[INFO] fetching crate tab 0.5.7... [INFO] testing tab-0.5.7 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-11/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] efd6a24cfd61e7ffe0f32e1cc0ff449ec9bfaaf9b5c5ce803edd46a6edb18adf [INFO] running `Command { std: "docker" "start" "-a" "efd6a24cfd61e7ffe0f32e1cc0ff449ec9bfaaf9b5c5ce803edd46a6edb18adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efd6a24cfd61e7ffe0f32e1cc0ff449ec9bfaaf9b5c5ce803edd46a6edb18adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efd6a24cfd61e7ffe0f32e1cc0ff449ec9bfaaf9b5c5ce803edd46a6edb18adf", kill_on_drop: false }` [INFO] [stdout] efd6a24cfd61e7ffe0f32e1cc0ff449ec9bfaaf9b5c5ce803edd46a6edb18adf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 8cad98f7538ffcaa664d40d82eaf114ec3e6d54755a1cc52fee4ab83b164a0a4 [INFO] running `Command { std: "docker" "start" "-a" "8cad98f7538ffcaa664d40d82eaf114ec3e6d54755a1cc52fee4ab83b164a0a4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling ascii v0.9.3 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling 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] Compiling http v0.2.3 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling log-panics v2.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling regex v1.4.3 [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 time v0.1.43 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nix v0.19.1 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling terminal_size v0.1.16 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling idna v0.2.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling crossterm v0.19.0 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling console v0.13.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling simplelog v0.8.0 [INFO] [stderr] Compiling simplelog v0.9.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling dialoguer v0.7.1 [INFO] [stderr] Compiling toml_edit v0.2.0 [INFO] [stderr] Compiling tab v0.5.7 (/opt/rustwide/workdir) [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling typed-builder v0.8.0 [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-9164aa487854625d/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: 0x55a9a86cf5d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55a9a86cf5d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55a9a86cf5d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55a9a86cf5d0 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55a9a86e961c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55a9a86cd735 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55a9a86d126b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55a9a86d126b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55a9a86d126b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55a9a86d0d41 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55a9a86d1911 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55a9a86d1417 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55a9a86cfaac - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55a9a86d1379 - rust_begin_unwind [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55a9a8657f41 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55a9a8657fd3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55a9a86673e9 - core::result::Result::expect::h6020e019b036e010 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55a9a8658dc7 - build_script_build::main::he22c3a635e93f883 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55a9a865cc5b - core::ops::function::FnOnce::call_once::h031f73a9ac1c7cc8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55a9a865c3ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h1055664dfa19ff94 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55a9a865a8d1 - std::rt::lang_start::{{closure}}::hd505bf0de77c9297 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55a9a86d1e09 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55a9a86d1e09 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55a9a86d1e09 - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55a9a86d1e09 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55a9a86d1e09 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55a9a865a8b0 - std::rt::lang_start::h3eafe442305b490f [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55a9a865a51c - main [INFO] [stderr] 28: 0x7f707bd830b3 - __libc_start_main [INFO] [stderr] 29: 0x55a9a865869e - _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" "8cad98f7538ffcaa664d40d82eaf114ec3e6d54755a1cc52fee4ab83b164a0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cad98f7538ffcaa664d40d82eaf114ec3e6d54755a1cc52fee4ab83b164a0a4", kill_on_drop: false }` [INFO] [stdout] 8cad98f7538ffcaa664d40d82eaf114ec3e6d54755a1cc52fee4ab83b164a0a4