[INFO] fetching crate stm32l0xx-hal 0.6.2...
[INFO] checking stm32l0xx-hal-0.6.2 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate stm32l0xx-hal 0.6.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stm32l0xx-hal 0.6.2 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate stm32l0xx-hal 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stm32l0xx-hal 0.6.2
[INFO] tweaked toml for crates.io crate stm32l0xx-hal 0.6.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate stm32l0xx-hal 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.4.3
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded cortex-m v0.5.10
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded cortex-m v0.6.2
[INFO] [stderr]   Downloaded stm32l0 v0.10.0
[INFO] [stderr]   Downloaded heapless v0.4.4
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.4.3
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 275f4a284c497fd6297747be19345d5bbc8ed70e64ea2ac5023be59b6735600b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "275f4a284c497fd6297747be19345d5bbc8ed70e64ea2ac5023be59b6735600b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275f4a284c497fd6297747be19345d5bbc8ed70e64ea2ac5023be59b6735600b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275f4a284c497fd6297747be19345d5bbc8ed70e64ea2ac5023be59b6735600b", kill_on_drop: false }`
[INFO] [stdout] 275f4a284c497fd6297747be19345d5bbc8ed70e64ea2ac5023be59b6735600b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3ac5be3f6fbf34de9e316dffc7c685b22fb56765ff0cf238d7df72f2079a68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e3ac5be3f6fbf34de9e316dffc7c685b22fb56765ff0cf238d7df72f2079a68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32l0 v0.10.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling stm32l0xx-hal v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.3
[INFO] [stderr]     Checking usb-device v0.2.5
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking usbd-serial v0.1.0
[INFO] [stderr] error: failed to run custom build command for `stm32l0xx-hal v0.6.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/stm32l0xx-hal-8ef09d328acc6c21/build-script-build` (exit code: 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:     0x55ef2bd143a0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55ef2bd143a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ef2bd143a0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ef2bd143a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ef2bd2ea8c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55ef2bd125e2 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55ef2bd16085 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ef2bd16085 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ef2bd16085 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ef2bd15b33 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55ef2bd16821 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55ef2bd0325a - std::panicking::begin_panic::{{closure}}::hcc5214774c88aa88
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:520:9
[INFO] [stderr]     12:     0x55ef2bd03ee8 - std::sys_common::backtrace::__rust_end_short_backtrace::h22835913b9adb4fb
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ef2bd03197 - std::panicking::begin_panic::h6090116e843a13dd
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:519:12
[INFO] [stderr]     14:     0x55ef2bd02dce - build_script_build::main::h2515a530d467ddd9
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:25:9
[INFO] [stderr]     15:     0x55ef2bd03c4b - core::ops::function::FnOnce::call_once::ha564d34806cc1a0c
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55ef2bd03f1e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3eddc715711f0d0d
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x55ef2bd02f81 - std::rt::lang_start::{{closure}}::hb9c757f21b824e7a
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:66:18
[INFO] [stderr]     18:     0x55ef2bd16c3a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x55ef2bd16c3a - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:379:40
[INFO] [stderr]     20:     0x55ef2bd16c3a - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panicking.rs:343:19
[INFO] [stderr]     21:     0x55ef2bd16c3a - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/panic.rs:431:14
[INFO] [stderr]     22:     0x55ef2bd16c3a - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:51:25
[INFO] [stderr]     23:     0x55ef2bd02f57 - std::rt::lang_start::h94882957a2f9335b
[INFO] [stderr]                                  at /rustc/4a23c45c7893f1416456144e3883cc48ea91722e/library/std/src/rt.rs:65:5
[INFO] [stderr]     24:     0x55ef2bd02e4a - main
[INFO] [stderr]     25:     0x7fd6cb9250b3 - __libc_start_main
[INFO] [stderr]     26:     0x55ef2bd0209e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e3ac5be3f6fbf34de9e316dffc7c685b22fb56765ff0cf238d7df72f2079a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3ac5be3f6fbf34de9e316dffc7c685b22fb56765ff0cf238d7df72f2079a68", kill_on_drop: false }`
[INFO] [stdout] 0e3ac5be3f6fbf34de9e316dffc7c685b22fb56765ff0cf238d7df72f2079a68