[INFO] fetching crate tab 0.5.7...
[INFO] checking tab-0.5.7 against 1.55.0 for beta-1.56-3
[INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-84/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v0.9.3
[INFO] [stderr]   Downloaded dialoguer v0.7.1
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded toml_edit v0.2.0
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded sha-1 v0.9.3
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded insta v0.16.1
[INFO] [stderr]   Downloaded idna v0.2.1
[INFO] [stderr]   Downloaded tab-pty v0.5.3
[INFO] [stderr]   Downloaded tab-daemon v0.5.4
[INFO] [stderr]   Downloaded tab-command v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc6952354af7d24a40ae4e4f072ab983a4e187fbb4e6b2bb02928604f962f071
[INFO] running `Command { std: "docker" "start" "-a" "cc6952354af7d24a40ae4e4f072ab983a4e187fbb4e6b2bb02928604f962f071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc6952354af7d24a40ae4e4f072ab983a4e187fbb4e6b2bb02928604f962f071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6952354af7d24a40ae4e4f072ab983a4e187fbb4e6b2bb02928604f962f071", kill_on_drop: false }`
[INFO] [stdout] cc6952354af7d24a40ae4e4f072ab983a4e187fbb4e6b2bb02928604f962f071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff8a64de9f33930a55622c29ea7872f587cdef117a154efd8867396945ac140
[INFO] running `Command { std: "docker" "start" "-a" "eff8a64de9f33930a55622c29ea7872f587cdef117a154efd8867396945ac140", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling sysinfo v0.15.9
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking semver v0.11.0
[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 time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking getrandom v0.2.2
[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 atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.7.3
[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 tempfile v3.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]     Checking dialoguer v0.7.1
[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 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-e16198bb6171e89b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'failed to create ./target/completions: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:13:45
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556e2e2bac30 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x556e2e2bac30 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556e2e2bac30 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x556e2e2bac30 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he1640d5f0d93f618
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x556e2e2d4dfc - core::fmt::write::h88012e1f01caeebf
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x556e2e2b8dc5 - std::io::Write::write_fmt::h360fa85b30182555
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x556e2e2bc8db - std::sys_common::backtrace::_print::ha1f00492f406a015
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x556e2e2bc8db - std::sys_common::backtrace::print::hd54561b13feb6af3
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x556e2e2bc8db - std::panicking::default_hook::{{closure}}::h84fe124cd0864662
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x556e2e2bc3b1 - std::panicking::default_hook::h5a8e74a76ce290a7
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x556e2e2bcfa4 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x556e2e2bca87 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x556e2e2bb12c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x556e2e2bc9e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x556e2e243f31 - core::panicking::panic_fmt::h12a3a3c256485fca
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x556e2e243fc3 - core::result::unwrap_failed::h2d8d0952e3250de9
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x556e2e279a89 - core::result::Result<T,E>::expect::hbfa231eea1a8ae48
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/result.rs:1241:23
[INFO] [stderr]     17:     0x556e2e2448b7 - build_script_build::main::h5f8d2eb6ad797959
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:13:5
[INFO] [stderr]     18:     0x556e2e246a2b - core::ops::function::FnOnce::call_once::h73a82e3e52f250cd
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x556e2e24688e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9c16c3d935344840
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x556e2e2467a1 - std::rt::lang_start::{{closure}}::h399509c7129a3350
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x556e2e2bd4aa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha9408abe89f69dc4
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x556e2e2bd4aa - std::panicking::try::do_call::h5b0cc9e9102acb65
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x556e2e2bd4aa - std::panicking::try::hddc7f8229138b3ba
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x556e2e2bd4aa - std::panic::catch_unwind::hfa401ff8bab2986e
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x556e2e2bd4aa - std::rt::lang_start_internal::{{closure}}::h8163422320d11405
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x556e2e2bd4aa - std::panicking::try::do_call::hc742cc7bb4f0fb20
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x556e2e2bd4aa - std::panicking::try::ha37d8d2dd1acf7d3
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x556e2e2bd4aa - std::panic::catch_unwind::h8a5381d5ecf437bc
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x556e2e2bd4aa - std::rt::lang_start_internal::h7e2cee8c90d4a4d3
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x556e2e246770 - std::rt::lang_start::hefcac99c3fee2c6b
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x556e2e24600c - main
[INFO] [stderr]     32:     0x7efd687e90b3 - __libc_start_main
[INFO] [stderr]     33:     0x556e2e24468e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eff8a64de9f33930a55622c29ea7872f587cdef117a154efd8867396945ac140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff8a64de9f33930a55622c29ea7872f587cdef117a154efd8867396945ac140", kill_on_drop: false }`
[INFO] [stdout] eff8a64de9f33930a55622c29ea7872f587cdef117a154efd8867396945ac140
