[INFO] fetching crate rustdemo 0.1.0... [INFO] testing rustdemo-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate rustdemo 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rustdemo 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustdemo 0.1.0 [INFO] finished tweaking crates.io crate rustdemo 0.1.0 [INFO] tweaked toml for crates.io crate rustdemo 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6209ed5a75c69e20599a964a3cfa484a8c9faa31dfa8f9806bb61c40156c372 [INFO] running `Command { std: "docker" "start" "-a" "a6209ed5a75c69e20599a964a3cfa484a8c9faa31dfa8f9806bb61c40156c372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6209ed5a75c69e20599a964a3cfa484a8c9faa31dfa8f9806bb61c40156c372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6209ed5a75c69e20599a964a3cfa484a8c9faa31dfa8f9806bb61c40156c372", kill_on_drop: false }` [INFO] [stdout] a6209ed5a75c69e20599a964a3cfa484a8c9faa31dfa8f9806bb61c40156c372 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2ba9cef8ebb03c24dbab137a5ad039ce1c8d7c57ef3897e014a5bcb96d9270b [INFO] running `Command { std: "docker" "start" "-a" "f2ba9cef8ebb03c24dbab137a5ad039ce1c8d7c57ef3897e014a5bcb96d9270b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] error: failed to run custom build command for `rustdemo v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustdemo-f68fe8537468b8f1/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" }', build.rs:9:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557b84140e8c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x557b84140e8c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557b84140e8c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x557b84140e8c - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x557b8415b1cc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x557b8413e885 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x557b84142490 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x557b84142490 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x557b84142490 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x557b8414203b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x557b84142b44 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x557b84142620 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x557b84141344 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x557b84142589 - rust_begin_unwind [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x557b84120cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x557b84120d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x557b841220cd - core::result::Result::unwrap::h7b5e876305ae6d95 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x557b84123302 - build_script_build::main::h6a5d5acc69c1e8b7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9:17 [INFO] [stderr] 18: 0x557b8412315b - core::ops::function::FnOnce::call_once::h4310beca43e300ad [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x557b8412237e - std::sys_common::backtrace::__rust_begin_short_backtrace::h37425e0d8481e2cc [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x557b84122351 - std::rt::lang_start::{{closure}}::h0f9d0ca7086dde73 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x557b841406d1 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x557b841406d1 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x557b841406d1 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x557b841406d1 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x557b841406d1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x557b841406d1 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x557b841406d1 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x557b841406d1 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x557b841406d1 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x557b84122320 - std::rt::lang_start::h633886cb2f45a5f7 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x557b841235ac - main [INFO] [stderr] 32: 0x7f949fa300b3 - __libc_start_main [INFO] [stderr] 33: 0x557b841213ee - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f2ba9cef8ebb03c24dbab137a5ad039ce1c8d7c57ef3897e014a5bcb96d9270b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2ba9cef8ebb03c24dbab137a5ad039ce1c8d7c57ef3897e014a5bcb96d9270b", kill_on_drop: false }` [INFO] [stdout] f2ba9cef8ebb03c24dbab137a5ad039ce1c8d7c57ef3897e014a5bcb96d9270b