[INFO] fetching crate j1939-async 0.1.0-alpha1... [INFO] testing j1939-async-0.1.0-alpha1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate j1939-async 0.1.0-alpha1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate j1939-async 0.1.0-alpha1 [INFO] finished tweaking crates.io crate j1939-async 0.1.0-alpha1 [INFO] tweaked toml for crates.io crate j1939-async 0.1.0-alpha1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate j1939-async 0.1.0-alpha1 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 j1939-async 0.1.0-alpha1 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] 61265b309fcdcec4d5ea6c9d3d42467a7999e61820d6f21209aabc16b2b839ce [INFO] running `Command { std: "docker" "start" "-a" "61265b309fcdcec4d5ea6c9d3d42467a7999e61820d6f21209aabc16b2b839ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61265b309fcdcec4d5ea6c9d3d42467a7999e61820d6f21209aabc16b2b839ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61265b309fcdcec4d5ea6c9d3d42467a7999e61820d6f21209aabc16b2b839ce", kill_on_drop: false }` [INFO] [stdout] 61265b309fcdcec4d5ea6c9d3d42467a7999e61820d6f21209aabc16b2b839ce [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] 348a04c4778f14311c105277c23dbd6a710098c137afcb3462b87ba918198719 [INFO] running `Command { std: "docker" "start" "-a" "348a04c4778f14311c105277c23dbd6a710098c137afcb3462b87ba918198719", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling defmt-macros v1.0.1 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling defmt v1.0.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling embedded-hal-async v1.0.0 [INFO] [stderr] Compiling embedded-hal v1.0.0 [INFO] [stderr] Compiling lexical-util v0.8.5 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling ufmt-write v0.1.0 [INFO] [stderr] Compiling embedded-can v0.4.1 [INFO] [stderr] Compiling hash32 v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling rtt-target v0.3.1 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling lexical-parse-integer v0.8.6 [INFO] [stderr] Compiling lexical-write-integer v0.8.5 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling lexical-parse-float v0.8.5 [INFO] [stderr] Compiling lexical-write-float v0.8.5 [INFO] [stderr] Compiling lexical-core v0.8.5 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling bitfield-macros v0.19.0 [INFO] [stderr] Compiling bitfield v0.19.0 [INFO] [stderr] Compiling defmt-parser v1.0.0 [INFO] [stderr] Compiling defmt v0.3.100 [INFO] [stderr] Compiling j1939-async v0.1.0-alpha1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/name/name.rs:88:23 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn bytes_iter(&self) -> NameBytesIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/name.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 88 | pub fn bytes_iter(&self) -> NameBytesIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.87s [INFO] running `Command { std: "docker" "inspect" "348a04c4778f14311c105277c23dbd6a710098c137afcb3462b87ba918198719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "348a04c4778f14311c105277c23dbd6a710098c137afcb3462b87ba918198719", kill_on_drop: false }` [INFO] [stdout] 348a04c4778f14311c105277c23dbd6a710098c137afcb3462b87ba918198719 [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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c69272da1b16029a2cc18d465ef5733f2d02479b83b6ec3124b5c1f959d923e [INFO] running `Command { std: "docker" "start" "-a" "8c69272da1b16029a2cc18d465ef5733f2d02479b83b6ec3124b5c1f959d923e", kill_on_drop: false }` [INFO] [stderr] Compiling j1939-async v0.1.0-alpha1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/name/name.rs:88:23 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn bytes_iter(&self) -> NameBytesIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/name.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 88 | pub fn bytes_iter(&self) -> NameBytesIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/name/name.rs:88:23 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn bytes_iter(&self) -> NameBytesIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/name.