[INFO] fetching crate serialscale 0.1.2...
[INFO] testing serialscale-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serialscale 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serialscale 0.1.2
[INFO] finished tweaking crates.io crate serialscale 0.1.2
[INFO] tweaked toml for crates.io crate serialscale 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialscale 0.1.2 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 serialscale 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a7019293b51ae2fd37fc8ed89c3219ece09b0ef0b2b13658e96c7cfb92d08e21
[INFO] running `Command { std: "docker" "start" "-a" "a7019293b51ae2fd37fc8ed89c3219ece09b0ef0b2b13658e96c7cfb92d08e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7019293b51ae2fd37fc8ed89c3219ece09b0ef0b2b13658e96c7cfb92d08e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7019293b51ae2fd37fc8ed89c3219ece09b0ef0b2b13658e96c7cfb92d08e21", kill_on_drop: false }`
[INFO] [stdout] a7019293b51ae2fd37fc8ed89c3219ece09b0ef0b2b13658e96c7cfb92d08e21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 25317460d2749c45a6caac7432ecc494bc780fbfbc1374eebb3945799f16b7bc
[INFO] running `Command { std: "docker" "start" "-a" "25317460d2749c45a6caac7432ecc494bc780fbfbc1374eebb3945799f16b7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling winnow v0.6.8
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling chunked_transfer v1.5.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling ascii_converter v0.3.0
[INFO] [stderr]    Compiling tiny_http v0.12.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling unescaper v0.1.4
[INFO] [stderr]    Compiling serialport v4.3.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling serde_spanned v0.6.6
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling toml_edit v0.22.13
[INFO] [stderr]    Compiling toml v0.8.13
[INFO] [stderr]    Compiling serialscale v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.89s
[INFO] running `Command { std: "docker" "inspect" "25317460d2749c45a6caac7432ecc494bc780fbfbc1374eebb3945799f16b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25317460d2749c45a6caac7432ecc494bc780fbfbc1374eebb3945799f16b7bc", kill_on_drop: false }`
[INFO] [stdout] 25317460d2749c45a6caac7432ecc494bc780fbfbc1374eebb3945799f16b7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 68049898165db2a7ac151bb4eaf65b3d5c1db390fd1edd4fe7a3333c3ed3f95b
[INFO] running `Command { std: "docker" "start" "-a" "68049898165db2a7ac151bb4eaf65b3d5c1db390fd1edd4fe7a3333c3ed3f95b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialscale v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "68049898165db2a7ac151bb4eaf65b3d5c1db390fd1edd4fe7a3333c3ed3f95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68049898165db2a7ac151bb4eaf65b3d5c1db390fd1edd4fe7a3333c3ed3f95b", kill_on_drop: false }`
[INFO] [stdout] 68049898165db2a7ac151bb4eaf65b3d5c1db390fd1edd4fe7a3333c3ed3f95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2372dfaf7752c6e02fa2b331fbc72b624c388e4e6c7fb8b525529444ab276b3b
[INFO] running `Command { std: "docker" "start" "-a" "2372dfaf7752c6e02fa2b331fbc72b624c388e4e6c7fb8b525529444ab276b3b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serialscale-a5d8fbc4dbc8747f)
[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" "2372dfaf7752c6e02fa2b331fbc72b624c388e4e6c7fb8b525529444ab276b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2372dfaf7752c6e02fa2b331fbc72b624c388e4e6c7fb8b525529444ab276b3b", kill_on_drop: false }`
[INFO] [stdout] 2372dfaf7752c6e02fa2b331fbc72b624c388e4e6c7fb8b525529444ab276b3b