                                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]      = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `informalsystems-prost` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name informalsystems_prost --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="prost-derive"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "no-recursion-limit", "prost-derive", "std"))' -C metadata=e66a4573449281d2 -C extra-filename=-3963b0e7893e8639 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-f2fa72719066c118.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-76c6e0ecab047501.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-b8fde3d851889fb2.rlib --extern prost_derive=/opt/rustwide/target/debug/deps/libinformalsystems_prost_derive-b27e1e798827a81f.so --extern log=/opt/rustwide/target/debug/deps/liblog-28ade3d6717210f3.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-678b8985d77a7ae9.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-77cebc56bb771cfe.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "53281023aa10534ee81f9020552b2fb395a4b42757dcafd4bb8f753bfd8b28c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53281023aa10534ee81f9020552b2fb395a4b42757dcafd4bb8f753bfd8b28c8", kill_on_drop: false }`
[INFO] [stdout] 53281023aa10534ee81f9020552b2fb395a4b42757dcafd4bb8f753bfd8b28c8