[INFO] fetching crate mcup 0.2.0... [INFO] checking mcup-0.2.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710 [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 07fecb9cf34c4979a772ba38c99d6d9144768413 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] 4aecf51493983cf9dcb812440a2c83129e28578b564ec9fdf4a7cb343287426d [INFO] running `Command { std: "docker" "start" "-a" "4aecf51493983cf9dcb812440a2c83129e28578b564ec9fdf4a7cb343287426d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aecf51493983cf9dcb812440a2c83129e28578b564ec9fdf4a7cb343287426d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aecf51493983cf9dcb812440a2c83129e28578b564ec9fdf4a7cb343287426d", kill_on_drop: false }` [INFO] [stdout] 4aecf51493983cf9dcb812440a2c83129e28578b564ec9fdf4a7cb343287426d [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--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] 2a055c5fd68d512b41762598d8f6e2ebc3127d002ae66a648b65a811be4eee58 [INFO] running `Command { std: "docker" "start" "-a" "2a055c5fd68d512b41762598d8f6e2ebc3127d002ae66a648b65a811be4eee58", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling os_str_bytes v2.4.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking vec_map v0.8.2 [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 terminal_size v0.1.17 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking directories v3.0.2 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking quick-xml v0.22.0 [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: 0x562c7bdea4ac - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562c7bdea4ac - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562c7bdea4ac - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562c7bdea4ac - ::fmt::h06b8f714a0700be1 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562c7be0416c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/fmt/mod.rs:1150:17 [INFO] [stderr] 5: 0x562c7bde82a5 - std::io::Write::write_fmt::hb1c61d571fcd8cbf [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x562c7bdebba0 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562c7bdebba0 - std::sys_common::backtrace::print::hae7d6625a78cd32e [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562c7bdebba0 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x562c7bdeb75b - std::panicking::default_hook::h5dc58e323cddd123 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x562c7bdec254 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x562c7bdebd30 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x562c7bdea974 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562c7bdebc99 - rust_begin_unwind [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x562c7bd4187b - std::panicking::begin_panic_fmt::h1d40aa0afd20effe [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:460:5 [INFO] [stderr] 15: 0x562c7bd429f7 - clap_generate::generate_to::h6cc29f19b8159946 [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: 0x562c7bd47c5b - build_script_build::generate_shell_completions::h173155b6fc99e364 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:24:5 [INFO] [stderr] 17: 0x562c7bd47a69 - build_script_build::main::h0642763cdca96c48 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x562c7bd4a36b - core::ops::function::FnOnce::call_once::h4f0d853f11c7db9f [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x562c7bd49ffe - std::sys_common::backtrace::__rust_begin_short_backtrace::h465b5897e02dba36 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x562c7bd4a0a1 - std::rt::lang_start::{{closure}}::hc27d88cf6dd2b415 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x562c7bdec75a - core::ops::function::impls:: for &F>::call_once::hc9bc8961e4809a14 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x562c7bdec75a - std::panicking::try::do_call::h6f00e12df2af6579 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40 [INFO] [stderr] 23: 0x562c7bdec75a - std::panicking::try::h588c31a0a9a8ad2c [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19 [INFO] [stderr] 24: 0x562c7bdec75a - std::panic::catch_unwind::h8ebc4fcb0e51bec0 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14 [INFO] [stderr] 25: 0x562c7bdec75a - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x562c7bdec75a - std::panicking::try::do_call::hf70c5056d8b410b7 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40 [INFO] [stderr] 27: 0x562c7bdec75a - std::panicking::try::h0c680320de5deb84 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19 [INFO] [stderr] 28: 0x562c7bdec75a - std::panic::catch_unwind::h7b94a99f13366c53 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14 [INFO] [stderr] 29: 0x562c7bdec75a - std::rt::lang_start_internal::hca14fb2549072049 [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x562c7bd4a070 - std::rt::lang_start::ha0a0ba66ab2f6a1a [INFO] [stderr] at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x562c7bd48d5c - main [INFO] [stderr] 32: 0x7ff90b4a10b3 - __libc_start_main [INFO] [stderr] 33: 0x562c7bd4264e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "2a055c5fd68d512b41762598d8f6e2ebc3127d002ae66a648b65a811be4eee58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a055c5fd68d512b41762598d8f6e2ebc3127d002ae66a648b65a811be4eee58", kill_on_drop: false }` [INFO] [stdout] 2a055c5fd68d512b41762598d8f6e2ebc3127d002ae66a648b65a811be4eee58