[INFO] fetching crate ergot-base 0.9.1...
[INFO] testing ergot-base-0.9.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ergot-base 0.9.1 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ergot-base 0.9.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 596d11bb169bb5489cb4a9a4ad8a2af5a9204f5793e4905bc572f14d87101382
[INFO] running `Command { std: "docker" "start" "-a" "596d11bb169bb5489cb4a9a4ad8a2af5a9204f5793e4905bc572f14d87101382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596d11bb169bb5489cb4a9a4ad8a2af5a9204f5793e4905bc572f14d87101382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596d11bb169bb5489cb4a9a4ad8a2af5a9204f5793e4905bc572f14d87101382", kill_on_drop: false }`
[INFO] [stdout] 596d11bb169bb5489cb4a9a4ad8a2af5a9204f5793e4905bc572f14d87101382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c12294d1f51c0eacb8d13035d36de673bad769b24c848ec705fbe338487fab1b
[INFO] running `Command { std: "docker" "start" "-a" "c12294d1f51c0eacb8d13035d36de673bad769b24c848ec705fbe338487fab1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling mutex-traits v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling mycelium-bitfield v0.1.5
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling mutex v1.0.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling cordyceps v0.3.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling const-init v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling const-fnv1a-hash v1.1.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling embassy-time v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[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 heapless v0.7.17
[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 12.35s
[INFO] running `Command { std: "docker" "inspect" "c12294d1f51c0eacb8d13035d36de673bad769b24c848ec705fbe338487fab1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12294d1f51c0eacb8d13035d36de673bad769b24c848ec705fbe338487fab1b", kill_on_drop: false }`
[INFO] [stdout] c12294d1f51c0eacb8d13035d36de673bad769b24c848ec705fbe338487fab1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8775ebfc6b42dc388324e529b61586392b189f34ba605049249fdffdc34cd8e2
[INFO] running `Command { std: "docker" "start" "-a" "8775ebfc6b42dc388324e529b61586392b189f34ba605049249fdffdc34cd8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[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/rustcLRAPKl/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libheapless-602150f032b252e7,libhash32-deabc1ee08c68959,libcobs-3436e42170278246,libthiserror-f571820f58a53860}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libtokio-986f13acaa8af7ed,libsocket2-3d90c93e388309af,libbytes-bfe11088fe358bd1,libmio-c892ba51323828a3,liblibc-a1f51a53e348ca20,libpin_project_lite-bedc6e0acd72ff2a,libmutex-3529cf2b5332d545,libcritical_section-7ae85dd10a4c8596,libconst_fnv1a_hash-4692cede0e548cae,libpostcard-555b56df3c5c1f9a,libheapless-48c95717363d754c,libstable_deref_trait-5f51a5ca749ede17,libspin-391fe0190f8b0199,liblock_api-47948af6bba6d2a8,libscopeguard-d52bd00767847e44,libhash32-0523e9d7b6fc733e,libbyteorder-7df9ab1ae37e1368,libcobs-476431aeb6637d20,libbbq2-44d5e36c26242902,libmaitake_sync-965234b289854972,libmycelium_bitfield-5088f2eb651f3b40,libcordyceps-79af3deeeaf64753,libpin_project-70a06c3d7f29a794,libmutex_traits-a562b9ff132a5e78,libportable_atomic-5a60ab32f8ae7862,libconst_init-a4f3cbc718767a1a,liblog-394b918668cad64a,libserde-057d699a93733dc1}.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/rustcLRAPKl/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-4047fa252c263b7f" "-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-4047fa252c263b7f.ergot_base.fa2087dc0732640d-cgu.0.rcgu.o:(critical_section::with::hb3636ba2a99c0f7f)
[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-4047fa252c263b7f.ergot_base.fa2087dc0732640d-cgu.0.rcgu.o:(critical_section::with::hd4e4582cacd4b57e)
[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-4047fa252c263b7f.ergot_base.fa2087dc0732640d-cgu.0.rcgu.o:(core::ptr::drop_in_place$LT$critical_section..with..Guard$GT$::h62b6d6726bba4f83)
[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" "8775ebfc6b42dc388324e529b61586392b189f34ba605049249fdffdc34cd8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8775ebfc6b42dc388324e529b61586392b189f34ba605049249fdffdc34cd8e2", kill_on_drop: false }`
[INFO] [stdout] 8775ebfc6b42dc388324e529b61586392b189f34ba605049249fdffdc34cd8e2