[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#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[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 c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "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" "+c8a31b780d5415358566a20b94912620a3f27067" "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" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1d4d54e467c0eb171fa3cd937a2ac2441a7a30f051ee620773455a5e5853e4
[INFO] running `Command { std: "docker" "start" "-a" "ce1d4d54e467c0eb171fa3cd937a2ac2441a7a30f051ee620773455a5e5853e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1d4d54e467c0eb171fa3cd937a2ac2441a7a30f051ee620773455a5e5853e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1d4d54e467c0eb171fa3cd937a2ac2441a7a30f051ee620773455a5e5853e4", kill_on_drop: false }`
[INFO] [stdout] ce1d4d54e467c0eb171fa3cd937a2ac2441a7a30f051ee620773455a5e5853e4
[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" "-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" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b4bb22ae90dc644869caaaafddb97d130770084016824666b38b4926bdd3a6
[INFO] running `Command { std: "docker" "start" "-a" "c6b4bb22ae90dc644869caaaafddb97d130770084016824666b38b4926bdd3a6", 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' (37) 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:     0x63a1e96f1812 - std::backtrace_rs::backtrace::libunwind::trace::hc88eb2f5e300ea51
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63a1e96f1812 - std::backtrace_rs::backtrace::trace_unsynchronized::h8b2f1f44c0b1740b
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63a1e96f1812 - std::sys::backtrace::_print_fmt::h70d69049475b0e00
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x63a1e96f1812 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he6e054ed41f92047
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x63a1e970089f - core::fmt::rt::Argument::fmt::hb4ca1b8668c363d1
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x63a1e970089f - core::fmt::write::h8d4684b9afb21279
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x63a1e96d0143 - std::io::default_write_fmt::h531a1496d2775e0b
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63a1e96d0143 - std::io::Write::write_fmt::hc7fb356c2f5ee8f5
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x63a1e96d5322 - std::sys::backtrace::BacktraceLock::print::h719c6fbe29d22349
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x63a1e96d6b4c - std::panicking::default_hook::{{closure}}::h50e9fa3f69d728af
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x63a1e96d69a6 - std::panicking::default_hook::h8ed58be38517dfa0
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x63a1e96d7125 - std::panicking::panic_with_hook::hca9149941ce8df70
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x63a1e96d6fba - std::panicking::panic_handler::{{closure}}::h761f7fb46954a937
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x63a1e96d5459 - std::sys::backtrace::__rust_end_short_backtrace::hae59f267fe5e6560
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x63a1e96c4bed - __rustc[976770a6a7a99d6b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x63a1e9703bf0 - core::panicking::panic_fmt::h5f968fb8cbc55e68
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x63a1e9703476 - core::result::unwrap_failed::h9ba868ba42e6a97d
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x63a1e96c132a - build_script_build::main::h400627db0b88e9e8
[INFO] [stderr]     18:     0x63a1e96c2f53 - core::ops::function::FnOnce::call_once::h6a74a1b247560e30
[INFO] [stderr]     19:     0x63a1e96c2c16 - std::sys::backtrace::__rust_begin_short_backtrace::h56b4e3314d14854b
[INFO] [stderr]     20:     0x63a1e96c2b19 - std::rt::lang_start::{{closure}}::hb9fc229917a7d4e6
[INFO] [stderr]     21:     0x63a1e96d13c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb4808de3c53cc7bd
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x63a1e96d13c0 - std::panicking::catch_unwind::do_call::hac7777efbc267cdb
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x63a1e96d13c0 - std::panicking::catch_unwind::h89e1fe3ebba2a858
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x63a1e96d13c0 - std::panic::catch_unwind::h065b87174d927016
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x63a1e96d13c0 - std::rt::lang_start_internal::{{closure}}::h4ce8fa0d9939dd08
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x63a1e96d13c0 - std::panicking::catch_unwind::do_call::h12477abcfc6db8a6
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x63a1e96d13c0 - std::panicking::catch_unwind::h8553ce35794026dd
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x63a1e96d13c0 - std::panic::catch_unwind::hd56e00c00379dac9
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x63a1e96d13c0 - std::rt::lang_start_internal::h11095a0e52315381
[INFO] [stderr]                                  at /rustc/c8a31b780d5415358566a20b94912620a3f27067/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x63a1e96c2b01 - std::rt::lang_start::h357d16cc62da858c
[INFO] [stderr]     31:     0x63a1e96c4905 - main
[INFO] [stderr]     32:     0x76bce5e6e1ca - <unknown>
[INFO] [stderr]     33:     0x76bce5e6e28b - __libc_start_main
[INFO] [stderr]     34:     0x63a1e96c11f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c6b4bb22ae90dc644869caaaafddb97d130770084016824666b38b4926bdd3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b4bb22ae90dc644869caaaafddb97d130770084016824666b38b4926bdd3a6", kill_on_drop: false }`
[INFO] [stdout] c6b4bb22ae90dc644869caaaafddb97d130770084016824666b38b4926bdd3a6
