[INFO] fetching crate tab 0.5.7... [INFO] checking tab-0.5.7 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-10/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 969ee60ae09c7e23e020c8e36846f998d183227eda6c935c8bd30830ee9dbb3a [INFO] running `Command { std: "docker" "start" "-a" "969ee60ae09c7e23e020c8e36846f998d183227eda6c935c8bd30830ee9dbb3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "969ee60ae09c7e23e020c8e36846f998d183227eda6c935c8bd30830ee9dbb3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "969ee60ae09c7e23e020c8e36846f998d183227eda6c935c8bd30830ee9dbb3a", kill_on_drop: false }` [INFO] [stdout] 969ee60ae09c7e23e020c8e36846f998d183227eda6c935c8bd30830ee9dbb3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cae2dbd2b63255c27d05f4a4129d30fb507a2da13efcbc26dec71176634cec4 [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" "0cae2dbd2b63255c27d05f4a4129d30fb507a2da13efcbc26dec71176634cec4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking owned-alloc v0.2.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking tinyvec v1.1.1 [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] Compiling sysinfo v0.15.9 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking lockfree v0.5.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking log-panics v2.0.0 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking sha-1 v0.9.3 [INFO] [stderr] Checking semver-parser v0.10.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Checking semver v0.11.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking simplelog v0.9.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking dialoguer v0.7.1 [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-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: 0x55949f9c68b0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55949f9c68b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55949f9c68b0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55949f9c68b0 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55949f9e11ef - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55949f9c4ad5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55949f9c855b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55949f9c855b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55949f9c855b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55949f9c803d - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55949f9c8b0d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55949f9c8707 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55949f9c6d6c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55949f9c8669 - rust_begin_unwind [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55949f94eee1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55949f94ef73 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55949f95df50 - core::result::Result::expect::h58133fa5b5045a60 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55949f94fcab - build_script_build::main::he22c3a635e93f883 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x55949f953b4b - core::ops::function::FnOnce::call_once::h031f73a9ac1c7cc8 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55949f9532ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h9d0523f981f61433 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55949f9517d1 - std::rt::lang_start::{{closure}}::ha76f34afe83fb0ab [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55949f9c8f0a - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55949f9c8f0a - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55949f9c8f0a - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55949f9c8f0a - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55949f9c8f0a - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55949f9517b0 - std::rt::lang_start::h52b4eb9901b33b40 [INFO] [stderr] at /rustc/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55949f95141c - main [INFO] [stderr] 28: 0x7f39e3bec0b3 - __libc_start_main [INFO] [stderr] 29: 0x55949f94f5de - _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" "0cae2dbd2b63255c27d05f4a4129d30fb507a2da13efcbc26dec71176634cec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cae2dbd2b63255c27d05f4a4129d30fb507a2da13efcbc26dec71176634cec4", kill_on_drop: false }` [INFO] [stdout] 0cae2dbd2b63255c27d05f4a4129d30fb507a2da13efcbc26dec71176634cec4