[INFO] fetching crate tab 0.5.1... [INFO] testing tab-0.5.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate tab 0.5.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate tab 0.5.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tab 0.5.1 [INFO] finished tweaking crates.io crate tab 0.5.1 [INFO] tweaked toml for crates.io crate tab 0.5.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate tab 0.5.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tab-pty v0.5.0 [INFO] [stderr] Downloaded tab-command v0.5.1 [INFO] [stderr] Downloaded ascii v0.9.3 [INFO] [stderr] Downloaded which v4.0.2 [INFO] [stderr] Downloaded insta v0.16.1 [INFO] [stderr] Downloaded async-trait v0.1.41 [INFO] [stderr] Downloaded termcolor v1.1.1 [INFO] [stderr] Downloaded typed-builder v0.7.0 [INFO] [stderr] Downloaded strip-ansi-escapes v0.1.0 [INFO] [stderr] Downloaded toml_edit v0.2.0 [INFO] [stderr] Downloaded tab-daemon v0.5.1 [INFO] [stderr] Downloaded vte v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] cac40f8454aca1b6316ef40c75f801d0dfc39d3a16082cf0fdd4d41ae8eb9dfa [INFO] running `Command { std: "docker" "start" "-a" "cac40f8454aca1b6316ef40c75f801d0dfc39d3a16082cf0fdd4d41ae8eb9dfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cac40f8454aca1b6316ef40c75f801d0dfc39d3a16082cf0fdd4d41ae8eb9dfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cac40f8454aca1b6316ef40c75f801d0dfc39d3a16082cf0fdd4d41ae8eb9dfa", kill_on_drop: false }` [INFO] [stdout] cac40f8454aca1b6316ef40c75f801d0dfc39d3a16082cf0fdd4d41ae8eb9dfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", 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] f65c57c74456c45a61893f6011182f7851a02e5ac82465b3967a3658f5152307 [INFO] running `Command { std: "docker" "start" "-a" "f65c57c74456c45a61893f6011182f7851a02e5ac82465b3967a3658f5152307", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling futures-sink v0.3.8 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling sysinfo v0.15.3 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling smallvec v1.5.0 [INFO] [stderr] Compiling termcolor v1.1.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling ascii v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling tinyvec v1.0.1 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.2 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling mio v0.7.6 [INFO] [stderr] Compiling terminal_size v0.1.15 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling semver-parser v0.10.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling signal-hook v0.1.16 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling sha-1 v0.9.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling simplelog v0.8.0 [INFO] [stderr] Compiling console v0.11.3 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling dialoguer v0.6.2 [INFO] [stderr] Compiling toml_edit v0.2.0 [INFO] [stderr] Compiling tab v0.5.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `tab v0.5.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-d4769a2977488094/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: 0x55e8e8254540 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55e8e8254540 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55e8e8254540 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55e8e8254540 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55e8e826f91c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55e8e8251ff2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55e8e8256805 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55e8e8256805 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55e8e8256805 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55e8e825635a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55e8e8256fa1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55e8e8256ae7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55e8e82549fc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55e8e8256a49 - rust_begin_unwind [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55e8e826ecc1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55e8e826eae3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55e8e821d3cf - core::result::Result::expect::hac7cb4c0d96dd6f9 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23 [INFO] [stderr] 17: 0x55e8e81d7299 - build_script_build::main::hfb093ec1efb1ee67 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55e8e81d938b - core::ops::function::FnOnce::call_once::h7de275f35fc428c3 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55e8e81d996e - std::sys_common::backtrace::__rust_begin_short_backtrace::h54c1f3c87e322a44 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55e8e81d95f1 - std::rt::lang_start::{{closure}}::he263d8fa72a4e07f [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55e8e82573c7 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55e8e82573c7 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55e8e82573c7 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55e8e82573c7 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55e8e82573c7 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55e8e81d95c7 - std::rt::lang_start::h5062d5acc2c40306 [INFO] [stderr] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55e8e81d899a - main [INFO] [stderr] 28: 0x7f028b9560b3 - __libc_start_main [INFO] [stderr] 29: 0x55e8e81d70be - _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" "f65c57c74456c45a61893f6011182f7851a02e5ac82465b3967a3658f5152307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f65c57c74456c45a61893f6011182f7851a02e5ac82465b3967a3658f5152307", kill_on_drop: false }` [INFO] [stdout] f65c57c74456c45a61893f6011182f7851a02e5ac82465b3967a3658f5152307