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 88 | pub fn bytes_iter(&self) -> NameBytesIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc2C6TYC/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libembedded_can-43b15cd6bb556264,libnb-8256a674579b77d4,libbitfield-74fda80cefed8744,libdefmt-9a0d96dcd8b5c78c,libdefmt-faf8a29e72446b3f,libbitflags-dde12b0d7d495b50}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{liblexical_core-5e658a7c30900d65,liblexical_write_float-fe12bc8f3cd4f836,liblexical_write_integer-bfa369f3c51f9bc3,liblexical_util-6c73d94b43250c75,libstatic_assertions-f0217ecdd817a834,libheapless-3845653d7eecfd1d,libhash32-330d213bc4e806b1,libbyteorder-66cc2296229155f6}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc2C6TYC/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/defmt-a497550027ff8332/out" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/j1939_async-5e6c166177fbc941" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: undefined symbol: _defmt_release [INFO] [stdout] >>> referenced by mod.rs:71 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/defmt-1.0.1/src/export/mod.rs:71) [INFO] [stdout] >>> /opt/rustwide/target/debug/deps/j1939_async-5e6c166177fbc941.j1939_async.ff9c8bd4e54b17ed-cgu.1.rcgu.o:(j1939_async::name::name_table::set_info_state::h76a6989396c9ab47) [INFO] [stdout] >>> referenced by mod.rs:71 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/defmt-1.0.1/src/export/mod.rs:71) [INFO] [stdout] >>> /opt/rustwide/target/debug/deps/j1939_async-5e6c166177fbc941.j1939_async.ff9c8bd4e54b17ed-cgu.2.rcgu.o:(j1939_async::name::name_manager::NameManager::on_can_frame::he5b276d8a6018bb9) [INFO] [stdout] >>> referenced by mod.rs:71 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/defmt-1.0.1/src/export/mod.rs:71) [INFO] [stdout] >>> /opt/rustwide/target/debug/deps/j1939_async-5e6c166177fbc941.j1939_async.ff9c8bd4e54b17ed-cgu.2.rcgu.o:(j1939_async::name::name_manager::NameManager::process_claim::he59e2e6594437635) [INFO] [stdout] >>> referenced 9 more times [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: _defmt_acquire [INFO] [stdout] >>> referenced by mod.rs:55 (src/export/mod.rs:55) [INFO] [stdout] >>> defmt-faf8a29e72446b3f.defmt.256ecbcd26d272d8-cgu.0.rcgu.o:(defmt::export::acquire_and_header::hb38339418dc4c142) in archive /opt/rustwide/target/debug/deps/libdefmt-faf8a29e72446b3f.rlib [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: _defmt_timestamp [INFO] [stdout] >>> referenced by mod.rs:98 (src/export/mod.rs:98) [INFO] [stdout] >>> defmt-faf8a29e72446b3f.defmt.256ecbcd26d272d8-cgu.0.rcgu.o:(defmt::export::acquire_and_header::hb38339418dc4c142) in archive /opt/rustwide/target/debug/deps/libdefmt-faf8a29e72446b3f.rlib [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: _defmt_write [INFO] [stdout] >>> referenced by mod.rs:85 (src/export/mod.rs:85) [INFO] [stdout] >>> defmt-faf8a29e72446b3f.defmt.256ecbcd26d272d8-cgu.0.rcgu.o:(defmt::export::istr::hd4e387edf77172ad) in archive /opt/rustwide/target/debug/deps/libdefmt-faf8a29e72446b3f.rlib [INFO] [stdout] >>> referenced by mod.rs:85 (src/export/mod.rs:85) [INFO] [stdout] >>> defmt-faf8a29e72446b3f.defmt.256ecbcd26d272d8-cgu.0.rcgu.o:(defmt::export::integers::u8::hbc98b6f3e4d2e786) in archive /opt/rustwide/target/debug/deps/libdefmt-faf8a29e72446b3f.rlib [INFO] [stdout] >>> referenced by mod.rs:85 (src/export/mod.rs:85) [INFO] [stdout] >>> defmt-faf8a29e72446b3f.defmt.256ecbcd26d272d8-cgu.0.rcgu.o:(defmt::export::integers::u32::hccc445039087ad01) in archive /opt/rustwide/target/debug/deps/libdefmt-faf8a29e72446b3f.rlib [INFO] [stdout] >>> referenced 1 more times [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `j1939-async` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8c69272da1b16029a2cc18d465ef5733f2d02479b83b6ec3124b5c1f959d923e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c69272da1b16029a2cc18d465ef5733f2d02479b83b6ec3124b5c1f959d923e", kill_on_drop: false }` [INFO] [stdout] 8c69272da1b16029a2cc18d465ef5733f2d02479b83b6ec3124b5c1f959d923e