[INFO] fetching crate prost 0.14.3...
[INFO] testing prost-0.14.3 against beta-2026-04-21 for beta-1.96-3
[INFO] extracting crate prost 0.14.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate prost 0.14.3
[INFO] finished tweaking crates.io crate prost 0.14.3
[INFO] tweaked toml for crates.io crate prost 0.14.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prost 0.14.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prost 0.14.3 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19fe10afce5f7885b5206592c777746411d2abfac666cf1fc7f57fa820abc19c
[INFO] running `Command { std: "docker" "start" "-a" "19fe10afce5f7885b5206592c777746411d2abfac666cf1fc7f57fa820abc19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19fe10afce5f7885b5206592c777746411d2abfac666cf1fc7f57fa820abc19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fe10afce5f7885b5206592c777746411d2abfac666cf1fc7f57fa820abc19c", kill_on_drop: false }`
[INFO] [stdout] 19fe10afce5f7885b5206592c777746411d2abfac666cf1fc7f57fa820abc19c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9f98bd52e342d14271e65c321da1c44042cdd47662e92de645376016e7bf81
[INFO] running `Command { std: "docker" "start" "-a" "0d9f98bd52e342d14271e65c321da1c44042cdd47662e92de645376016e7bf81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling prost-derive v0.14.3
[INFO] [stderr]    Compiling prost v0.14.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "0d9f98bd52e342d14271e65c321da1c44042cdd47662e92de645376016e7bf81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9f98bd52e342d14271e65c321da1c44042cdd47662e92de645376016e7bf81", kill_on_drop: false }`
[INFO] [stdout] 0d9f98bd52e342d14271e65c321da1c44042cdd47662e92de645376016e7bf81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69814d11bb5718c1863bf6229268f9eb2ea5439f1336e3c55c575a11004c46e8
[INFO] running `Command { std: "docker" "start" "-a" "69814d11bb5718c1863bf6229268f9eb2ea5439f1336e3c55c575a11004c46e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling clap v4.5.54
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling prost-derive v0.14.3
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling prost v0.14.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr] error: could not compile `prost` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name prost --edition=2021 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="derive"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "derive", "no-recursion-limit", "std"))' -C metadata=92be37ae36874a5f -C extra-filename=-972f8c1cb17ca834 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-a0062d7241aa62d3.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-d3389dafb15371a5.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-63c3d635086a3f7f.rlib --extern prost_derive=/opt/rustwide/target/debug/deps/libprost_derive-6cd542a5db443a29.so --extern rand=/opt/rustwide/target/debug/deps/librand-4a93bfe32942ad7f.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "69814d11bb5718c1863bf6229268f9eb2ea5439f1336e3c55c575a11004c46e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69814d11bb5718c1863bf6229268f9eb2ea5439f1336e3c55c575a11004c46e8", kill_on_drop: false }`
[INFO] [stdout] 69814d11bb5718c1863bf6229268f9eb2ea5439f1336e3c55c575a11004c46e8