[INFO] cloning repository https://github.com/BartMassey/midi-period
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BartMassey/midi-period" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Fmidi-period", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Fmidi-period'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa91c67587e68dc87cae1d38e33f892f635a4568
[INFO] testing BartMassey/midi-period against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Fmidi-period" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BartMassey/midi-period
[INFO] finished tweaking git repo https://github.com/BartMassey/midi-period
[INFO] tweaked toml for git repo https://github.com/BartMassey/midi-period written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BartMassey/midi-period on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BartMassey/midi-period already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62deb57d4437fede0fd807163791839958d7b729146c7e19f812f9ac6d85d3f
[INFO] running `Command { std: "docker" "start" "-a" "e62deb57d4437fede0fd807163791839958d7b729146c7e19f812f9ac6d85d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62deb57d4437fede0fd807163791839958d7b729146c7e19f812f9ac6d85d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62deb57d4437fede0fd807163791839958d7b729146c7e19f812f9ac6d85d3f", kill_on_drop: false }`
[INFO] [stdout] e62deb57d4437fede0fd807163791839958d7b729146c7e19f812f9ac6d85d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 092b2d23de8e62368b97a82cdcdad9a644b189c01246dbf3ad2217b74eae5ffa
[INFO] running `Command { std: "docker" "start" "-a" "092b2d23de8e62368b97a82cdcdad9a644b189c01246dbf3ad2217b74eae5ffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi-period v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `midi-period v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/midi-period-13af6b90a2406485/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:16:58:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63ba5f0485b2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63ba5f0485b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63ba5f0485b2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x63ba5f0485b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x63ba5f064323 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x63ba5f064323 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x63ba5f0462d3 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63ba5f0462d3 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x63ba5f048402 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x63ba5f049476 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x63ba5f049279 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x63ba5f049d42 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x63ba5f049bda - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x63ba5f048aa9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x63ba5f04986d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x63ba5f063610 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x63ba5f063986 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x63ba5f0276c6 - build_script_build::main::hfb0fcd406d3e6dbe
[INFO] [stderr]     18:     0x63ba5f027103 - std::sys::backtrace::__rust_begin_short_backtrace::h7520abf46841e9fe
[INFO] [stderr]     19:     0x63ba5f0270f9 - std::rt::lang_start::{{closure}}::hbd3d9ea869a40b2b
[INFO] [stderr]     20:     0x63ba5f043ea0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     21:     0x63ba5f043ea0 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x63ba5f043ea0 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x63ba5f043ea0 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x63ba5f043ea0 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x63ba5f043ea0 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x63ba5f043ea0 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x63ba5f043ea0 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x63ba5f043ea0 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stderr]                                  at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x63ba5f027875 - main
[INFO] [stderr]     30:     0x72658203c1ca - <unknown>
[INFO] [stderr]     31:     0x72658203c28b - __libc_start_main
[INFO] [stderr]     32:     0x63ba5f026d15 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "092b2d23de8e62368b97a82cdcdad9a644b189c01246dbf3ad2217b74eae5ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092b2d23de8e62368b97a82cdcdad9a644b189c01246dbf3ad2217b74eae5ffa", kill_on_drop: false }`
[INFO] [stdout] 092b2d23de8e62368b97a82cdcdad9a644b189c01246dbf3ad2217b74eae5ffa
