[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#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBartMassey%2Fmidi-period" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BartMassey/midi-period on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f29d12a567b109048bdca7d8cec48ea5aa04ac9643b243d28acc56e284c6c2c1
[INFO] running `Command { std: "docker" "start" "-a" "f29d12a567b109048bdca7d8cec48ea5aa04ac9643b243d28acc56e284c6c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f29d12a567b109048bdca7d8cec48ea5aa04ac9643b243d28acc56e284c6c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29d12a567b109048bdca7d8cec48ea5aa04ac9643b243d28acc56e284c6c2c1", kill_on_drop: false }`
[INFO] [stdout] f29d12a567b109048bdca7d8cec48ea5aa04ac9643b243d28acc56e284c6c2c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3b7d54cd5970ac86e0db03fe9b16d73c81c62370dd84d7e73cdbf8aad3d9144
[INFO] running `Command { std: "docker" "start" "-a" "e3b7d54cd5970ac86e0db03fe9b16d73c81c62370dd84d7e73cdbf8aad3d9144", 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:     0x58aa43d01912 - std::backtrace_rs::backtrace::libunwind::trace::hf12beacd451e51d4
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58aa43d01912 - std::backtrace_rs::backtrace::trace_unsynchronized::hf6fead6a1bbc8430
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58aa43d01912 - std::sys::backtrace::_print_fmt::h9d014a34f7b74b8e
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x58aa43d01912 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h639f36bab51f3955
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x58aa43d10867 - core::fmt::rt::Argument::fmt::he9e2dcd4d1a4f79f
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x58aa43d10867 - core::fmt::write::h791a50b587c63062
[INFO] [stderr]      6:     0x58aa43ce0b36 - std::io::default_write_fmt::h457b557e32e1fb00
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x58aa43ce0b36 - std::io::Write::write_fmt::hfe130653c54466c6
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x58aa43ce6ec1 - std::sys::backtrace::BacktraceLock::print::h3ee5721e3f554378
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x58aa43ce6ec1 - std::panicking::default_hook::{{closure}}::h78548964055f6042
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x58aa43ce6ce6 - std::panicking::default_hook::h0a256f5fc8ef64e6
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x58aa43ce73cb - std::panicking::panic_with_hook::h066093fc9e0da349
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x58aa43ce7248 - std::panicking::panic_handler::{{closure}}::hcad50f1998ef02e0
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x58aa43ce5a69 - std::sys::backtrace::__rust_end_short_backtrace::h84a12e76b874911b
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x58aa43cd58ed - __rustc[db2c63b0d9ad08bd]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x58aa43d1386c - core::panicking::panic_fmt::h61ea4c5c8806d7fc
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x58aa43d13222 - core::result::unwrap_failed::hf1093b46770d9310
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x58aa43cd28aa - build_script_build::main::h7015f9e113015cde
[INFO] [stderr]     18:     0x58aa43cd4383 - core::ops::function::FnOnce::call_once::h6275da740fc53a26
[INFO] [stderr]     19:     0x58aa43cd4056 - std::sys::backtrace::__rust_begin_short_backtrace::h89eae060f8c29672
[INFO] [stderr]     20:     0x58aa43cd3f89 - std::rt::lang_start::{{closure}}::h3e934315568de8b3
[INFO] [stderr]     21:     0x58aa43ce1c7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h474f7857509d3e2b
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x58aa43ce1c7a - std::panicking::catch_unwind::do_call::h1b4842681d37b4de
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:582:40
[INFO] [stderr]     23:     0x58aa43ce1c7a - std::panicking::catch_unwind::h8caa954e23f3d392
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:545:19
[INFO] [stderr]     24:     0x58aa43ce1c7a - std::panic::catch_unwind::h799510bc1e15c53c
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x58aa43ce1c7a - std::rt::lang_start_internal::{{closure}}::hdd766f796ed54cf9
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x58aa43ce1c7a - std::panicking::catch_unwind::do_call::hb51acc40ffa92e40
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:582:40
[INFO] [stderr]     27:     0x58aa43ce1c7a - std::panicking::catch_unwind::h4ba9c0843d285bb6
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panicking.rs:545:19
[INFO] [stderr]     28:     0x58aa43ce1c7a - std::panic::catch_unwind::hc6ee6b11e632194f
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x58aa43ce1c7a - std::rt::lang_start_internal::h035258992d18009b
[INFO] [stderr]                                  at /rustc/217cb73577ed6f30a2005dd75bab01d23ec4cd60/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x58aa43cd3f71 - std::rt::lang_start::h7ad404cda49d337b
[INFO] [stderr]     31:     0x58aa43cd55c5 - main
[INFO] [stderr]     32:     0x7a88df15d1ca - <unknown>
[INFO] [stderr]     33:     0x7a88df15d28b - __libc_start_main
[INFO] [stderr]     34:     0x58aa43cd2775 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e3b7d54cd5970ac86e0db03fe9b16d73c81c62370dd84d7e73cdbf8aad3d9144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b7d54cd5970ac86e0db03fe9b16d73c81c62370dd84d7e73cdbf8aad3d9144", kill_on_drop: false }`
[INFO] [stdout] e3b7d54cd5970ac86e0db03fe9b16d73c81c62370dd84d7e73cdbf8aad3d9144
