[INFO] fetching crate mechtron 0.3.14...
[INFO] testing mechtron-0.3.14 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mechtron 0.3.14 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mechtron 0.3.14
[INFO] finished tweaking crates.io crate mechtron 0.3.14
[INFO] tweaked toml for crates.io crate mechtron 0.3.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mechtron 0.3.14 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 124 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29fff516e1f691428a9b7e20a4ac9dad217b11329137a1190285b7e1d7b4e701
[INFO] running `Command { std: "docker" "start" "-a" "29fff516e1f691428a9b7e20a4ac9dad217b11329137a1190285b7e1d7b4e701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29fff516e1f691428a9b7e20a4ac9dad217b11329137a1190285b7e1d7b4e701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fff516e1f691428a9b7e20a4ac9dad217b11329137a1190285b7e1d7b4e701", kill_on_drop: false }`
[INFO] [stdout] 29fff516e1f691428a9b7e20a4ac9dad217b11329137a1190285b7e1d7b4e701
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b090f914172072388a98ae9f5084253df7da7c5b7f0f2f8b1158f5ea7aa2624
[INFO] running `Command { std: "docker" "start" "-a" "1b090f914172072388a98ae9f5084253df7da7c5b7f0f2f8b1158f5ea7aa2624", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling brownstone v1.1.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling ariadne v0.1.5
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling nom_locate v4.2.0
[INFO] [stderr]    Compiling nom-supreme v0.6.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling cosmic-macros-primitive v0.3.14
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling cosmic-nom v0.3.14
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling validator v0.15.0
[INFO] [stderr]    Compiling cosmic-space v0.3.14
[INFO] [stderr]    Compiling cosmic-macros v0.3.14
[INFO] [stderr]    Compiling mechtron v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.29s
[INFO] running `Command { std: "docker" "inspect" "1b090f914172072388a98ae9f5084253df7da7c5b7f0f2f8b1158f5ea7aa2624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b090f914172072388a98ae9f5084253df7da7c5b7f0f2f8b1158f5ea7aa2624", kill_on_drop: false }`
[INFO] [stdout] 1b090f914172072388a98ae9f5084253df7da7c5b7f0f2f8b1158f5ea7aa2624
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461b6be04efa70331dd8d03ce2959e1879b4d8925a96dbc3551c8ec847ae62dd
[INFO] running `Command { std: "docker" "start" "-a" "461b6be04efa70331dd8d03ce2959e1879b4d8925a96dbc3551c8ec847ae62dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mechtron v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "461b6be04efa70331dd8d03ce2959e1879b4d8925a96dbc3551c8ec847ae62dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461b6be04efa70331dd8d03ce2959e1879b4d8925a96dbc3551c8ec847ae62dd", kill_on_drop: false }`
[INFO] [stdout] 461b6be04efa70331dd8d03ce2959e1879b4d8925a96dbc3551c8ec847ae62dd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 162d8f31541085083677ee361579348ffdeceb5dddd58fd46f3ca1fa25631272
[INFO] running `Command { std: "docker" "start" "-a" "162d8f31541085083677ee361579348ffdeceb5dddd58fd46f3ca1fa25631272", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mechtron-c9c34d40f999ed66)
[INFO] [stdout] test test::test ... ok
[INFO] [stderr]    Doc-tests mechtron
[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] [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" "162d8f31541085083677ee361579348ffdeceb5dddd58fd46f3ca1fa25631272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162d8f31541085083677ee361579348ffdeceb5dddd58fd46f3ca1fa25631272", kill_on_drop: false }`
[INFO] [stdout] 162d8f31541085083677ee361579348ffdeceb5dddd58fd46f3ca1fa25631272