[INFO] fetching crate tab 0.5.7... [INFO] checking tab-0.5.7 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-7/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bcee9aea299059ea9606dc7ebcb6cba4a79dfc8aeeb521914d2b2f9dc51418d [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" "4bcee9aea299059ea9606dc7ebcb6cba4a79dfc8aeeb521914d2b2f9dc51418d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bcee9aea299059ea9606dc7ebcb6cba4a79dfc8aeeb521914d2b2f9dc51418d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bcee9aea299059ea9606dc7ebcb6cba4a79dfc8aeeb521914d2b2f9dc51418d", kill_on_drop: false }` [INFO] [stdout] 4bcee9aea299059ea9606dc7ebcb6cba4a79dfc8aeeb521914d2b2f9dc51418d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b86d3247a47db8af987e87a7aa07f0d2532a2982a7549826dd0a4a54eb59db63 [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" "b86d3247a47db8af987e87a7aa07f0d2532a2982a7549826dd0a4a54eb59db63", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [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 rayon v1.5.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [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 textwrap v0.11.0 [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 regex-automata v0.1.9 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking vte v0.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking ryu v1.0.5 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking strip-ansi-escapes v0.1.0 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking semver-parser v0.10.2 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Checking semver v0.11.0 [INFO] [stderr] Checking sha-1 v0.9.3 [INFO] [stderr] Checking regex v1.4.3 [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 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 parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dirs v3.0.1 [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 mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking simplelog v0.9.0 [INFO] [stderr] Checking toml_edit v0.2.0 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking dialoguer v0.7.1 [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 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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/tab-e26df412e61bf573/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: 0x559bd33edbb0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x559bd33edbb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x559bd33edbb0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x559bd33edbb0 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x559bd3407c2c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x559bd33ebe65 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x559bd33ef84b - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x559bd33ef84b - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x559bd33ef84b - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x559bd33ef321 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x559bd33eff14 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x559bd33ef9f7 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x559bd33ee08c - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x559bd33ef959 - rust_begin_unwind [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x559bd3375f41 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x559bd3375fd3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x559bd3389a59 - core::result::Result::expect::ha6be064efe3d5881 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x559bd3376dc7 - build_script_build::main::ha5f152633c5fc4ab [INFO] [stderr] at /opt/rustwide/workdir/build.rs:13:5 [INFO] [stderr] 18: 0x559bd337ac9b - core::ops::function::FnOnce::call_once::h9c30f82f25725577 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x559bd337a3ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h1b0979f16ea135e8 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x559bd33788d1 - std::rt::lang_start::{{closure}}::h70417f3b7d5aa6d4 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x559bd33f0419 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x559bd33f0419 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x559bd33f0419 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x559bd33f0419 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x559bd33f0419 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x559bd33788b0 - std::rt::lang_start::hd53c5f2cc98e6ff1 [INFO] [stderr] at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x559bd337851c - main [INFO] [stderr] 28: 0x7fa24584f0b3 - __libc_start_main [INFO] [stderr] 29: 0x559bd337669e - _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" "b86d3247a47db8af987e87a7aa07f0d2532a2982a7549826dd0a4a54eb59db63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86d3247a47db8af987e87a7aa07f0d2532a2982a7549826dd0a4a54eb59db63", kill_on_drop: false }` [INFO] [stdout] b86d3247a47db8af987e87a7aa07f0d2532a2982a7549826dd0a4a54eb59db63