[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinlov%2Frust_playground" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinlov/rust_playground on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6bd8de2e206face4964b6ea2c52e7897deb0de02b6cc30b6152b86be6cf0b8a [INFO] running `Command { std: "docker" "start" "-a" "f6bd8de2e206face4964b6ea2c52e7897deb0de02b6cc30b6152b86be6cf0b8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6bd8de2e206face4964b6ea2c52e7897deb0de02b6cc30b6152b86be6cf0b8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6bd8de2e206face4964b6ea2c52e7897deb0de02b6cc30b6152b86be6cf0b8a", kill_on_drop: false }` [INFO] [stdout] f6bd8de2e206face4964b6ea2c52e7897deb0de02b6cc30b6152b86be6cf0b8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b126404c0457cc06d4bcba69ec13105f4e742685000f4212b9fc688c0d585841 [INFO] running `Command { std: "docker" "start" "-a" "b126404c0457cc06d4bcba69ec13105f4e742685000f4212b9fc688c0d585841", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [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] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.1 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [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-02fdf7b8b7aa2923/build-script-build` (exit status: 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: 0x55f3cb631950 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55f3cb631950 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f3cb631950 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f3cb631950 - ::fmt::hcc0746f004a9b7ef [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f3cb64b24c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55f3cb630265 - std::io::Write::write_fmt::h23dab4cc9ce72ee2 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55f3cb63358b - std::sys_common::backtrace::_print::h173dc702502d65d2 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f3cb63358b - std::sys_common::backtrace::print::h61bd27c4742ba817 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f3cb63358b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f3cb633061 - std::panicking::default_hook::h0538e728ee080db0 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55f3cb633c54 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55f3cb633737 - std::panicking::begin_panic_handler::{{closure}}::h884fbab544ffd91c [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55f3cb631e4c - std::sys_common::backtrace::__rust_end_short_backtrace::hdaf2e18ba3d91210 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f3cb633699 - rust_begin_unwind [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55f3cb6208bb - std::panicking::begin_panic_fmt::h34884936c58ac1e4 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x55f3cb62221c - build_script_build::main::hb29c4cb4fbd5fe4b [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:22 [INFO] [stderr] 16: 0x55f3cb62277b - core::ops::function::FnOnce::call_once::h35d4ec63341aaae6 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x55f3cb62230e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d6196544f7c3ff6 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x55f3cb6238a1 - std::rt::lang_start::{{closure}}::h5c4711ba547067f3 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:63:18 [INFO] [stderr] 19: 0x55f3cb63415a - core::ops::function::impls:: for &F>::call_once::h61bcc1dec5918b7e [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x55f3cb63415a - std::panicking::try::do_call::h672d24f85ce22db4 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40 [INFO] [stderr] 21: 0x55f3cb63415a - std::panicking::try::he383e7ef11604e58 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19 [INFO] [stderr] 22: 0x55f3cb63415a - std::panic::catch_unwind::h502ac6058961e393 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14 [INFO] [stderr] 23: 0x55f3cb63415a - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:48 [INFO] [stderr] 24: 0x55f3cb63415a - std::panicking::try::do_call::h84f41bb3453bbd14 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40 [INFO] [stderr] 25: 0x55f3cb63415a - std::panicking::try::h969c45dbbf2e4c94 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19 [INFO] [stderr] 26: 0x55f3cb63415a - std::panic::catch_unwind::he40b1a4614f73e03 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14 [INFO] [stderr] 27: 0x55f3cb63415a - std::rt::lang_start_internal::h0fbab25cccdb30d8 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:20 [INFO] [stderr] 28: 0x55f3cb623870 - std::rt::lang_start::haa769106ea1dcdc1 [INFO] [stderr] at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:62:5 [INFO] [stderr] 29: 0x55f3cb6222fc - main [INFO] [stderr] 30: 0x7fea6a3d40b3 - __libc_start_main [INFO] [stderr] 31: 0x55f3cb62157e - _start [INFO] [stderr] 32: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b126404c0457cc06d4bcba69ec13105f4e742685000f4212b9fc688c0d585841", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b126404c0457cc06d4bcba69ec13105f4e742685000f4212b9fc688c0d585841", kill_on_drop: false }` [INFO] [stdout] b126404c0457cc06d4bcba69ec13105f4e742685000f4212b9fc688c0d585841