[INFO] fetching crate tab 0.4.0... [INFO] checking tab-0.4.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] extracting crate tab 0.4.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate tab 0.4.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tab 0.4.0 [INFO] finished tweaking crates.io crate tab 0.4.0 [INFO] tweaked toml for crates.io crate tab 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate tab 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded insta v0.16.1 [INFO] [stderr] Downloaded tab-command v0.4.0 [INFO] [stderr] Downloaded tab-daemon v0.4.0 [INFO] [stderr] Downloaded semver-parser v0.10.0 [INFO] [stderr] Downloaded tab-pty v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] c416ec31812b0cbb0e8f2c995674b91f46eb4dccc89457112970a803533982c0 [INFO] running `Command { std: "docker" "start" "-a" "c416ec31812b0cbb0e8f2c995674b91f46eb4dccc89457112970a803533982c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c416ec31812b0cbb0e8f2c995674b91f46eb4dccc89457112970a803533982c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c416ec31812b0cbb0e8f2c995674b91f46eb4dccc89457112970a803533982c0", kill_on_drop: false }` [INFO] [stdout] c416ec31812b0cbb0e8f2c995674b91f46eb4dccc89457112970a803533982c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3aaad96263cf0228907da2874e3ca925d91b0951ad8746e4ca754f87f1852ebe [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" "3aaad96263cf0228907da2874e3ca925d91b0951ad8746e4ca754f87f1852ebe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.44 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.6 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling pin-project-internal v0.4.26 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking tinyvec v0.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling rayon-core v1.8.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.33 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Compiling sysinfo v0.15.3 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-task v0.3.6 [INFO] [stderr] Checking futures-channel v0.3.6 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.4.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking mio v0.7.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking assert_cmd v1.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking crossterm v0.17.7 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking sha-1 v0.9.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking dialoguer v0.6.2 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Compiling tab v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `tab v0.4.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-6c1e9f5b4176e5b3/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: 0x55ddd7e0b290 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55ddd7e0b290 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55ddd7e0b290 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55ddd7e0b290 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55ddd7e249cc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x55ddd7e08fe2 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x55ddd7e0d3f5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55ddd7e0d3f5 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55ddd7e0d3f5 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55ddd7e0d098 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55ddd7e0db31 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55ddd7e0d677 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x55ddd7e0b72c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55ddd7e0d5d9 - rust_begin_unwind [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x55ddd7e23ce1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55ddd7e23b03 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55ddd7dcf7ef - core::result::Result::expect::ha859db59cf20f953 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/result.rs:933:23 [INFO] [stderr] 17: 0x55ddd7d8c299 - build_script_build::main::h110a144ea79657cf [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55ddd7d9036b - core::ops::function::FnOnce::call_once::hc8aa231423174248 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55ddd7d8e5ce - std::sys_common::backtrace::__rust_begin_short_backtrace::hb29ca55c51066e1f [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55ddd7d8e3f1 - std::rt::lang_start::{{closure}}::h8dbeef9bf216e11a [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55ddd7e0df57 - core::ops::function::impls:: for &F>::call_once::h3f3ba5d1e0ce8d49 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55ddd7e0df57 - std::panicking::try::do_call::hd7a374fc87b951e7 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:381:40 [INFO] [stderr] 23: 0x55ddd7e0df57 - std::panicking::try::hcc68eba0f7d51b82 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panicking.rs:345:19 [INFO] [stderr] 24: 0x55ddd7e0df57 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/panic.rs:382:14 [INFO] [stderr] 25: 0x55ddd7e0df57 - std::rt::lang_start_internal::h8ff82302dd620b52 [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55ddd7d8e3c7 - std::rt::lang_start::h6786a117fcbd7d5c [INFO] [stderr] at /rustc/b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55ddd7d8d6ba - main [INFO] [stderr] 28: 0x7faf04fca0b3 - __libc_start_main [INFO] [stderr] 29: 0x55ddd7d8c0be - _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" "3aaad96263cf0228907da2874e3ca925d91b0951ad8746e4ca754f87f1852ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aaad96263cf0228907da2874e3ca925d91b0951ad8746e4ca754f87f1852ebe", kill_on_drop: false }` [INFO] [stdout] 3aaad96263cf0228907da2874e3ca925d91b0951ad8746e4ca754f87f1852ebe