[INFO] fetching crate tab 0.5.7... [INFO] checking tab-0.5.7 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate tab 0.5.7 [INFO] finished tweaking crates.io crate tab 0.5.7 [INFO] tweaked toml for crates.io crate tab 0.5.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tab 0.5.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 804fae1118d37942d472cd4f66fb9b7d4d0020a5d0b2ac074ab5bb2014e52005 [INFO] running `Command { std: "docker" "start" "-a" "804fae1118d37942d472cd4f66fb9b7d4d0020a5d0b2ac074ab5bb2014e52005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "804fae1118d37942d472cd4f66fb9b7d4d0020a5d0b2ac074ab5bb2014e52005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "804fae1118d37942d472cd4f66fb9b7d4d0020a5d0b2ac074ab5bb2014e52005", kill_on_drop: false }` [INFO] [stdout] 804fae1118d37942d472cd4f66fb9b7d4d0020a5d0b2ac074ab5bb2014e52005 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecc253c4c2cf6af368cdecd299b914d3cf3034ee2ef24fe4c98462cbfd979ac8 [INFO] running `Command { std: "docker" "start" "-a" "ecc253c4c2cf6af368cdecd299b914d3cf3034ee2ef24fe4c98462cbfd979ac8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking arc-swap v0.4.8 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking log-panics v2.0.0 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking zeroize v0.9.3 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking sha-1 v0.9.3 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking simplelog v0.9.0 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking dialoguer v0.7.1 [INFO] [stderr] Checking toml_edit v0.2.0 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling typed-builder v0.8.0 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking snailquote v0.3.0 [INFO] [stderr] Checking which v4.0.2 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Compiling tab v0.5.7 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `tab v0.5.7 (/opt/rustwide/workdir)` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-4661b473839430f4/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1876) panicked at build.rs:13:45: [INFO] [stderr] failed to create ./target/completions: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x565af0c95a42 - std::backtrace_rs::backtrace::libunwind::trace::hbea4c4361d976d9f [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x565af0c95a42 - std::backtrace_rs::backtrace::trace_unsynchronized::h24ac09a275696d40 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x565af0c95a42 - std::sys::backtrace::_print_fmt::h082519eb085fbf7d [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x565af0c95a42 - ::fmt::h2cd9656577aefc6d [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x565af0cb139f - core::fmt::rt::Argument::fmt::h12bc9925885d5110 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x565af0cb139f - core::fmt::write::h5bf12ce417f28db4 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x565af0c87bd3 - std::io::default_write_fmt::h6670289da6979956 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x565af0c87bd3 - std::io::Write::write_fmt::h279920046451d90f [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x565af0c95bc2 - std::sys::backtrace::BacktraceLock::print::h80e4c589a4f701f2 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x565af0c8616c - std::panicking::default_hook::{{closure}}::h15ddaac16a5a7446 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x565af0c85fae - std::panicking::default_hook::hb187b31075710008 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x565af0c855fd - std::panicking::panic_with_hook::h13a15813804ea1a7 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x565af0c95c7a - std::panicking::panic_handler::{{closure}}::h6e8a7899819f7e8e [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x565af0c95bd9 - std::sys::backtrace::__rust_end_short_backtrace::h9ee05d6aba5d3318 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x565af0c8580d - __rustc[106fd6a171f8100f]::rust_begin_unwind [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x565af0cb4ce0 - core::panicking::panic_fmt::h1f7e7fb8eac469a1 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x565af0cb54b6 - core::result::unwrap_failed::h4fad5de6159fbde5 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/result.rs:1852:5 [INFO] [stderr] 17: 0x565af0c343a0 - core::result::Result::expect::h3ec5a69d2de9d388 [INFO] [stderr] 18: 0x565af0c31ea9 - build_script_build::main::hc3d8fd6d0666bf14 [INFO] [stderr] 19: 0x565af0c30263 - core::ops::function::FnOnce::call_once::h36e0e1717f5bb1b6 [INFO] [stderr] 20: 0x565af0c2fc86 - std::sys::backtrace::__rust_begin_short_backtrace::ha94b4a117b815dbf [INFO] [stderr] 21: 0x565af0c2fc39 - std::rt::lang_start::{{closure}}::h7ee9b21b2d2bc179 [INFO] [stderr] 22: 0x565af0c96400 - core::ops::function::impls:: for &F>::call_once::hf041d389344f56bb [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 23: 0x565af0c96400 - std::panicking::catch_unwind::do_call::hcc878ac5325385ca [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x565af0c96400 - std::panicking::catch_unwind::h19b909e5851b1ecc [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x565af0c96400 - std::panic::catch_unwind::hf7b61f0d85beddf7 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x565af0c96400 - std::rt::lang_start_internal::{{closure}}::hf4a2cf218490b1eb [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x565af0c96400 - std::panicking::catch_unwind::do_call::h87d50ac29e3f2ea1 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x565af0c96400 - std::panicking::catch_unwind::h74fa98d980427683 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x565af0c96400 - std::panic::catch_unwind::hea88d035b3883372 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x565af0c96400 - std::rt::lang_start_internal::h9835821d1cda1ad4 [INFO] [stderr] at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x565af0c2fc71 - std::rt::lang_start::hc4bbc28795d707c6 [INFO] [stderr] 32: 0x565af0c31fe5 - main [INFO] [stderr] 33: 0x782a4f3351ca - [INFO] [stderr] 34: 0x782a4f33528b - __libc_start_main [INFO] [stderr] 35: 0x565af0c2e805 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ecc253c4c2cf6af368cdecd299b914d3cf3034ee2ef24fe4c98462cbfd979ac8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc253c4c2cf6af368cdecd299b914d3cf3034ee2ef24fe4c98462cbfd979ac8", kill_on_drop: false }` [INFO] [stdout] ecc253c4c2cf6af368cdecd299b914d3cf3034ee2ef24fe4c98462cbfd979ac8