[INFO] fetching crate ergot-base 0.9.1...
[INFO] testing ergot-base-0.9.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ergot-base 0.9.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ergot-base 0.9.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ergot-base 0.9.1
[INFO] tweaked toml for crates.io crate ergot-base 0.9.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ergot-base 0.9.1 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 ergot-base 0.9.1 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] c6c8eaf7abc98ca2aa52655f6ac5f608bbae4953adca3da91fdc34b0327ab91c
[INFO] running `Command { std: "docker" "start" "-a" "c6c8eaf7abc98ca2aa52655f6ac5f608bbae4953adca3da91fdc34b0327ab91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c8eaf7abc98ca2aa52655f6ac5f608bbae4953adca3da91fdc34b0327ab91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c8eaf7abc98ca2aa52655f6ac5f608bbae4953adca3da91fdc34b0327ab91c", kill_on_drop: false }`
[INFO] [stdout] c6c8eaf7abc98ca2aa52655f6ac5f608bbae4953adca3da91fdc34b0327ab91c
[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] 6842f70421986af9c43d5d34c765261545a9e4dd984d9981567bcbb928742243
[INFO] running `Command { std: "docker" "start" "-a" "6842f70421986af9c43d5d34c765261545a9e4dd984d9981567bcbb928742243", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling mutex-traits v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling mutex v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling mycelium-bitfield v0.1.5
[INFO] [stderr]    Compiling cordyceps v0.3.4
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling const-init v1.0.0
[INFO] [stderr]    Compiling const-fnv1a-hash v1.1.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling embassy-time v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling maitake-sync v0.2.2
[INFO] [stderr]    Compiling cobs v0.4.0
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling cobs-acc v0.1.0
[INFO] [stderr]    Compiling bbq2 v0.4.2
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling ergot-base v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `Command { std: "docker" "inspect" "6842f70421986af9c43d5d34c765261545a9e4dd984d9981567bcbb928742243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6842f70421986af9c43d5d34c765261545a9e4dd984d9981567bcbb928742243", kill_on_drop: false }`
[INFO] [stdout] 6842f70421986af9c43d5d34c765261545a9e4dd984d9981567bcbb928742243
[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] 739506fb399b7737db5460d080a049f996dfeb39a869fb1cb1820c03bdf8a8e7
[INFO] running `Command { std: "docker" "start" "-a" "739506fb399b7737db5460d080a049f996dfeb39a869fb1cb1820c03bdf8a8e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling ergot-base v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `to_stdvec` in crate `postcard`
[INFO] [stdout]    --> tests/smoke.rs:100:34
[INFO] [stdout]     |
[INFO] [stdout] 100 |               let body = postcard::to_stdvec(&Example { a: 56, b: 1234 }).unwrap();
[INFO] [stdout]     |                                    ^^^^^^^^^ help: a function with a similar name exists: `to_vec`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/postcard-1.1.1/src/ser/mod.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | / pub fn to_vec<T, const B: usize>(value: &T) -> Result<Vec<u8, B>>
[INFO] [stdout] 155 | | where
[INFO] [stdout] 156 | |     T: Serialize + ?Sized,
[INFO] [stdout]     | |__________________________- similarly named function `to_vec` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/postcard-1.1.1/src/lib.rs:80:22
[INFO] [stdout]     |
[INFO] [stdout]  79 | #[cfg(feature = "use-std")]
[INFO] [stdout]     |       ------------------- the item is gated behind the `use-std` feature
[INFO] [stdout]  80 | pub use ser::{to_io, to_stdvec, to_stdvec_cobs};
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ergot-base` (test "smoke") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcw7hxYI/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libheapless-1ff1876eef85036d,libhash32-00aa6dbbbc96b93a,libcobs-9f95c5803cfacdb2,libthiserror-cbd18903f45fcbec}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libtokio-c895d7ca498b3e26,libsocket2-6564765171e3eb82,libbytes-82ad4f0211bdc963,libmio-2a94fc33dfa6fd9f,liblibc-d75767512c50648b,libpin_project_lite-72bf04572caa1c84,libmutex-5cc3ae628aa00b84,libcritical_section-fb1ca78526e87a67,libconst_fnv1a_hash-25a563b5740b971e,libpostcard-e2e0394e7d4c1392,libheapless-e3df623999b43a9a,libstable_deref_trait-932cd180c9d6b0f0,libspin-702351099daa247f,liblock_api-a7c3a9f3e321ce25,libscopeguard-7ec2214574194454,libhash32-8d2751f053253116,libbyteorder-9f6ac6743e38a88c,libcobs-8db55fae6171e63e,libbbq2-c36d2c9f475f4019,libmaitake_sync-399861fc9b297f3d,libmycelium_bitfield-15c1222d006820bf,libcordyceps-eeacb4ab5f0e5640,libpin_project-ebec8a3fd61dac97,libmutex_traits-2cd69c4bc84a59fc,libportable_atomic-a75036a50a81e993,libconst_init-5b8f6c1216b4a5b6,liblog-9c5892e2c6fd8400,libserde-20b06a94228d44c4}.rlib" "<sysroot>/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/rustcw7hxYI/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ergot_base-7f500dc97fba9b3b" "-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: _critical_section_1_0_acquire
[INFO] [stdout]           >>> referenced by lib.rs:202 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:202)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/ergot_base-7f500dc97fba9b3b.ergot_base.21b8f98400c76fdb-cgu.1.rcgu.o:(critical_section::with::h5a4dbc82fcfa799e)
[INFO] [stdout]           >>> referenced by lib.rs:202 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:202)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/ergot_base-7f500dc97fba9b3b.ergot_base.21b8f98400c76fdb-cgu.1.rcgu.o:(critical_section::with::hb50ed2fdf2af33be)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: _critical_section_1_0_release
[INFO] [stdout]           >>> referenced by lib.rs:219 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:219)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/ergot_base-7f500dc97fba9b3b.ergot_base.21b8f98400c76fdb-cgu.0.rcgu.o:(core::ptr::drop_in_place$LT$critical_section..with..Guard$GT$::h20ab2464ae96d86a)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ergot-base` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "739506fb399b7737db5460d080a049f996dfeb39a869fb1cb1820c03bdf8a8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739506fb399b7737db5460d080a049f996dfeb39a869fb1cb1820c03bdf8a8e7", kill_on_drop: false }`
[INFO] [stdout] 739506fb399b7737db5460d080a049f996dfeb39a869fb1cb1820c03bdf8a8e7
