[INFO] fetching crate mcup 0.2.0... [INFO] testing mcup-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate mcup 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate mcup 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded directories v3.0.2 [INFO] [stderr] Downloaded terminal_size v0.1.17 [INFO] [stderr] Downloaded console v0.14.1 [INFO] [stderr] Downloaded dirs-sys v0.3.6 [INFO] [stderr] Downloaded quick-xml v0.22.0 [INFO] [stderr] Downloaded clap_generate v3.0.0-beta.2 [INFO] [stderr] Downloaded number_prefix v0.4.0 [INFO] [stderr] Downloaded indicatif v0.16.2 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa3bc1ecc0fb267ebfcc85517643e3b93246fb8764d9f8050b07b2c5993e83a8 [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" "fa3bc1ecc0fb267ebfcc85517643e3b93246fb8764d9f8050b07b2c5993e83a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa3bc1ecc0fb267ebfcc85517643e3b93246fb8764d9f8050b07b2c5993e83a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa3bc1ecc0fb267ebfcc85517643e3b93246fb8764d9f8050b07b2c5993e83a8", kill_on_drop: false }` [INFO] [stdout] fa3bc1ecc0fb267ebfcc85517643e3b93246fb8764d9f8050b07b2c5993e83a8 [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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2932d58011fe0b78b93792abec760e677486b9940c4bb6d4b7ec05aeb1bc35ea [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" "2932d58011fe0b78b93792abec760e677486b9940c4bb6d4b7ec05aeb1bc35ea", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling quick-xml v0.22.0 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling directories v3.0.2 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling 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-b911800c0e4ddabb/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: 0x55dbff9957d0 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55dbff9957d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55dbff9957d0 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55dbff9957d0 - ::fmt::he1640d5f0d93f618 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55dbff9afafc - core::fmt::write::h88012e1f01caeebf [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55dbff993e25 - std::io::Write::write_fmt::h360fa85b30182555 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55dbff99748b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55dbff99748b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55dbff99748b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55dbff996f61 - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55dbff997b54 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55dbff997637 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55dbff995ccc - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55dbff997599 - rust_begin_unwind [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55dbff8f98bb - std::panicking::begin_panic_fmt::h7ab3d84aa4ae32a2 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x55dbff8fadcf - clap_generate::generate_to::h53a53b5bf2ef35c8 [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: 0x55dbff8ffac7 - build_script_build::generate_shell_completions::h235354fbb1e42e45 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:24:5 [INFO] [stderr] 17: 0x55dbff8ff8c9 - build_script_build::main::he32b4b6abc84ba20 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55dbff8fca5b - core::ops::function::FnOnce::call_once::haeeae014e1e30efd [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55dbff900bde - std::sys_common::backtrace::__rust_begin_short_backtrace::he41dbf5bf1c63224 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55dbff901351 - std::rt::lang_start::{{closure}}::h87e386f9185c6db9 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x55dbff99805a - core::ops::function::impls:: for &F>::call_once::ha9408abe89f69dc4 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55dbff99805a - std::panicking::try::do_call::h5b0cc9e9102acb65 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55dbff99805a - std::panicking::try::hddc7f8229138b3ba [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55dbff99805a - std::panic::catch_unwind::hfa401ff8bab2986e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55dbff99805a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x55dbff99805a - std::panicking::try::do_call::hc742cc7bb4f0fb20 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 27: 0x55dbff99805a - std::panicking::try::ha37d8d2dd1acf7d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 28: 0x55dbff99805a - std::panic::catch_unwind::h8a5381d5ecf437bc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 29: 0x55dbff99805a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x55dbff901320 - std::rt::lang_start::h449f845cb659e08e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x55dbff900bcc - main [INFO] [stderr] 32: 0x7f845e3db0b3 - __libc_start_main [INFO] [stderr] 33: 0x55dbff8fa66e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "2932d58011fe0b78b93792abec760e677486b9940c4bb6d4b7ec05aeb1bc35ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2932d58011fe0b78b93792abec760e677486b9940c4bb6d4b7ec05aeb1bc35ea", kill_on_drop: false }` [INFO] [stdout] 2932d58011fe0b78b93792abec760e677486b9940c4bb6d4b7ec05aeb1bc35ea