[INFO] fetching crate tab 0.5.5... [INFO] checking tab-0.5.5 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213 [INFO] extracting crate tab 0.5.5 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate tab 0.5.5 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tab 0.5.5 [INFO] finished tweaking crates.io crate tab 0.5.5 [INFO] tweaked toml for crates.io crate tab 0.5.5 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate tab 0.5.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tab-api v0.5.3 [INFO] [stderr] Downloaded tab-pty v0.5.3 [INFO] [stderr] Downloaded insta v0.16.1 [INFO] [stderr] Downloaded tab-daemon v0.5.4 [INFO] [stderr] Downloaded tab-command v0.5.5 [INFO] [stderr] Downloaded sysinfo v0.15.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] 5a28356bc68d91ff58120ea13c06b421bb497935f5ee9d612ed7ea3eee194e64 [INFO] running `Command { std: "docker" "start" "-a" "5a28356bc68d91ff58120ea13c06b421bb497935f5ee9d612ed7ea3eee194e64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a28356bc68d91ff58120ea13c06b421bb497935f5ee9d612ed7ea3eee194e64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a28356bc68d91ff58120ea13c06b421bb497935f5ee9d612ed7ea3eee194e64", kill_on_drop: false }` [INFO] [stdout] 5a28356bc68d91ff58120ea13c06b421bb497935f5ee9d612ed7ea3eee194e64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d177ec79cef9604330bd7378f5e5b15b22e545b4b1b89abd7024596a777f6feb [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" "d177ec79cef9604330bd7378f5e5b15b22e545b4b1b89abd7024596a777f6feb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking owned-alloc v0.2.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking arc-swap v0.4.8 [INFO] [stderr] Compiling sysinfo v0.15.4 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking smallvec v1.6.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking zeroize v0.9.3 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking http v0.2.2 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking lockfree v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking unreachable 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] Checking predicates v1.0.6 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking semver-parser v0.10.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking terminal_size v0.1.15 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking log-panics v2.0.0 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking assert_cmd v1.0.2 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking semver v0.11.0 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking crossterm v0.19.0 [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 mio-uds v0.6.8 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking sha-1 v0.9.2 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking dialoguer v0.7.1 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking simplelog v0.9.0 [INFO] [stderr] Checking toml_edit v0.2.0 [INFO] [stderr] Compiling tab v0.5.5 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `tab v0.5.5 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-06e7829ab6744416/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: 0x55e178b23e07 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55e178b23e07 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55e178b23e07 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55e178b23e07 - ::fmt::h04bea14549780a0f [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55e178b3b20c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x55e178b21892 - std::io::Write::write_fmt::h55dd75636eef6a5c [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x55e178b25b35 - std::sys_common::backtrace::_print::h6439e8525077c7da [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55e178b25b35 - std::sys_common::backtrace::print::h02b685f728ce3931 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55e178b25b35 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55e178b25693 - std::panicking::default_hook::hba441710bb71f4d5 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55e178b262d1 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55e178b25e17 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55e178b242cc - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55e178b25d79 - rust_begin_unwind [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55e178b3a5e1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55e178b3a403 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/option.rs:1266:5 [INFO] [stderr] 16: 0x55e178afa4f4 - core::result::Result::expect::hd9e0a27d8005373c [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/result.rs:929:23 [INFO] [stderr] 17: 0x55e178aa4293 - build_script_build::main::h9882d096b1942a32 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55e178aa80eb - core::ops::function::FnOnce::call_once::hc7a3b2b54ebafbb6 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55e178aa651e - std::sys_common::backtrace::__rust_begin_short_backtrace::h062da25102d6cfbf [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55e178aa62d1 - std::rt::lang_start::{{closure}}::h13b964f7abe0a10a [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55e178b266f7 - core::ops::function::impls:: for &F>::call_once::h7c92107c3c98a949 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55e178b266f7 - std::panicking::try::do_call::h7454c57e8fbf0cc1 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55e178b266f7 - std::panicking::try::he71cdc15ed83b5ec [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55e178b266f7 - std::panic::catch_unwind::hfc08ddb043e6e18c [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55e178b266f7 - std::rt::lang_start_internal::he4958117ec6901fd [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55e178aa62a7 - std::rt::lang_start::hdaf75a21a0159653 [INFO] [stderr] at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55e178aa570a - main [INFO] [stderr] 28: 0x7f2667da60b3 - __libc_start_main [INFO] [stderr] 29: 0x55e178aa40be - _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" "d177ec79cef9604330bd7378f5e5b15b22e545b4b1b89abd7024596a777f6feb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d177ec79cef9604330bd7378f5e5b15b22e545b4b1b89abd7024596a777f6feb", kill_on_drop: false }` [INFO] [stdout] d177ec79cef9604330bd7378f5e5b15b22e545b4b1b89abd7024596a777f6feb