[INFO] fetching crate precord 0.7.15-20250911...
[INFO] testing precord-0.7.15-20250911 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate precord 0.7.15-20250911 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate precord 0.7.15-20250911
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate precord 0.7.15-20250911
[INFO] tweaked toml for crates.io crate precord 0.7.15-20250911 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate precord 0.7.15-20250911 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] crate crates.io crate precord 0.7.15-20250911 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 504a1256ba5206787c30f11f04390ea25f1dccbc83566b3c2dad411436d4091c
[INFO] running `Command { std: "docker" "start" "-a" "504a1256ba5206787c30f11f04390ea25f1dccbc83566b3c2dad411436d4091c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "504a1256ba5206787c30f11f04390ea25f1dccbc83566b3c2dad411436d4091c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504a1256ba5206787c30f11f04390ea25f1dccbc83566b3c2dad411436d4091c", kill_on_drop: false }`
[INFO] [stdout] 504a1256ba5206787c30f11f04390ea25f1dccbc83566b3c2dad411436d4091c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fae098cd8e7df353ec47a77380044cff7232e04d17ed579dac9cd8eec77c28dd
[INFO] running `Command { std: "docker" "start" "-a" "fae098cd8e7df353ec47a77380044cff7232e04d17ed579dac9cd8eec77c28dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v5.0.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling font-kit v0.13.2
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling pathfinder_simd v0.5.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling cstr v0.2.12
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling sysinfo v0.30.13
[INFO] [stderr]    Compiling plotters-bitmap v0.3.6
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.8.3
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling serde_with v3.8.3
[INFO] [stderr]    Compiling precord-core v0.7.15-20250911
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling precord v0.7.15-20250911 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.62s
[INFO] running `Command { std: "docker" "inspect" "fae098cd8e7df353ec47a77380044cff7232e04d17ed579dac9cd8eec77c28dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae098cd8e7df353ec47a77380044cff7232e04d17ed579dac9cd8eec77c28dd", kill_on_drop: false }`
[INFO] [stdout] fae098cd8e7df353ec47a77380044cff7232e04d17ed579dac9cd8eec77c28dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f20dd4cfa76d842f8b57618e6c41c959d907b76acca2f1d53dcba9e7827274fb
[INFO] running `Command { std: "docker" "start" "-a" "f20dd4cfa76d842f8b57618e6c41c959d907b76acca2f1d53dcba9e7827274fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling precord v0.7.15-20250911 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "f20dd4cfa76d842f8b57618e6c41c959d907b76acca2f1d53dcba9e7827274fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20dd4cfa76d842f8b57618e6c41c959d907b76acca2f1d53dcba9e7827274fb", kill_on_drop: false }`
[INFO] [stdout] f20dd4cfa76d842f8b57618e6c41c959d907b76acca2f1d53dcba9e7827274fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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", kill_on_drop: false }`
[INFO] [stdout] 485d4c88cf7b7fd93b67330ac00c705ea635a3a2a571d9ce6a5149a77299d47a
[INFO] running `Command { std: "docker" "start" "-a" "485d4c88cf7b7fd93b67330ac00c705ea635a3a2a571d9ce6a5149a77299d47a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/precord-6093653ce487c26f)
[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] [stderr]      Running tests/system.rs (/opt/rustwide/target/debug/deps/system-94ae737648d4ebd3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test two_smc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "485d4c88cf7b7fd93b67330ac00c705ea635a3a2a571d9ce6a5149a77299d47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485d4c88cf7b7fd93b67330ac00c705ea635a3a2a571d9ce6a5149a77299d47a", kill_on_drop: false }`
[INFO] [stdout] 485d4c88cf7b7fd93b67330ac00c705ea635a3a2a571d9ce6a5149a77299d47a