[INFO] fetching crate somerville-core 0.0.0...
[INFO] testing somerville-core-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate somerville-core 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate somerville-core 0.0.0
[INFO] finished tweaking crates.io crate somerville-core 0.0.0
[INFO] tweaked toml for crates.io crate somerville-core 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate somerville-core 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 32294f9d04d66120e4ee77f9e40a8f0351344c6b686a5ae4447fcf7e02aaa9d2
[INFO] running `Command { std: "docker" "start" "-a" "32294f9d04d66120e4ee77f9e40a8f0351344c6b686a5ae4447fcf7e02aaa9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32294f9d04d66120e4ee77f9e40a8f0351344c6b686a5ae4447fcf7e02aaa9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32294f9d04d66120e4ee77f9e40a8f0351344c6b686a5ae4447fcf7e02aaa9d2", kill_on_drop: false }`
[INFO] [stdout] 32294f9d04d66120e4ee77f9e40a8f0351344c6b686a5ae4447fcf7e02aaa9d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 69ecebd6d0fd8a170c63f4073586cff438b27661f90768092d8479bba0f25b2e
[INFO] running `Command { std: "docker" "start" "-a" "69ecebd6d0fd8a170c63f4073586cff438b27661f90768092d8479bba0f25b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling somerville-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "69ecebd6d0fd8a170c63f4073586cff438b27661f90768092d8479bba0f25b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ecebd6d0fd8a170c63f4073586cff438b27661f90768092d8479bba0f25b2e", kill_on_drop: false }`
[INFO] [stdout] 69ecebd6d0fd8a170c63f4073586cff438b27661f90768092d8479bba0f25b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f31aa24be478189d2d7c7913beef608325edb025d4b6fe1b786ca734d08d97f0
[INFO] running `Command { std: "docker" "start" "-a" "f31aa24be478189d2d7c7913beef608325edb025d4b6fe1b786ca734d08d97f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling somerville-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "f31aa24be478189d2d7c7913beef608325edb025d4b6fe1b786ca734d08d97f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31aa24be478189d2d7c7913beef608325edb025d4b6fe1b786ca734d08d97f0", kill_on_drop: false }`
[INFO] [stdout] f31aa24be478189d2d7c7913beef608325edb025d4b6fe1b786ca734d08d97f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b90819e464f4c35aa405773b12f8fc8144352b3ca2ef748d35617322ddc5b7a2
[INFO] running `Command { std: "docker" "start" "-a" "b90819e464f4c35aa405773b12f8fc8144352b3ca2ef748d35617322ddc5b7a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/somerville_core-71202fa8c044cc7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests somerville_core
[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" "b90819e464f4c35aa405773b12f8fc8144352b3ca2ef748d35617322ddc5b7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90819e464f4c35aa405773b12f8fc8144352b3ca2ef748d35617322ddc5b7a2", kill_on_drop: false }`
[INFO] [stdout] b90819e464f4c35aa405773b12f8fc8144352b3ca2ef748d35617322ddc5b7a2