[INFO] fetching crate tab 0.5.7... [INFO] testing tab-0.5.7 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-4-tc2/source [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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tab 0.5.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25128ce3409275af3d4f0f48606fbb9dc11e9fde7afc79f1def305d81211ce5e [INFO] running `Command { std: "docker" "start" "-a" "25128ce3409275af3d4f0f48606fbb9dc11e9fde7afc79f1def305d81211ce5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25128ce3409275af3d4f0f48606fbb9dc11e9fde7afc79f1def305d81211ce5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25128ce3409275af3d4f0f48606fbb9dc11e9fde7afc79f1def305d81211ce5e", kill_on_drop: false }` [INFO] [stdout] 25128ce3409275af3d4f0f48606fbb9dc11e9fde7afc79f1def305d81211ce5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 078abbdecd53257f5df110d2214a8bfeb486fe0613a177cef94c34d005629d9c [INFO] running `Command { std: "docker" "start" "-a" "078abbdecd53257f5df110d2214a8bfeb486fe0613a177cef94c34d005629d9c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling arc-swap v0.4.8 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling dtoa v0.4.7 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nix v0.19.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling idna v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling simplelog v0.8.0 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling log-panics v2.0.0 [INFO] [stderr] Compiling ascii v0.9.3 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling console v0.13.0 [INFO] [stderr] Compiling crossterm v0.19.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling simplelog v0.9.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling zeroize v0.9.3 [INFO] [stderr] Compiling dialoguer v0.7.1 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling typed-builder v0.8.0 [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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-abcd82b1f8a72636/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (2147) panicked at build.rs:13:45: [INFO] [stderr] failed to create ./target/completions: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x58d93c6cd9f2 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x58d93c6cd9f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x58d93c6cd9f2 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x58d93c6cd9f2 - ::fmt::hffd20ad4e5eca8ab [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x58d93c6dcd4f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x58d93c6dcd4f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x58d93c6abc33 - std::io::default_write_fmt::ha7130bf70117e1da [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x58d93c6abc33 - std::io::Write::write_fmt::h22459ad26fe60c51 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x58d93c6b0f12 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x58d93c6b2a3c - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x58d93c6b2896 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x58d93c6b3015 - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x58d93c6b2eaa - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x58d93c6b1049 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x58d93c6a00dd - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x58d93c6e0360 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x58d93c6dfac6 - core::result::unwrap_failed::hf926a4254073b4aa [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5 [INFO] [stderr] 17: 0x58d93c68d89c - core::result::Result::expect::h5f3249cc7e748961 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1175:23 [INFO] [stderr] 18: 0x58d93c64f459 - build_script_build::main::h72e6c3178cecf635 [INFO] [stderr] 19: 0x58d93c650083 - core::ops::function::FnOnce::call_once::ha180b974f3e517dc [INFO] [stderr] 20: 0x58d93c64f6c6 - std::sys::backtrace::__rust_begin_short_backtrace::h0d2bb9cdf7839add [INFO] [stderr] 21: 0x58d93c64f6a9 - std::rt::lang_start::{{closure}}::h656ce046ba9b35e1 [INFO] [stderr] 22: 0x58d93c6acec0 - core::ops::function::impls:: for &F>::call_once::hcc75fa61d21ecbe5 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 23: 0x58d93c6acec0 - std::panicking::catch_unwind::do_call::h38c051a071ca3bc0 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x58d93c6acec0 - std::panicking::catch_unwind::hede2a2f6f4519f78 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x58d93c6acec0 - std::panic::catch_unwind::h94765a19f52c0a43 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x58d93c6acec0 - std::rt::lang_start_internal::{{closure}}::hb89c21d557706591 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x58d93c6acec0 - std::panicking::catch_unwind::do_call::h50685f05733aeeef [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x58d93c6acec0 - std::panicking::catch_unwind::hf9ba9716b02e6738 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x58d93c6acec0 - std::panic::catch_unwind::h29770e281302b24d [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x58d93c6acec0 - std::rt::lang_start_internal::hd5573b1f5f705a2a [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x58d93c64f691 - std::rt::lang_start::h6d73c78d7273c071 [INFO] [stderr] 32: 0x58d93c651395 - main [INFO] [stderr] 33: 0x793bc9bc81ca - [INFO] [stderr] 34: 0x793bc9bc828b - __libc_start_main [INFO] [stderr] 35: 0x58d93c64db95 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "078abbdecd53257f5df110d2214a8bfeb486fe0613a177cef94c34d005629d9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "078abbdecd53257f5df110d2214a8bfeb486fe0613a177cef94c34d005629d9c", kill_on_drop: false }` [INFO] [stdout] 078abbdecd53257f5df110d2214a8bfeb486fe0613a177cef94c34d005629d9c