[INFO] fetching crate memscope-rs 0.1.5... [INFO] testing memscope-rs-0.1.5 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate memscope-rs 0.1.5 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate memscope-rs 0.1.5 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate memscope-rs 0.1.5 [INFO] tweaked toml for crates.io crate memscope-rs 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate memscope-rs 0.1.5 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 memscope-rs 0.1.5 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aec110ad402d86ff76be58a8ce4e80a48f80d39d283d373e16254287ea82b28e [INFO] running `Command { std: "docker" "start" "-a" "aec110ad402d86ff76be58a8ce4e80a48f80d39d283d373e16254287ea82b28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aec110ad402d86ff76be58a8ce4e80a48f80d39d283d373e16254287ea82b28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aec110ad402d86ff76be58a8ce4e80a48f80d39d283d373e16254287ea82b28e", kill_on_drop: false }` [INFO] [stdout] aec110ad402d86ff76be58a8ce4e80a48f80d39d283d373e16254287ea82b28e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ebd12f262d0ec2437dffefb50c683d83262b70ea66231903940edec66450b69c [INFO] running `Command { std: "docker" "start" "-a" "ebd12f262d0ec2437dffefb50c683d83262b70ea66231903940edec66450b69c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling colorchoice v1.0.4 [INFO] [stderr] Compiling anstyle-parse v0.2.7 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling anstyle v1.0.11 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling anstyle-query v1.1.3 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling overload v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling anstream v0.6.19 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling clap_lex v0.7.5 [INFO] [stderr] Compiling clap_builder v4.5.41 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling nu-ansi-term v0.46.0 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling iana-time-zone v0.1.63 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling dashmap v6.1.0 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling svg v0.18.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling clap_derive v4.5.41 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling clap v4.5.41 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling memscope-rs v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `BinaryUnsafeReport` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:803:12 [INFO] [stdout] | [INFO] [stdout] 803 | pub struct BinaryUnsafeReport { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryMemoryPassport` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:859:12 [INFO] [stdout] | [INFO] [stdout] 859 | pub struct BinaryMemoryPassport { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryCallStackRef` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:907:12 [INFO] [stdout] | [INFO] [stdout] 907 | pub struct BinaryCallStackRef { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryBorrowInfo` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:937:12 [INFO] [stdout] | [INFO] [stdout] 937 | pub struct BinaryBorrowInfo { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryCloneInfo` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:992:12 [INFO] [stdout] | [INFO] [stdout] 992 | pub struct BinaryCloneInfo { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryOwnershipEvent` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:1034:12 [INFO] [stdout] | [INFO] [stdout] 1034 | pub struct BinaryOwnershipEvent { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryResolvedFfiFunction` is never constructed [INFO] [stdout] --> src/export/binary/serializable.rs:1102:12 [INFO] [stdout] | [INFO] [stdout] 1102 | pub struct BinaryResolvedFfiFunction { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_f32` is never used [INFO] [stdout] --> src/export/binary/serializable.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn write_f32(writer: &mut W, value: f32) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_f32` is never used [INFO] [stdout] --> src/export/binary/serializable.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn read_f32(reader: &mut R) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_string_option` is never used [INFO] [stdout] --> src/export/binary/serializable.rs:158:12 [INFO] [stdout] | [INFO] [stdout] 158 | pub fn write_string_option( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_string_option` is never used [INFO] [stdout] --> src/export/binary/serializable.rs:175:12 [INFO] [stdout] | [INFO] [stdout] 175 | pub fn read_string_option( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `memscope-rs` (lib); 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name memscope_rs --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="parking-lot"' --cfg 'feature="tracking-allocator"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("backtrace", "default", "derive", "parking-lot", "test", "tracking-allocator"))' -C metadata=104a6961cbb95e23 -C extra-filename=-561a6e5f945b99c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-b1f774bc0d4b6e97.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c79cdadd8d3796c6.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-bb86ee7beecbb6cc.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-6042cc8507a78c31.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-868feccc0e913cf3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-8b0d0349396ce38a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f40c130987041770.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-0e15620be03f3c6d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6390805927a93140.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-ac59d38e47f02059.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-15faee68644490d0.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9316d3bb06fb9ff1.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e123d6a781d03ab0.rmeta --extern svg=/opt/rustwide/target/debug/deps/libsvg-b10ebba989404656.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c93cac18f99f30b8.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-a9465f6c9ac9b060.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-45efcab5827f005c.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "ebd12f262d0ec2437dffefb50c683d83262b70ea66231903940edec66450b69c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebd12f262d0ec2437dffefb50c683d83262b70ea66231903940edec66450b69c", kill_on_drop: false }` [INFO] [stdout] ebd12f262d0ec2437dffefb50c683d83262b70ea66231903940edec66450b69c