[INFO] fetching crate avr-libc 0.2.0...
[INFO] checking avr-libc-0.2.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate avr-libc 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate avr-libc 0.2.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr-libc 0.2.0
[INFO] finished tweaking crates.io crate avr-libc 0.2.0
[INFO] tweaked toml for crates.io crate avr-libc 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate avr-libc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c711c79b65bb9b724ef775d881e94529d6614ec652fa190c5e7d397cf3af08c
[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" "2c711c79b65bb9b724ef775d881e94529d6614ec652fa190c5e7d397cf3af08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c711c79b65bb9b724ef775d881e94529d6614ec652fa190c5e7d397cf3af08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c711c79b65bb9b724ef775d881e94529d6614ec652fa190c5e7d397cf3af08c", kill_on_drop: false }`
[INFO] [stdout] 2c711c79b65bb9b724ef775d881e94529d6614ec652fa190c5e7d397cf3af08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e839b98702bf1ab7e9ddfc5e105e09598b02ca2b4d7bb099fda17c051544bcf6
[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" "e839b98702bf1ab7e9ddfc5e105e09598b02ca2b4d7bb099fda17c051544bcf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.54.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling xmltree v0.10.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling avr-mcu v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling avr-libc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `avr-libc v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/avr-libc-069a30d2d7ae29be/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [warning]: cannot find target JSON file 'x86_64-unknown-linux-gnu.json' - due to limitations it needs to be in the crate root - is it?
[INFO] [stderr]   [warning]: assuming a target CPU name of 'x86_64-unknown-linux-gnu' from the file name of the target spec JSON file
[INFO] [stderr]   thread 'main' panicked at 'no microcontroller with the name 'x86_64-unknown-linux-gnu' found', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/load.rs:54:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b822c9e4c5 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55b822c9e4c5 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55b822c9e4c5 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55b822c9e4c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h589f1bf1cf74dd71
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55b822cc873c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55b822c9a772 - std::io::Write::write_fmt::hbbad3ca30e02a58a
[INFO] [stderr]                                  at library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55b822ca0bd0 - std::sys_common::backtrace::_print::h96b2d71887f0b186
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55b822ca0bd0 - std::sys_common::backtrace::print::h6cd6e92e674a16a4
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55b822ca0bd0 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14
[INFO] [stderr]                                  at library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x55b822ca091c - std::panicking::default_hook::h3c589b4200c4e9d0
[INFO] [stderr]                                  at library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x55b822ca1213 - std::panicking::rust_panic_with_hook::h99205632f2cac760
[INFO] [stderr]                                  at library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x55b822ca0e0b - rust_begin_unwind
[INFO] [stderr]                                  at library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x55b822cc6df1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x55b822cc6b83 - core::option::expect_failed::he4d89f45e184f5ae
[INFO] [stderr]                                  at library/core/src/option.rs:1265
[INFO] [stderr]     14:     0x55b8226daabe - core::option::Option<T>::expect::h6e9060076b2851fd
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/core/src/option.rs:347
[INFO] [stderr]     15:     0x55b8226c4722 - avr_mcu::load::microcontroller::h2e3c635d14e97442
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/load.rs:50
[INFO] [stderr]     16:     0x55b8226c55ee - avr_mcu::current::mcu::{{closure}}::had3a2779a887383a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/current.rs:13
[INFO] [stderr]     17:     0x55b8226da8ac - core::option::Option<T>::map::he53042ac8940f797
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/core/src/option.rs:456
[INFO] [stderr]     18:     0x55b8226c558e - avr_mcu::current::mcu::h3ca9192ae62d4823
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.3/src/current.rs:13
[INFO] [stderr]     19:     0x55b8226afab1 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__static_ref_initialize::hb69dfbb6a9e54a5e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:31
[INFO] [stderr]     20:     0x55b8226afab1 - core::ops::function::FnOnce::call_once::h7991a16d0055a562
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/core/src/ops/function.rs:233
[INFO] [stderr]     21:     0x55b8226af8c4 - lazy_static::lazy::Lazy<T>::get::{{closure}}::he4d016d86dff37fd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31
[INFO] [stderr]     22:     0x55b8226b016e - std::sync::once::Once::call_once::{{closure}}::h86d938ada409c205
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/std/src/sync/once.rs:265
[INFO] [stderr]     23:     0x55b822c9deb5 - std::sync::once::Once::call_inner::h68f4a79710a2bfcc
[INFO] [stderr]                                  at library/std/src/sync/once.rs:421
[INFO] [stderr]     24:     0x55b8226b00f1 - std::sync::once::Once::call_once::h6d92b43dadb3d598
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/std/src/sync/once.rs:265
[INFO] [stderr]     25:     0x55b8226aea37 - lazy_static::lazy::Lazy<T>::get::h48948d8f19872da7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30
[INFO] [stderr]     26:     0x55b8226aea37 - <build_script_build::MCU as core::ops::deref::Deref>::deref::__stability::h3185643862c17bf9
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142
[INFO] [stderr]     27:     0x55b8226aea37 - <build_script_build::MCU as core::ops::deref::Deref>::deref::ha94c36d9bf85f7c6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144
[INFO] [stderr]     28:     0x55b8226ac2e6 - build_script_build::main::h0d00190dacf26cec
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:42
[INFO] [stderr]     29:     0x55b8226af43b - std::rt::lang_start::{{closure}}::h8d2ebfcac5659af2
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/std/src/rt.rs:67
[INFO] [stderr]     30:     0x55b822ca15e3 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09
[INFO] [stderr]                                  at library/std/src/rt.rs:52
[INFO] [stderr]     31:     0x55b822ca15e3 - std::panicking::try::do_call::haffb1227d43d77f1
[INFO] [stderr]                                  at library/std/src/panicking.rs:348
[INFO] [stderr]     32:     0x55b822ca15e3 - std::panicking::try::hc085bbb3f48e6fb0
[INFO] [stderr]                                  at library/std/src/panicking.rs:325
[INFO] [stderr]     33:     0x55b822ca15e3 - std::panic::catch_unwind::h0d91c438fed06f5e
[INFO] [stderr]                                  at library/std/src/panic.rs:394
[INFO] [stderr]     34:     0x55b822ca15e3 - std::rt::lang_start_internal::h9a2f79aa5e187e95
[INFO] [stderr]                                  at library/std/src/rt.rs:51
[INFO] [stderr]     35:     0x55b8226af417 - std::rt::lang_start::hf7a6ac364dd7d520
[INFO] [stderr]                                  at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/std/src/rt.rs:67
[INFO] [stderr]     36:     0x55b8226aeaca - main
[INFO] [stderr]     37:     0x7f534188c0b3 - __libc_start_main
[INFO] [stderr]     38:     0x55b8226ac1ae - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e839b98702bf1ab7e9ddfc5e105e09598b02ca2b4d7bb099fda17c051544bcf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e839b98702bf1ab7e9ddfc5e105e09598b02ca2b4d7bb099fda17c051544bcf6", kill_on_drop: false }`
[INFO] [stdout] e839b98702bf1ab7e9ddfc5e105e09598b02ca2b4d7bb099fda17c051544bcf6