[INFO] fetching crate tab 0.5.7... [INFO] testing tab-0.5.7 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1/source/Cargo.toml [INFO] crate crates.io crate tab 0.5.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memoffset v0.6.1 [INFO] [stderr] Downloaded assert_cmd v1.0.3 [INFO] [stderr] Downloaded dialoguer v0.7.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.1 [INFO] [stderr] Downloaded tab-daemon v0.5.4 [INFO] [stderr] Downloaded console v0.11.3 [INFO] [stderr] Downloaded terminal_size v0.1.16 [INFO] [stderr] Downloaded const_fn v0.4.5 [INFO] [stderr] Downloaded predicates v1.0.7 [INFO] [stderr] Downloaded tab-command v0.5.7 [INFO] [stderr] Downloaded console v0.13.0 [INFO] [stderr] Downloaded tab-pty v0.5.3 [INFO] [stderr] Downloaded insta v0.16.1 [INFO] [stderr] Downloaded zeroize v0.9.3 [INFO] [stderr] Downloaded sha-1 v0.9.3 [INFO] [stderr] Downloaded idna v0.2.1 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4293cdd81ab544346bb0edf0d06ad1c69c7b1d95bda35a09a7418be655248d58 [INFO] running `Command { std: "docker" "start" "-a" "4293cdd81ab544346bb0edf0d06ad1c69c7b1d95bda35a09a7418be655248d58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4293cdd81ab544346bb0edf0d06ad1c69c7b1d95bda35a09a7418be655248d58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4293cdd81ab544346bb0edf0d06ad1c69c7b1d95bda35a09a7418be655248d58", kill_on_drop: false }` [INFO] [stdout] 4293cdd81ab544346bb0edf0d06ad1c69c7b1d95bda35a09a7418be655248d58 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 336ea7d2310f95c9302dba2cda6eaee0eb4e9f0ffcd21cb44074070e949eb5bd [INFO] running `Command { std: "docker" "start" "-a" "336ea7d2310f95c9302dba2cda6eaee0eb4e9f0ffcd21cb44074070e949eb5bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling arc-swap v0.4.8 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling dtoa v0.4.7 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling ascii v0.9.3 [INFO] [stderr] Compiling zeroize v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling log-panics v2.0.0 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling idna v0.2.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nix v0.19.1 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling crossterm v0.19.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling console v0.13.0 [INFO] [stderr] Compiling dialoguer v0.7.1 [INFO] [stderr] Compiling simplelog v0.8.0 [INFO] [stderr] Compiling simplelog v0.9.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling toml_edit v0.2.0 [INFO] [stderr] Compiling tab v0.5.7 (/opt/rustwide/workdir) [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling typed-builder v0.8.0 [INFO] [stderr] error: failed to run custom build command for `tab v0.5.7 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-e26df412e61bf573/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'failed to create ./target/completions: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:13:45 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55936cff5df0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55936cff5df0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55936cff5df0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55936cff5df0 - ::fmt::h2a772198c4032452 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55936d00ffcc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55936cff3f55 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15 [INFO] [stderr] 6: 0x55936cff7a8b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55936cff7a8b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55936cff7a8b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55936cff7561 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55936cff8154 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55936cff7c37 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55936cff62ec - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55936cff7b99 - rust_begin_unwind [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55936cf7ef31 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55936cf7efc3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55936cfb17e9 - core::result::Result::expect::h15eacab1bd742b13 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55936cf7f8b7 - build_script_build::main::h06530b72bfde748f [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55936cf819fb - core::ops::function::FnOnce::call_once::hb8b43d3bbe912314 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55936cf81e4e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2448fb3f6ab8ac00 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55936cf817a1 - std::rt::lang_start::{{closure}}::hbf1c5c603f5262fb [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x55936cff865a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55936cff865a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55936cff865a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55936cff865a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55936cff865a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x55936cff865a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stderr] 27: 0x55936cff865a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stderr] 28: 0x55936cff865a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stderr] 29: 0x55936cff865a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x55936cf81770 - std::rt::lang_start::h313639b6c0ff0faa [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x55936cf8100c - main [INFO] [stderr] 32: 0x7f3dc04da0b3 - __libc_start_main [INFO] [stderr] 33: 0x55936cf7f68e - _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" "336ea7d2310f95c9302dba2cda6eaee0eb4e9f0ffcd21cb44074070e949eb5bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "336ea7d2310f95c9302dba2cda6eaee0eb4e9f0ffcd21cb44074070e949eb5bd", kill_on_drop: false }` [INFO] [stdout] 336ea7d2310f95c9302dba2cda6eaee0eb4e9f0ffcd21cb44074070e949eb5bd