[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#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[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 a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 602b072684f693a9cb8df64d231d8fc7d8eed5d7d62ef56e064d86c538a2052e
[INFO] running `Command { std: "docker" "start" "-a" "602b072684f693a9cb8df64d231d8fc7d8eed5d7d62ef56e064d86c538a2052e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602b072684f693a9cb8df64d231d8fc7d8eed5d7d62ef56e064d86c538a2052e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602b072684f693a9cb8df64d231d8fc7d8eed5d7d62ef56e064d86c538a2052e", kill_on_drop: false }`
[INFO] [stdout] 602b072684f693a9cb8df64d231d8fc7d8eed5d7d62ef56e064d86c538a2052e
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 776316dda44aa0f44fe6421e17822da23ccbc288b8f049173927ca50620624b4
[INFO] running `Command { std: "docker" "start" "-a" "776316dda44aa0f44fe6421e17822da23ccbc288b8f049173927ca50620624b4", 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' (53) 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:     0x5d67b49fa432 - std[bd4fd743d24fc948]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d67b49fa432 - std[bd4fd743d24fc948]::backtrace_rs::backtrace::trace_unsynchronized::<std[bd4fd743d24fc948]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d67b49fa432 - std[bd4fd743d24fc948]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5d67b49fa432 - <<std[bd4fd743d24fc948]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[3599737bacc63999]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5d67b4a0b7fa - <core[3599737bacc63999]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5d67b4a0b7fa - core[3599737bacc63999]::fmt::write
[INFO] [stderr]      6:     0x5d67b49fe346 - std[bd4fd743d24fc948]::io::default_write_fmt::<std[bd4fd743d24fc948]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d67b49fe346 - <std[bd4fd743d24fc948]::sys::stdio::unix::Stderr as std[bd4fd743d24fc948]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5d67b49e571f - <std[bd4fd743d24fc948]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5d67b49e571f - std[bd4fd743d24fc948]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5d67b49f68e1 - std[bd4fd743d24fc948]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5d67b49f6a9b - std[bd4fd743d24fc948]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5d67b49e57d8 - std[bd4fd743d24fc948]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5d67b49dd569 - std[bd4fd743d24fc948]::sys::backtrace::__rust_end_short_backtrace::<std[bd4fd743d24fc948]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5d67b49e5ffd - __rustc[f744f0f8d4931374]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5d67b4a0be2c - core[3599737bacc63999]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5d67b4a0bc02 - core[3599737bacc63999]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5d67b49cd6fa - build_script_build[23a80cd5456c204a]::main
[INFO] [stderr]     18:     0x5d67b49cf4b3 - <fn() as core[3599737bacc63999]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5d67b49cd296 - std[bd4fd743d24fc948]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5d67b49cd619 - std[bd4fd743d24fc948]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5d67b49f5ed6 - <&dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe as core[3599737bacc63999]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::panicking::catch_unwind::do_call::<&dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::panicking::catch_unwind::<i32, &dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::panic::catch_unwind::<&dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::panicking::catch_unwind::do_call::<std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::panicking::catch_unwind::<isize, std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::panic::catch_unwind::<std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5d67b49f5ed6 - std[bd4fd743d24fc948]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5d67b49cd281 - std[bd4fd743d24fc948]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5d67b49cfae5 - main
[INFO] [stderr]     32:     0x7fb2779031ca - <unknown>
[INFO] [stderr]     33:     0x7fb27790328b - __libc_start_main
[INFO] [stderr]     34:     0x5d67b49ccae5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "776316dda44aa0f44fe6421e17822da23ccbc288b8f049173927ca50620624b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776316dda44aa0f44fe6421e17822da23ccbc288b8f049173927ca50620624b4", kill_on_drop: false }`
[INFO] [stdout] 776316dda44aa0f44fe6421e17822da23ccbc288b8f049173927ca50620624b4
