[INFO] cloning repository https://github.com/dskkato/myrlib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dskkato/myrlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskkato%2Fmyrlib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskkato%2Fmyrlib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6a6a0cd9350cc23f6e346e4c16bc7e0f5f158db [INFO] testing dskkato/myrlib against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskkato%2Fmyrlib" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dskkato/myrlib on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dskkato/myrlib [INFO] finished tweaking git repo https://github.com/dskkato/myrlib [INFO] tweaked toml for git repo https://github.com/dskkato/myrlib written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/dskkato/myrlib already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c4037412178a84638a120b4be707276b7824a18842cd34d9fa8666695a9b4c33 [INFO] running `Command { std: "docker" "start" "-a" "c4037412178a84638a120b4be707276b7824a18842cd34d9fa8666695a9b4c33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4037412178a84638a120b4be707276b7824a18842cd34d9fa8666695a9b4c33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4037412178a84638a120b4be707276b7824a18842cd34d9fa8666695a9b4c33", kill_on_drop: false }` [INFO] [stdout] c4037412178a84638a120b4be707276b7824a18842cd34d9fa8666695a9b4c33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 836c1a931c79681d48f78a15fee2f25e04acd57e12a3fd5d849c7f658d43a502 [INFO] running `Command { std: "docker" "start" "-a" "836c1a931c79681d48f78a15fee2f25e04acd57e12a3fd5d849c7f658d43a502", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling cbindgen v0.9.1 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling toml v0.5.3 [INFO] [stderr] Compiling myrlib v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `myrlib v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/myrlib-4b47aae249a8a9c2/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.9.1/src/bindgen/bindings.rs:66:43 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56450745254c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x56450745254c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56450745254c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56450745254c - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56450747791c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x56450744ee25 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x564507454300 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x564507454300 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x564507454300 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x564507453eab - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5645074549d9 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:610:17 [INFO] [stderr] 11: 0x564507454490 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x564507452a04 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5645074543f9 - rust_begin_unwind [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x564506f4f611 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x564506f4f703 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x564506fecd2d - core::result::Result::unwrap::ha64528860e2e68f4 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x564506fd41d3 - cbindgen::bindgen::bindings::Bindings::write_to_file::h6990382c7ec6bf97 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.9.1/src/bindgen/bindings.rs:66:24 [INFO] [stderr] 18: 0x564507005da7 - build_script_build::main::he6c997fa6cdb0233 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4:5 [INFO] [stderr] 19: 0x564506fbaaab - core::ops::function::FnOnce::call_once::hb8f9d22ba2356dca [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x564506ff4e8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h843433ce87cefec5 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x564506fba611 - std::rt::lang_start::{{closure}}::h05951a693e4fdc1a [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x564507451d91 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x564507451d91 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x564507451d91 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x564507451d91 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x564507451d91 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x564507451d91 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x564507451d91 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x564507451d91 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x564507451d91 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x564506fba5e0 - std::rt::lang_start::h2433ecee0a419458 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x564507005e0c - main [INFO] [stderr] 33: 0x7f0a2804e0b3 - __libc_start_main [INFO] [stderr] 34: 0x564506f4fdce - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "836c1a931c79681d48f78a15fee2f25e04acd57e12a3fd5d849c7f658d43a502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "836c1a931c79681d48f78a15fee2f25e04acd57e12a3fd5d849c7f658d43a502", kill_on_drop: false }` [INFO] [stdout] 836c1a931c79681d48f78a15fee2f25e04acd57e12a3fd5d849c7f658d43a502