[INFO] fetching crate stm32l0xx-hal 0.7.0...
[INFO] checking stm32l0xx-hal-0.7.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate stm32l0xx-hal 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stm32l0xx-hal 0.7.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking crates.io crate stm32l0xx-hal 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stm32l0xx-hal 0.7.0
[INFO] tweaked toml for crates.io crate stm32l0xx-hal 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate stm32l0xx-hal 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32l0 v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 102b90851390c0ea99657b8a869f42485d07f47945d7369f7b7278dc7b0c670a
[INFO] running `Command { std: "docker" "start" "-a" "102b90851390c0ea99657b8a869f42485d07f47945d7369f7b7278dc7b0c670a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "102b90851390c0ea99657b8a869f42485d07f47945d7369f7b7278dc7b0c670a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102b90851390c0ea99657b8a869f42485d07f47945d7369f7b7278dc7b0c670a", kill_on_drop: false }`
[INFO] [stdout] 102b90851390c0ea99657b8a869f42485d07f47945d7369f7b7278dc7b0c670a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffc719fdf29be637523848c6e18782f26d585343b8ba55e14de2955509ef904a
[INFO] running `Command { std: "docker" "start" "-a" "ffc719fdf29be637523848c6e18782f26d585343b8ba55e14de2955509ef904a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling stm32l0 v0.10.0
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32l0xx-hal v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking usb-device v0.2.7
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr] error: failed to run custom build command for `stm32l0xx-hal v0.7.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/stm32l0xx-hal-f515f5b76f5d18cf/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr]   Must select exactly one package for linker script generation!
[INFO] [stderr]   Choices: 'stm32l0x1' or 'stm32l0x2' or 'stm32l0x3'
[INFO] [stderr]   Alternatively, pick the mcu-feature that matches your MCU, for example 'mcu-STM32L071KBTx'
[INFO] [stderr] 
[INFO] [stderr]   ', build.rs:25:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56533c7798bc - std::backtrace_rs::backtrace::libunwind::trace::h2ab374bc2a3b7023
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56533c7798bc - std::backtrace_rs::backtrace::trace_unsynchronized::h128cb5178b04dc46
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56533c7798bc - std::sys_common::backtrace::_print_fmt::h5344f9eefca2041f
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56533c7798bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h213003bc5c7acf04
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56533c793d0c - core::fmt::write::h78bf85fc3e93663f
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/fmt/mod.rs:1126:17
[INFO] [stderr]      5:     0x56533c777935 - std::io::Write::write_fmt::he619515c888f21a5
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x56533c77afb0 - std::sys_common::backtrace::_print::hf706674f77848203
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56533c77afb0 - std::sys_common::backtrace::print::hf0b6c7a88804ec56
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56533c77afb0 - std::panicking::default_hook::{{closure}}::h2dde766cd83a333a
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x56533c77ab67 - std::panicking::default_hook::h501e3b2e134eb149
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x56533c77b664 - std::panicking::rust_panic_with_hook::hc09e869c4cf00885
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x56533c764b9e - std::panicking::begin_panic::{{closure}}::ha5f42e350b266ccc
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:544:9
[INFO] [stderr]     12:     0x56533c765c08 - std::sys_common::backtrace::__rust_end_short_backtrace::h13e6bfedec05a43a
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56533c764adf - std::panicking::begin_panic::h266b1fbeef700cf4
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:543:12
[INFO] [stderr]     14:     0x56533c766008 - build_script_build::main::h9f5a175d98ace923
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:25:9
[INFO] [stderr]     15:     0x56533c765cfb - core::ops::function::FnOnce::call_once::hfe39b6f954d9be9b
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x56533c765c4e - std::sys_common::backtrace::__rust_begin_short_backtrace::h888be6d5c2fcaadf
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x56533c765181 - std::rt::lang_start::{{closure}}::h1a8eeae303f89446
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:64:18
[INFO] [stderr]     18:     0x56533c77bb6a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hab43eb8ec758341e
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x56533c77bb6a - std::panicking::try::do_call::hb667fefd650e964d
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:403:40
[INFO] [stderr]     20:     0x56533c77bb6a - std::panicking::try::hc279775c9409768d
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:367:19
[INFO] [stderr]     21:     0x56533c77bb6a - std::panic::catch_unwind::hbe8b6ecc84f73073
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panic.rs:133:14
[INFO] [stderr]     22:     0x56533c77bb6a - std::rt::lang_start_internal::{{closure}}::hb04fdaef496a162b
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:46:48
[INFO] [stderr]     23:     0x56533c77bb6a - std::panicking::try::do_call::habca359de051411d
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x56533c77bb6a - std::panicking::try::h24c556a6948e0937
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x56533c77bb6a - std::panic::catch_unwind::h58075d47f5a308d8
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x56533c77bb6a - std::rt::lang_start_internal::h3d20dc1537d76758
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:46:20
[INFO] [stderr]     27:     0x56533c765150 - std::rt::lang_start::hda7a8f5925e1e725
[INFO] [stderr]                                  at /rustc/8de4b308b608cded0ebccf658a0fc719bce87d4e/library/std/src/rt.rs:63:17
[INFO] [stderr]     28:     0x56533c76605c - main
[INFO] [stderr]     29:     0x7fdda12ff0b3 - __libc_start_main
[INFO] [stderr]     30:     0x56533c7644ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ffc719fdf29be637523848c6e18782f26d585343b8ba55e14de2955509ef904a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc719fdf29be637523848c6e18782f26d585343b8ba55e14de2955509ef904a", kill_on_drop: false }`
[INFO] [stdout] ffc719fdf29be637523848c6e18782f26d585343b8ba55e14de2955509ef904a