[INFO] fetching crate tab 0.5.2... [INFO] checking tab-0.5.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] extracting crate tab 0.5.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate tab 0.5.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tab 0.5.2 [INFO] finished tweaking crates.io crate tab 0.5.2 [INFO] tweaked toml for crates.io crate tab 0.5.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate tab 0.5.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tab-pty v0.5.2 [INFO] [stderr] Downloaded tab-daemon v0.5.2 [INFO] [stderr] Downloaded tab-command v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66c62c107394b08fb0d80a485804cf2765dcf46ad7bfdd353c4c9769a47e6c3a [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" "66c62c107394b08fb0d80a485804cf2765dcf46ad7bfdd353c4c9769a47e6c3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66c62c107394b08fb0d80a485804cf2765dcf46ad7bfdd353c4c9769a47e6c3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66c62c107394b08fb0d80a485804cf2765dcf46ad7bfdd353c4c9769a47e6c3a", kill_on_drop: false }` [INFO] [stdout] 66c62c107394b08fb0d80a485804cf2765dcf46ad7bfdd353c4c9769a47e6c3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6cc3534c420e34aa87be9d800bf9d0688f10c5537c6b5763a3d673e50a36bf8 [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" "f6cc3534c420e34aa87be9d800bf9d0688f10c5537c6b5763a3d673e50a36bf8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking owned-alloc v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Compiling sysinfo v0.15.3 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Checking lockfree v0.5.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking predicates v1.0.5 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking terminal_size v0.1.15 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking assert_cmd v1.0.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking semver-parser v0.10.1 [INFO] [stderr] Checking sha-1 v0.9.2 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking semver v0.11.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking dialoguer v0.6.2 [INFO] [stderr] Compiling tab v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking toml_edit v0.2.0 [INFO] [stderr] error: failed to run custom build command for `tab v0.5.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-4d5489d7ad5e3618/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'failed to create ./target/completions: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:13:45 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b9852a86a0 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55b9852a86a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b9852a86a0 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b9852a86a0 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b9852c35bc - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55b9852a6332 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55b9852aa3d5 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b9852aa3d5 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b9852aa3d5 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b9852a9f2a - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b9852aab71 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55b9852aa6b7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55b9852a8b5c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55b9852aa619 - rust_begin_unwind [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55b9852c2991 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55b9852c27b3 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55b98527af1f - core::result::Result::expect::hab240903a2935e37 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/result.rs:933:23 [INFO] [stderr] 17: 0x55b98522d299 - build_script_build::main::hc4c6de7ab2bf7eb8 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55b98522f38b - core::ops::function::FnOnce::call_once::h3b54e2da4ec990e2 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55b98522f92e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd955ebf1311feec2 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55b98522f5f1 - std::rt::lang_start::{{closure}}::h9793d4dd6212b472 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55b9852aaf97 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55b9852aaf97 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55b9852aaf97 - std::panicking::try::hb36953ccd24f930d [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55b9852aaf97 - std::panic::catch_unwind::hbb374cd03beb3824 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55b9852aaf97 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55b98522f5c7 - std::rt::lang_start::h3f739045dde8633e [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55b98522e99a - main [INFO] [stderr] 28: 0x7fbba00a90b3 - __libc_start_main [INFO] [stderr] 29: 0x55b98522d0be - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f6cc3534c420e34aa87be9d800bf9d0688f10c5537c6b5763a3d673e50a36bf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6cc3534c420e34aa87be9d800bf9d0688f10c5537c6b5763a3d673e50a36bf8", kill_on_drop: false }` [INFO] [stdout] f6cc3534c420e34aa87be9d800bf9d0688f10c5537c6b5763a3d673e50a36bf8