[INFO] fetching crate musb 0.3.0...
[INFO] building musb-0.3.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate musb 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate musb 0.3.0
[INFO] finished tweaking crates.io crate musb 0.3.0
[INFO] tweaked toml for crates.io crate musb 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate musb 0.3.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate musb 0.3.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.1
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded embassy-usb-driver v0.2.0
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded embassy-sync v0.7.2
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded usb-device v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cad495be945760696b7bfdaacb4b966a66697da9fc25f3663915bad8b3e21d7
[INFO] running `Command { std: "docker" "start" "-a" "2cad495be945760696b7bfdaacb4b966a66697da9fc25f3663915bad8b3e21d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cad495be945760696b7bfdaacb4b966a66697da9fc25f3663915bad8b3e21d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cad495be945760696b7bfdaacb4b966a66697da9fc25f3663915bad8b3e21d7", kill_on_drop: false }`
[INFO] [stdout] 2cad495be945760696b7bfdaacb4b966a66697da9fc25f3663915bad8b3e21d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4b97f39c4e730c46a77bb581c67a83d7a73776539189deb27e08a79dc159e12
[INFO] running `Command { std: "docker" "start" "-a" "e4b97f39c4e730c46a77bb581c67a83d7a73776539189deb27e08a79dc159e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling rustc-std-workspace-core v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling embassy-usb-driver v0.2.0
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling musb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `musb v0.3.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/musb-a14e8004639c87f6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=registers
[INFO] [stderr]   cargo:rerun-if-changed=build_src
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-env-changed=FEATURE_LIST
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (350) panicked at build_src/feature.rs:30:18:
[INFO] [stderr]   No builtin-xxx Cargo features enabled
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c37e2885aa2 - std::backtrace_rs::backtrace::libunwind::trace::h52580dd202462214
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c37e2885aa2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc969519abce0f52b
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c37e2885aa2 - std::sys::backtrace::_print_fmt::hfd5825900b6e0030
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c37e2885aa2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h427144ad75cfb218
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c37e2894e0f - core::fmt::rt::Argument::fmt::hd5ccc9cf97cea7f7
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5c37e2894e0f - core::fmt::write::h593aaf5adf0f5dae
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5c37e2862711 - std::io::default_write_fmt::hf108c2855e591a7c
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c37e2862711 - std::io::Write::write_fmt::h6e02e29a2bcc97c1
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5c37e28682e2 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c37e2869c1c - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5c37e2869a76 - std::panicking::default_hook::h99456317c5a1a20c
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5c37e286a2a5 - std::panicking::panic_with_hook::h67ab0df20212e4ea
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5c37e286a13a - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5c37e2868419 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c37e285701d - __rustc[8cce077e14951490]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5c37e28982a0 - core::panicking::panic_fmt::h49931053d20abf41
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5c37e2897aab - core::panicking::panic_display::h49297ef55afad4a3
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:259:5
[INFO] [stderr]     17:     0x5c37e2897aab - core::option::expect_failed::hc164c5ea646f77d3
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/option.rs:2177:5
[INFO] [stderr]     18:     0x5c37e2855911 - core::option::Option<T>::expect::ha2c34945c0bb6491
[INFO] [stderr]     19:     0x5c37e2853693 - build_script_build::build_src::feature::Features::get::h7cd461b44e0770d1
[INFO] [stderr]     20:     0x5c37e284e672 - build_script_build::prebuild::h53c0fb6e38226311
[INFO] [stderr]     21:     0x5c37e284e64f - build_script_build::main::h9c26e0257d399d4d
[INFO] [stderr]     22:     0x5c37e2853cc3 - core::ops::function::FnOnce::call_once::h0c988b6cc03c62fa
[INFO] [stderr]     23:     0x5c37e2853a56 - std::sys::backtrace::__rust_begin_short_backtrace::h9602c328d3064085
[INFO] [stderr]     24:     0x5c37e284f759 - std::rt::lang_start::{{closure}}::ha71553f7483b02c3
[INFO] [stderr]     25:     0x5c37e2863f10 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb84e9e033646564e
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     26:     0x5c37e2863f10 - std::panicking::catch_unwind::do_call::hbd46cd07e9e2b512
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x5c37e2863f10 - std::panicking::catch_unwind::hd048d6861d343544
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x5c37e2863f10 - std::panic::catch_unwind::h141ca8973277f822
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5c37e2863f10 - std::rt::lang_start_internal::{{closure}}::hc1f3273d5e4e0426
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/rt.rs:175:24
[INFO] [stderr]     30:     0x5c37e2863f10 - std::panicking::catch_unwind::do_call::hc215ba2b02ac1f8c
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40
[INFO] [stderr]     31:     0x5c37e2863f10 - std::panicking::catch_unwind::h67f54bbdc14963b0
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19
[INFO] [stderr]     32:     0x5c37e2863f10 - std::panic::catch_unwind::h7d01c664f3f34538
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14
[INFO] [stderr]     33:     0x5c37e2863f10 - std::rt::lang_start_internal::hcbf1d15fae983a0f
[INFO] [stderr]                                  at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/rt.rs:171:5
[INFO] [stderr]     34:     0x5c37e284f741 - std::rt::lang_start::hdc3748c11a0dbf6d
[INFO] [stderr]     35:     0x5c37e2852805 - main
[INFO] [stderr]     36:     0x768d39e931ca - <unknown>
[INFO] [stderr]     37:     0x768d39e9328b - __libc_start_main
[INFO] [stderr]     38:     0x5c37e284ddd5 - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e4b97f39c4e730c46a77bb581c67a83d7a73776539189deb27e08a79dc159e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b97f39c4e730c46a77bb581c67a83d7a73776539189deb27e08a79dc159e12", kill_on_drop: false }`
[INFO] [stdout] e4b97f39c4e730c46a77bb581c67a83d7a73776539189deb27e08a79dc159e12