[INFO] fetching crate mcup 0.2.0... [INFO] checking mcup-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate mcup 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate mcup 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mcup 0.2.0 [INFO] finished tweaking crates.io crate mcup 0.2.0 [INFO] tweaked toml for crates.io crate mcup 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate mcup 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9f91c9ab18bd11c849051ed7cb00a56e47e150d733a3f4740ad794a958d26f3 [INFO] running `Command { std: "docker" "start" "-a" "b9f91c9ab18bd11c849051ed7cb00a56e47e150d733a3f4740ad794a958d26f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9f91c9ab18bd11c849051ed7cb00a56e47e150d733a3f4740ad794a958d26f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9f91c9ab18bd11c849051ed7cb00a56e47e150d733a3f4740ad794a958d26f3", kill_on_drop: false }` [INFO] [stdout] b9f91c9ab18bd11c849051ed7cb00a56e47e150d733a3f4740ad794a958d26f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfa3f29257de9253d61ab7b67392765c35e2f041a175b4a47cc4e14286ff91a9 [INFO] running `Command { std: "docker" "start" "-a" "cfa3f29257de9253d61ab7b67392765c35e2f041a175b4a47cc4e14286ff91a9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling anyhow v1.0.42 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling os_str_bytes v2.4.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling textwrap v0.12.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking quick-xml v0.22.0 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking directories v3.0.2 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling clap v3.0.0-beta.2 [INFO] [stderr] Compiling clap_generate v3.0.0-beta.2 [INFO] [stderr] Compiling mcup v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `mcup v0.2.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mcup-876a5a8946504f2b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'couldn't create completion file: Read-only file system (os error 30)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap_generate-3.0.0-beta.2/src/lib.rs:135:21 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a51dbcff7c - std::backtrace_rs::backtrace::libunwind::trace::h2ab374bc2a3b7023 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55a51dbcff7c - std::backtrace_rs::backtrace::trace_unsynchronized::h128cb5178b04dc46 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55a51dbcff7c - std::sys_common::backtrace::_print_fmt::h5344f9eefca2041f [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55a51dbcff7c - ::fmt::h213003bc5c7acf04 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55a51dbeb5bc - core::fmt::write::h78bf85fc3e93663f [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/fmt/mod.rs:1126:17 [INFO] [stderr] 5: 0x55a51dbcdc25 - std::io::Write::write_fmt::he619515c888f21a5 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x55a51dbd1680 - std::sys_common::backtrace::_print::hf706674f77848203 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55a51dbd1680 - std::sys_common::backtrace::print::hf0b6c7a88804ec56 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55a51dbd1680 - std::panicking::default_hook::{{closure}}::h2dde766cd83a333a [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x55a51dbd1237 - std::panicking::default_hook::h501e3b2e134eb149 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55a51dbd1d34 - std::panicking::rust_panic_with_hook::hc09e869c4cf00885 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x55a51dbd1810 - std::panicking::begin_panic_handler::{{closure}}::hc2c6d70142458fc8 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x55a51dbd0424 - std::sys_common::backtrace::__rust_end_short_backtrace::had58f7c459a1cd6e [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55a51dbd1779 - rust_begin_unwind [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x55a51db2787b - std::panicking::begin_panic_fmt::h72e1f9ab89522086 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:460:5 [INFO] [stderr] 15: 0x55a51db293f7 - clap_generate::generate_to::hd77272dba1fe271d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap_generate-3.0.0-beta.2/src/lib.rs:135:21 [INFO] [stderr] 16: 0x55a51db2dbcb - build_script_build::generate_shell_completions::hc8c749c979b47965 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:24:5 [INFO] [stderr] 17: 0x55a51db2d9d9 - build_script_build::main::h9f48c49de6f0c1ed [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55a51db3025b - core::ops::function::FnOnce::call_once::hee84839372229450 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55a51db2a3ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hc398a899226e2af8 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55a51db2ffc1 - std::rt::lang_start::{{closure}}::h20a1552dce3eab54 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:64:18 [INFO] [stderr] 21: 0x55a51dbd223a - core::ops::function::impls:: for &F>::call_once::hab43eb8ec758341e [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55a51dbd223a - std::panicking::try::do_call::hb667fefd650e964d [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40 [INFO] [stderr] 23: 0x55a51dbd223a - std::panicking::try::hc279775c9409768d [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19 [INFO] [stderr] 24: 0x55a51dbd223a - std::panic::catch_unwind::hbe8b6ecc84f73073 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x55a51dbd223a - std::rt::lang_start_internal::{{closure}}::hb04fdaef496a162b [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:48 [INFO] [stderr] 26: 0x55a51dbd223a - std::panicking::try::do_call::habca359de051411d [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40 [INFO] [stderr] 27: 0x55a51dbd223a - std::panicking::try::h24c556a6948e0937 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19 [INFO] [stderr] 28: 0x55a51dbd223a - std::panic::catch_unwind::h58075d47f5a308d8 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x55a51dbd223a - std::rt::lang_start_internal::h3d20dc1537d76758 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:20 [INFO] [stderr] 30: 0x55a51db2ff90 - std::rt::lang_start::h55cad8005d163156 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:63:17 [INFO] [stderr] 31: 0x55a51db2eccc - main [INFO] [stderr] 32: 0x7fb1b84220b3 - __libc_start_main [INFO] [stderr] 33: 0x55a51db285fe - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "cfa3f29257de9253d61ab7b67392765c35e2f041a175b4a47cc4e14286ff91a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfa3f29257de9253d61ab7b67392765c35e2f041a175b4a47cc4e14286ff91a9", kill_on_drop: false }` [INFO] [stdout] cfa3f29257de9253d61ab7b67392765c35e2f041a175b4a47cc4e14286ff91a9