[INFO] fetching crate avr-libc 0.2.2...
[INFO] testing avr-libc-0.2.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate avr-libc 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate avr-libc 0.2.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avr-libc 0.2.2
[INFO] finished tweaking crates.io crate avr-libc 0.2.2
[INFO] tweaked toml for crates.io crate avr-libc 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate avr-libc 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmltree v0.10.2
[INFO] [stderr]   Downloaded clang-sys v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73be0a6a48e122f221bf491ace0d40040585ea1079ef9b63e7b5e0bc93cb12c7
[INFO] running `Command { std: "docker" "start" "-a" "73be0a6a48e122f221bf491ace0d40040585ea1079ef9b63e7b5e0bc93cb12c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73be0a6a48e122f221bf491ace0d40040585ea1079ef9b63e7b5e0bc93cb12c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73be0a6a48e122f221bf491ace0d40040585ea1079ef9b63e7b5e0bc93cb12c7", kill_on_drop: false }`
[INFO] [stdout] 73be0a6a48e122f221bf491ace0d40040585ea1079ef9b63e7b5e0bc93cb12c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1806e9b04fe7c74608abb4abfbcd55e1debc32c1eb7fb78a5a8f2f77eedb6a23
[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" "1806e9b04fe7c74608abb4abfbcd55e1debc32c1eb7fb78a5a8f2f77eedb6a23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clang-sys v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling avr-libc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `avr-libc v0.2.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/avr-libc-16ddfc2e89000e60/build-script-build` (exit status: 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-0.3.5/src/load.rs:54:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a324af7270 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a324af7270 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized::<std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a324af7270 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a324af7270 - <std[77c0456e0eb29f0c]::sys_common::backtrace::_print::DisplayBacktrace as core[ee1ca6415511a9c4]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a324b1c5cc - core[ee1ca6415511a9c4]::fmt::write
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55a324af3fd5 - <std[77c0456e0eb29f0c]::sys::unix::stdio::Stderr as std[77c0456e0eb29f0c]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55a324af94fb - std[77c0456e0eb29f0c]::sys_common::backtrace::_print
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a324af94fb - std[77c0456e0eb29f0c]::sys_common::backtrace::print
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a324af94fb - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55a324af8fd1 - std[77c0456e0eb29f0c]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55a324af9ba1 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55a324af96a7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55a324af776c - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::<std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a324af9609 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55a32453d861 - core[ee1ca6415511a9c4]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55a32453d753 - core[ee1ca6415511a9c4]::option::expect_failed
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/option.rs:1241:5
[INFO] [stderr]     16:     0x55a3245603f8 - <core[ee1ca6415511a9c4]::option::Option<avr_mcu[cd0cfc752253d3f7]::load::PackInfo>>::expect
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/option.rs:349:21
[INFO] [stderr]     17:     0x55a32455c436 - avr_mcu[cd0cfc752253d3f7]::load::microcontroller
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/load.rs:50:21
[INFO] [stderr]     18:     0x55a32455d28a - avr_mcu[cd0cfc752253d3f7]::current::mcu::{closure#0}
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/current.rs:13:31
[INFO] [stderr]     19:     0x55a32455f62b - <core[ee1ca6415511a9c4]::option::Option<alloc[cda43b294bbfc5d0]::string::String>>::map::<avr_mcu[cd0cfc752253d3f7]::model::Mcu, avr_mcu[cd0cfc752253d3f7]::current::mcu::{closure#0}>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/option.rs:487:29
[INFO] [stderr]     20:     0x55a32455d227 - avr_mcu[cd0cfc752253d3f7]::current::mcu
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.5/src/current.rs:13:5
[INFO] [stderr]     21:     0x55a324542081 - <build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__static_ref_initialize
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:31:35
[INFO] [stderr]     22:     0x55a324542081 - <<build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__static_ref_initialize as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     23:     0x55a324541434 - <lazy_static[10cf168a8c47a2ed]::lazy::Lazy<core[ee1ca6415511a9c4]::option::Option<avr_mcu[cd0cfc752253d3f7]::model::Mcu>>>::get::<<build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stderr]     24:     0x55a3245431cb - <std[77c0456e0eb29f0c]::sync::once::Once>::call_once::<<lazy_static[10cf168a8c47a2ed]::lazy::Lazy<core[ee1ca6415511a9c4]::option::Option<avr_mcu[cd0cfc752253d3f7]::model::Mcu>>>::get<<build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     25:     0x55a32453c9dc - <std[77c0456e0eb29f0c]::sync::once::Once>::call_inner
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     26:     0x55a324543156 - <std[77c0456e0eb29f0c]::sync::once::Once>::call_once::<<lazy_static[10cf168a8c47a2ed]::lazy::Lazy<core[ee1ca6415511a9c4]::option::Option<avr_mcu[cd0cfc752253d3f7]::model::Mcu>>>::get<<build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     27:     0x55a324540875 - <lazy_static[10cf168a8c47a2ed]::lazy::Lazy<core[ee1ca6415511a9c4]::option::Option<avr_mcu[cd0cfc752253d3f7]::model::Mcu>>>::get::<<build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__static_ref_initialize>
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stderr]     28:     0x55a324540875 - <build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref::__stability
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stderr]     29:     0x55a324540875 - <build_script_build[bce60d8b3b6fed60]::MCU as core[ee1ca6415511a9c4]::ops::deref::Deref>::deref
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stderr]     30:     0x55a32453e193 - build_script_build[bce60d8b3b6fed60]::main
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:42:8
[INFO] [stderr]     31:     0x55a324541fcb - <fn() as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     32:     0x55a3245413de - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     33:     0x55a324543a61 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:49:18
[INFO] [stderr]     34:     0x55a324afa099 - <&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     35:     0x55a324afa099 - std[77c0456e0eb29f0c]::panicking::try::do_call::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     36:     0x55a324afa099 - std[77c0456e0eb29f0c]::panicking::try::<i32, &dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     37:     0x55a324afa099 - std[77c0456e0eb29f0c]::panic::catch_unwind::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stderr]     38:     0x55a324afa099 - std[77c0456e0eb29f0c]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21
[INFO] [stderr]     39:     0x55a324543840 - std[77c0456e0eb29f0c]::rt::lang_start::<()>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:48:5
[INFO] [stderr]     40:     0x55a3245408fc - main
[INFO] [stderr]     41:     0x7f901a9280b3 - __libc_start_main
[INFO] [stderr]     42:     0x55a32453e05e - _start
[INFO] [stderr]     43:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "1806e9b04fe7c74608abb4abfbcd55e1debc32c1eb7fb78a5a8f2f77eedb6a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1806e9b04fe7c74608abb4abfbcd55e1debc32c1eb7fb78a5a8f2f77eedb6a23", kill_on_drop: false }`
[INFO] [stdout] 1806e9b04fe7c74608abb4abfbcd55e1debc32c1eb7fb78a5a8f2f77eedb6a23