[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 try#78c81ee3917a99dcff6e2e6822800f0492c415c3 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BartMassey/midi-period on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 756ccd3b07ef72035bd9c7f8f189d3ac7ce44978773822a1f706f5f0269bda75
[INFO] running `Command { std: "docker" "start" "-a" "756ccd3b07ef72035bd9c7f8f189d3ac7ce44978773822a1f706f5f0269bda75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "756ccd3b07ef72035bd9c7f8f189d3ac7ce44978773822a1f706f5f0269bda75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756ccd3b07ef72035bd9c7f8f189d3ac7ce44978773822a1f706f5f0269bda75", kill_on_drop: false }`
[INFO] [stdout] 756ccd3b07ef72035bd9c7f8f189d3ac7ce44978773822a1f706f5f0269bda75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d42bc91b340a3992c00b987e4f89e26d6be5fa61975064dd3fadddc4f5d7096e
[INFO] running `Command { std: "docker" "start" "-a" "d42bc91b340a3992c00b987e4f89e26d6be5fa61975064dd3fadddc4f5d7096e", 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' (54) 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:     0x5c999d316a02 - std::backtrace_rs::backtrace::libunwind::trace::hd8a655236e158731
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c999d316a02 - std::backtrace_rs::backtrace::trace_unsynchronized::hc00faf3445433064
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c999d316a02 - std::sys::backtrace::_print_fmt::he752eec0bd9c3ab6
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c999d316a02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf49d4e9844d08ced
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c999d325957 - core::fmt::rt::Argument::fmt::hd8fa28b5031a260b
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5c999d325957 - core::fmt::write::he5460f17b833c122
[INFO] [stderr]      6:     0x5c999d2f5da6 - std::io::default_write_fmt::heccfcb5b5382e279
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c999d2f5da6 - std::io::Write::write_fmt::he98ae2746dbedb47
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5c999d2fc131 - std::sys::backtrace::BacktraceLock::print::hc3760d1122275184
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c999d2fc131 - std::panicking::default_hook::{{closure}}::hf8c19bc1a7b0676a
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5c999d2fbf56 - std::panicking::default_hook::haf43ecfd300ae5b5
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5c999d2fc63b - std::panicking::panic_with_hook::h66c5d8fa29e50b62
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5c999d2fc4b8 - std::panicking::panic_handler::{{closure}}::h1674ae13bdd6a7e1
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x5c999d2facd9 - std::sys::backtrace::__rust_end_short_backtrace::h6b28368e603b0548
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c999d2ea8ed - __rustc[e6cc9979c6fc759f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5c999d32895c - core::panicking::panic_fmt::h2145634be0790f13
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c999d328312 - core::result::unwrap_failed::he91e079be93b8642
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5c999d2e78aa - build_script_build::main::h784be4d1e8c7dfe0
[INFO] [stderr]     18:     0x5c999d2e9343 - core::ops::function::FnOnce::call_once::h228e2f466af3ba9d
[INFO] [stderr]     19:     0x5c999d2e9056 - std::sys::backtrace::__rust_begin_short_backtrace::h8a0bc5ad5c068909
[INFO] [stderr]     20:     0x5c999d2e8f89 - std::rt::lang_start::{{closure}}::hf874ed86ccf9d254
[INFO] [stderr]     21:     0x5c999d2f6eea - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hddbf2acf5bfc1fa2
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5c999d2f6eea - std::panicking::catch_unwind::do_call::h601e682a6f220c31
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x5c999d2f6eea - std::panicking::catch_unwind::h81f8c3b241324d54
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x5c999d2f6eea - std::panic::catch_unwind::h955ecdb4ad78d5d8
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5c999d2f6eea - std::rt::lang_start_internal::{{closure}}::hdc242c6291100e1a
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5c999d2f6eea - std::panicking::catch_unwind::do_call::hb4798156ed16c4d5
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x5c999d2f6eea - std::panicking::catch_unwind::hbf7abf54e8488964
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x5c999d2f6eea - std::panic::catch_unwind::h12e2e0b2f3af8206
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5c999d2f6eea - std::rt::lang_start_internal::hb8ec3851c46937a1
[INFO] [stderr]                                  at /rustc/78c81ee3917a99dcff6e2e6822800f0492c415c3/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5c999d2e8f71 - std::rt::lang_start::h153c2a6b555e1da5
[INFO] [stderr]     31:     0x5c999d2ea5c5 - main
[INFO] [stderr]     32:     0x7ab84b8dd1ca - <unknown>
[INFO] [stderr]     33:     0x7ab84b8dd28b - __libc_start_main
[INFO] [stderr]     34:     0x5c999d2e7775 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "d42bc91b340a3992c00b987e4f89e26d6be5fa61975064dd3fadddc4f5d7096e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42bc91b340a3992c00b987e4f89e26d6be5fa61975064dd3fadddc4f5d7096e", kill_on_drop: false }`
[INFO] [stdout] d42bc91b340a3992c00b987e4f89e26d6be5fa61975064dd3fadddc4f5d7096e
