[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] checking BartMassey/midi-period against master#733108b6d4acaa93fe26ae281ea305aacd6aac4e for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Fmidi-period" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BartMassey/midi-period on toolchain 733108b6d4acaa93fe26ae281ea305aacd6aac4e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "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" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b68f3a8171c69cc1f4e6274ddb9ac6b213be78e3a884f3bf22da25da64904e7
[INFO] running `Command { std: "docker" "start" "-a" "8b68f3a8171c69cc1f4e6274ddb9ac6b213be78e3a884f3bf22da25da64904e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b68f3a8171c69cc1f4e6274ddb9ac6b213be78e3a884f3bf22da25da64904e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b68f3a8171c69cc1f4e6274ddb9ac6b213be78e3a884f3bf22da25da64904e7", kill_on_drop: false }`
[INFO] [stdout] 8b68f3a8171c69cc1f4e6274ddb9ac6b213be78e3a884f3bf22da25da64904e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5220aa166ac9ff6defc4edb899ed564caf35336f660e83fe207d7defc764c48
[INFO] running `Command { std: "docker" "start" "-a" "b5220aa166ac9ff6defc4edb899ed564caf35336f660e83fe207d7defc764c48", 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-f5b0bb649b4dfca5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (55) 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:     0x592c0fc69a02 - std::backtrace_rs::backtrace::libunwind::trace::h336fa6cbda11d7da
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x592c0fc69a02 - std::backtrace_rs::backtrace::trace_unsynchronized::hdd3caca2f7bc912d
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x592c0fc69a02 - std::sys::backtrace::_print_fmt::hd331b0c9511a99ae
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x592c0fc69a02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1994e61875dd2f2a
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x592c0fc78957 - core::fmt::rt::Argument::fmt::hb884d9236ffe22a5
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x592c0fc78957 - core::fmt::write::h94ae3adc0037c305
[INFO] [stderr]      6:     0x592c0fc48da6 - std::io::default_write_fmt::h338733cd46b32ee7
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x592c0fc48da6 - std::io::Write::write_fmt::hf145160a44bf8905
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x592c0fc4f131 - std::sys::backtrace::BacktraceLock::print::hc709f40974e386fc
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x592c0fc4f131 - std::panicking::default_hook::{{closure}}::h97869b26213cfdd1
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x592c0fc4ef56 - std::panicking::default_hook::h12325a7204458032
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x592c0fc4f63b - std::panicking::panic_with_hook::h43cbe56cc59fc5e6
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x592c0fc4f4b8 - std::panicking::panic_handler::{{closure}}::h026d7e278a1a94d3
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x592c0fc4dcd9 - std::sys::backtrace::__rust_end_short_backtrace::h61696f1ef97ec08d
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x592c0fc3d8ed - __rustc[9da61800b7c1d17]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x592c0fc7b95c - core::panicking::panic_fmt::h376ce795c5298f0d
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x592c0fc7b312 - core::result::unwrap_failed::hc6310caa305990a4
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x592c0fc3a8aa - build_script_build::main::hdd7b2221dc92236a
[INFO] [stderr]     18:     0x592c0fc3c343 - core::ops::function::FnOnce::call_once::h78fd99244bc7b14c
[INFO] [stderr]     19:     0x592c0fc3c056 - std::sys::backtrace::__rust_begin_short_backtrace::h1976ab38c7ce1f4f
[INFO] [stderr]     20:     0x592c0fc3bf89 - std::rt::lang_start::{{closure}}::he406f6874d54a235
[INFO] [stderr]     21:     0x592c0fc49eea - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h17171ace6974aa8f
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x592c0fc49eea - std::panicking::catch_unwind::do_call::h7f6df566c2bad775
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x592c0fc49eea - std::panicking::catch_unwind::hb99c8ff3052425d2
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x592c0fc49eea - std::panic::catch_unwind::h227a70d8d07d79e6
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x592c0fc49eea - std::rt::lang_start_internal::{{closure}}::hb92f0c824b843011
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x592c0fc49eea - std::panicking::catch_unwind::do_call::h837acadf86977c09
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x592c0fc49eea - std::panicking::catch_unwind::hfffc6b58fde015bc
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x592c0fc49eea - std::panic::catch_unwind::he0f0d9ab4801dcd5
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x592c0fc49eea - std::rt::lang_start_internal::h6df14bee4fb30353
[INFO] [stderr]                                  at /rustc/733108b6d4acaa93fe26ae281ea305aacd6aac4e/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x592c0fc3bf71 - std::rt::lang_start::hc6a644cdc9327cc3
[INFO] [stderr]     31:     0x592c0fc3d5c5 - main
[INFO] [stderr]     32:     0x7543032a61ca - <unknown>
[INFO] [stderr]     33:     0x7543032a628b - __libc_start_main
[INFO] [stderr]     34:     0x592c0fc3a775 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b5220aa166ac9ff6defc4edb899ed564caf35336f660e83fe207d7defc764c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5220aa166ac9ff6defc4edb899ed564caf35336f660e83fe207d7defc764c48", kill_on_drop: false }`
[INFO] [stdout] b5220aa166ac9ff6defc4edb899ed564caf35336f660e83fe207d7defc764c48
