[INFO] cloning repository https://github.com/sinlov/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinlov/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinlov%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinlov%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a83992f3c7464dd47f64c1723b8e8ece42c7df20 [INFO] checking sinlov/rust_playground against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinlov%2Frust_playground" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinlov/rust_playground on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sinlov/rust_playground [INFO] finished tweaking git repo https://github.com/sinlov/rust_playground [INFO] tweaked toml for git repo https://github.com/sinlov/rust_playground written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/sinlov/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mime_guess v1.8.7 [INFO] [stderr] Downloaded safemem v0.3.1 [INFO] [stderr] Downloaded gzip-header v0.3.0 [INFO] [stderr] Downloaded chunked_transfer v0.3.1 [INFO] [stderr] Downloaded ascii v0.8.7 [INFO] [stderr] Downloaded rouille v2.2.0 [INFO] [stderr] Downloaded tiny_http v0.6.2 [INFO] [stderr] Downloaded buf_redux v0.6.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f9c340cee240bf23bea4d6d0409678f55c448515915a69554f6a89eb03e3ebe [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" "5f9c340cee240bf23bea4d6d0409678f55c448515915a69554f6a89eb03e3ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f9c340cee240bf23bea4d6d0409678f55c448515915a69554f6a89eb03e3ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f9c340cee240bf23bea4d6d0409678f55c448515915a69554f6a89eb03e3ebe", kill_on_drop: false }` [INFO] [stdout] 5f9c340cee240bf23bea4d6d0409678f55c448515915a69554f6a89eb03e3ebe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05a6c6cee27d548fb29be706a5c7c55fdc572c095f351990873b3f0c34ed01aa [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" "05a6c6cee27d548fb29be706a5c7c55fdc572c095f351990873b3f0c34ed01aa", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking filetime v0.2.6 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking gzip-header v0.3.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] error: failed to run custom build command for `rust_playground v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rust_playground-e8ed14b7979de0be/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Read-only file system (os error 30)', build.rs:13:22 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fe450a9ff5 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55fe450a9ff5 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55fe450a9ff5 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55fe450a9ff5 - ::fmt::h589f1bf1cf74dd71 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55fe450c700c - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55fe450a86b2 - std::io::Write::write_fmt::hbbad3ca30e02a58a [INFO] [stderr] at library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55fe450ac430 - std::sys_common::backtrace::_print::h96b2d71887f0b186 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55fe450ac430 - std::sys_common::backtrace::print::h6cd6e92e674a16a4 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55fe450ac430 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14 [INFO] [stderr] at library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x55fe450ac17c - std::panicking::default_hook::h3c589b4200c4e9d0 [INFO] [stderr] at library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x55fe450aca73 - std::panicking::rust_panic_with_hook::h99205632f2cac760 [INFO] [stderr] at library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x55fe450ac66b - rust_begin_unwind [INFO] [stderr] at library/std/src/panicking.rs:437 [INFO] [stderr] 12: 0x55fe450ac5db - std::panicking::begin_panic_fmt::h9e20f2177574e908 [INFO] [stderr] at library/std/src/panicking.rs:391 [INFO] [stderr] 13: 0x55fe450a1f06 - build_script_build::main::h45217f47c020b482 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13 [INFO] [stderr] 14: 0x55fe450a1acb - std::rt::lang_start::{{closure}}::h674ecb3e51d56e4b [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 15: 0x55fe450ace43 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09 [INFO] [stderr] at library/std/src/rt.rs:52 [INFO] [stderr] 16: 0x55fe450ace43 - std::panicking::try::do_call::haffb1227d43d77f1 [INFO] [stderr] at library/std/src/panicking.rs:348 [INFO] [stderr] 17: 0x55fe450ace43 - std::panicking::try::hc085bbb3f48e6fb0 [INFO] [stderr] at library/std/src/panicking.rs:325 [INFO] [stderr] 18: 0x55fe450ace43 - std::panic::catch_unwind::h0d91c438fed06f5e [INFO] [stderr] at library/std/src/panic.rs:394 [INFO] [stderr] 19: 0x55fe450ace43 - std::rt::lang_start_internal::h9a2f79aa5e187e95 [INFO] [stderr] at library/std/src/rt.rs:51 [INFO] [stderr] 20: 0x55fe450a1aa7 - std::rt::lang_start::hd319a4b5064f1e96 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 21: 0x55fe450a1fda - main [INFO] [stderr] 22: 0x7f9cd1a020b3 - __libc_start_main [INFO] [stderr] 23: 0x55fe4509f17e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "05a6c6cee27d548fb29be706a5c7c55fdc572c095f351990873b3f0c34ed01aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05a6c6cee27d548fb29be706a5c7c55fdc572c095f351990873b3f0c34ed01aa", kill_on_drop: false }` [INFO] [stdout] 05a6c6cee27d548fb29be706a5c7c55fdc572c095f351990873b3f0c34ed01aa