[INFO] fetching crate tab 0.5.7... [INFO] checking tab-0.5.7 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-8/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ba15ed416dd7ebbdf1da7be1ca0bdf00e6ecbec51deebf471cce5a7d549444f [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" "8ba15ed416dd7ebbdf1da7be1ca0bdf00e6ecbec51deebf471cce5a7d549444f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ba15ed416dd7ebbdf1da7be1ca0bdf00e6ecbec51deebf471cce5a7d549444f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ba15ed416dd7ebbdf1da7be1ca0bdf00e6ecbec51deebf471cce5a7d549444f", kill_on_drop: false }` [INFO] [stdout] 8ba15ed416dd7ebbdf1da7be1ca0bdf00e6ecbec51deebf471cce5a7d549444f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--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] 1eb0e7ce58e4788bd4b87f88955cfc561817ffa9e8c4a32ed4072d3a35fa55f7 [INFO] running `Command { std: "docker" "start" "-a" "1eb0e7ce58e4788bd4b87f88955cfc561817ffa9e8c4a32ed4072d3a35fa55f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking zeroize v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking semver-parser v0.10.2 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Checking log-panics v2.0.0 [INFO] [stderr] Checking semver v0.11.0 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking sha-1 v0.9.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking simplelog v0.9.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking dialoguer v0.7.1 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking toml_edit v0.2.0 [INFO] [stderr] Compiling tab v0.5.7 (/opt/rustwide/workdir) [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-7da672213367a063/build-script-build` (exit status: 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: 0x55d7d840fa00 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55d7d840fa00 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55d7d840fa00 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55d7d840fa00 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55d7d842a31f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55d7d840de35 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/io/mod.rs:1578:15 [INFO] [stderr] 6: 0x55d7d841159b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55d7d841159b - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55d7d841159b - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55d7d841107d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55d7d8411b4d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55d7d8411747 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55d7d840fe9c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55d7d84116a9 - rust_begin_unwind [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55d7d8399ee1 - core::panicking::panic_fmt::he3827412471ccbb1 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55d7d8399f73 - core::result::unwrap_failed::h6e66654d198da7bd [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55d7d839efe0 - core::result::Result::expect::hbffb046257992278 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55d7d839ac9b - build_script_build::main::ha974dfcf4226f868 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55d7d839e42b - core::ops::function::FnOnce::call_once::h354552ecea38dbe2 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55d7d839d1ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h722c537e30c9d244 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55d7d839c951 - std::rt::lang_start::{{closure}}::h2c0a3aae4dccb9d4 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55d7d8411f4a - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55d7d8411f4a - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55d7d8411f4a - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55d7d8411f4a - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55d7d8411f4a - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55d7d839c930 - std::rt::lang_start::h9992e788b71698e1 [INFO] [stderr] at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55d7d839c41c - main [INFO] [stderr] 28: 0x7fb09ca480b3 - __libc_start_main [INFO] [stderr] 29: 0x55d7d839a5de - _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" "1eb0e7ce58e4788bd4b87f88955cfc561817ffa9e8c4a32ed4072d3a35fa55f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eb0e7ce58e4788bd4b87f88955cfc561817ffa9e8c4a32ed4072d3a35fa55f7", kill_on_drop: false }` [INFO] [stdout] 1eb0e7ce58e4788bd4b87f88955cfc561817ffa9e8c4a32ed4072d3a35fa55f7