[INFO] cloning repository https://github.com/bacongobbler/rust-arduino-blink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bacongobbler/rust-arduino-blink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacongobbler%2Frust-arduino-blink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacongobbler%2Frust-arduino-blink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14d83c7658c75418529e40a181e49cb77760cdf0
[INFO] checking bacongobbler/rust-arduino-blink against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbacongobbler%2Frust-arduino-blink" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bacongobbler/rust-arduino-blink on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/bacongobbler/rust-arduino-blink
[INFO] finished tweaking git repo https://github.com/bacongobbler/rust-arduino-blink
[INFO] tweaked toml for git repo https://github.com/bacongobbler/rust-arduino-blink written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bacongobbler/rust-arduino-blink already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b538b886e6f1adf345ad1f26d6c3956219431d1816b35addbbcc44d5ad381eba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b538b886e6f1adf345ad1f26d6c3956219431d1816b35addbbcc44d5ad381eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b538b886e6f1adf345ad1f26d6c3956219431d1816b35addbbcc44d5ad381eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b538b886e6f1adf345ad1f26d6c3956219431d1816b35addbbcc44d5ad381eba", kill_on_drop: false }`
[INFO] [stdout] b538b886e6f1adf345ad1f26d6c3956219431d1816b35addbbcc44d5ad381eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92281312ea9d07011aeef1c1043c58804dd5d4a81de1c7dded0cebd0b459380e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "92281312ea9d07011aeef1c1043c58804dd5d4a81de1c7dded0cebd0b459380e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking avr-std-stub v1.0.2
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.1
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling target-cpu-macro v0.1.1
[INFO] [stderr]    Compiling avr-mcu v0.3.4
[INFO] [stderr]    Compiling ruduino v0.2.7
[INFO] [stderr] error: failed to run custom build command for `ruduino v0.2.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ruduino-59156a9cf4ea6511/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   loading pack '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/avr-mcu-0.3.4/packs/atmega/ATmega328.atdf'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruduino-0.2.7/core_generator/build.rs:46:30
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55714c763c00 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55714c763c00 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55714c763c00 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55714c763c00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55714c78058f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55714c761925 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55714c76586b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55714c76586b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55714c76586b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55714c76534d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55714c765e1d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55714c765a17 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55714c7640bc - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55714c765979 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55714c698091 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55714c698123 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55714c70c1de - core::result::Result<T,E>::unwrap::h9b74a275f88954d5
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55714c6aa8cc - build_script_build::main::hdb7ead61c66f4bf4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruduino-0.2.7/core_generator/build.rs:46:5
[INFO] [stderr]     18:     0x55714c6afa8b - core::ops::function::FnOnce::call_once::h6669cd7d2e5dc1e3
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55714c6a768e - std::sys_common::backtrace::__rust_begin_short_backtrace::hfbf28f5cdaa6e2b9
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55714c6af991 - std::rt::lang_start::{{closure}}::he6b7d8fddd4d982c
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x55714c76621a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55714c76621a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55714c76621a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55714c76621a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55714c76621a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x55714c6af970 - std::rt::lang_start::h159bad281bcd58f9
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x55714c6ad5ec - main
[INFO] [stderr]     28:     0x7fd1d0ee80b3 - __libc_start_main
[INFO] [stderr]     29:     0x55714c69878e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "92281312ea9d07011aeef1c1043c58804dd5d4a81de1c7dded0cebd0b459380e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92281312ea9d07011aeef1c1043c58804dd5d4a81de1c7dded0cebd0b459380e", kill_on_drop: false }`
[INFO] [stdout] 92281312ea9d07011aeef1c1043c58804dd5d4a81de1c7dded0cebd0b459380e