[INFO] crate avr-libc 0.1.3 is already in cache
[INFO] extracting crate avr-libc 0.1.3 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/avr-libc/0.1.3
[INFO] extracting crate avr-libc 0.1.3 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/avr-libc/0.1.3
[INFO] validating manifest of avr-libc-0.1.3 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of avr-libc-0.1.3 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing avr-libc-0.1.3
[INFO] finished frobbing avr-libc-0.1.3
[INFO] frobbed toml for avr-libc-0.1.3 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/avr-libc/0.1.3/Cargo.toml
[INFO] started frobbing avr-libc-0.1.3
[INFO] finished frobbing avr-libc-0.1.3
[INFO] frobbed toml for avr-libc-0.1.3 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/avr-libc/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking avr-libc-0.1.3 against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/avr-libc/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 350ff900ace49816b5b23487c3cf003c3ee98812a886fdc0a5da9f126d9ce67b
[INFO] running `"docker" "start" "-a" "350ff900ace49816b5b23487c3cf003c3ee98812a886fdc0a5da9f126d9ce67b"`
[INFO] [stderr]    Compiling avr-mcu v0.2.6
[INFO] [stderr]    Compiling avr-libc v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `avr-libc v0.1.3 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/avr-libc-4b550dd3cbab78ba/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:warning=not targeting a specific microcontroller, create a custom target specification to enable mcu-specific functionality
[INFO] [stderr] avr-libc not yet built for 'avr2', building now
[INFO] [stderr] Bootstrapping avr-libc
[INFO] [stderr] "sh" "bootstrap"
[INFO] [stderr] Generating source directories:
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] + rm -rf avr/lib
[INFO] [stderr] + ./devtools/gen-avr-lib-tree.sh
[INFO] [stderr] mkdir: cannot create directory 'avr': Read-only file system
[INFO] [stderr] mkdir: cannot create directory 'avr/lib': No such file or directory
[INFO] [stderr] ./devtools/gen-avr-lib-tree.sh: 414: cd: can't cd to avr/lib
[INFO] [stderr] + rm -rf autom4te.cache
[INFO] [stderr] + aclocal
[INFO] [stderr] autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr] aclocal: error: echo failed with exit status: 1
[INFO] [stderr] + autoheader
[INFO] [stderr] autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr] autoheader: '/usr/bin/autom4te' failed with exit status: 1
[INFO] [stderr] + autoconf
[INFO] [stderr] autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr] + automake --foreign --add-missing --copy
[INFO] [stderr] autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr] automake: error: autoconf failed with exit status: 1
[INFO] [stderr] thread 'main' panicked at 'failed to bootstrap', build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b0f252e7db - backtrace::backtrace::libunwind::trace::h65f453dfe0027df1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55b0f252e7db - backtrace::backtrace::trace_unsynchronized::hcf757005c6accfed
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b0f252e7db - std::sys_common::backtrace::_print::h3230a9d2592a2eba
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55b0f252e7db - std::sys_common::backtrace::print::h19f579688627ee7e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55b0f252e7db - std::panicking::default_hook::{{closure}}::h472b43365b331815
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55b0f252e4b7 - std::panicking::default_hook::h0857821e5ff5a369
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55b0f252ef50 - std::panicking::rust_panic_with_hook::ha9d31dc2aa8d852d
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55b0f22e6c18 - std::panicking::begin_panic::h0adbe583b6645496
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55b0f1e80662 - build_script_build::bootstrap::h902b01ddbc96cea4
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:77
[INFO] [stderr]    9:     0x55b0f1e801ca - build_script_build::main::hb91dd27738ab9888
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:54
[INFO] [stderr]   10:     0x55b0f1e839c0 - std::rt::lang_start::{{closure}}::h48771dcd2f03c94a
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x55b0f252e953 - std::rt::lang_start_internal::{{closure}}::h358a76ea39d8997f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   12:     0x55b0f252e953 - std::panicking::try::do_call::h1fdcc0a978075552
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   13:     0x55b0f253658a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   14:     0x55b0f252f45d - std::panicking::try::hd48ddd0547e22f90
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   15:     0x55b0f252f45d - std::panic::catch_unwind::heb66ca2bf3960f9b
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   16:     0x55b0f252f45d - std::rt::lang_start_internal::h7208f2146229fed7
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   17:     0x55b0f1e83999 - std::rt::lang_start::h1f4c223adfb3f7df
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55b0f1e8246a - main
[INFO] [stderr]   19:     0x7f014fef62e1 - __libc_start_main
[INFO] [stderr]   20:     0x55b0f1e7ad7a - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "350ff900ace49816b5b23487c3cf003c3ee98812a886fdc0a5da9f126d9ce67b"`
[INFO] running `"docker" "rm" "-f" "350ff900ace49816b5b23487c3cf003c3ee98812a886fdc0a5da9f126d9ce67b"`
[INFO] [stdout] 350ff900ace49816b5b23487c3cf003c3ee98812a886fdc0a5da9f126d9ce67b