[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<W: Write>(writer: &mut W, value: f32) -> Result<usize, BinaryExportError> {
[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<R: Read>(reader: &mut R) -> Result<f32, BinaryExportError> {
[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<W: Write>(
[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<R: Read>(
[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
