[INFO] fetching crate tab 0.5.7... [INFO] testing tab-0.5.7 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e2b32746ef32219dc926a770c25601ea6c694f7277ef6d471ab83ab0bafd731 [INFO] running `Command { std: "docker" "start" "-a" "0e2b32746ef32219dc926a770c25601ea6c694f7277ef6d471ab83ab0bafd731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e2b32746ef32219dc926a770c25601ea6c694f7277ef6d471ab83ab0bafd731", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e2b32746ef32219dc926a770c25601ea6c694f7277ef6d471ab83ab0bafd731", kill_on_drop: false }` [INFO] [stdout] 0e2b32746ef32219dc926a770c25601ea6c694f7277ef6d471ab83ab0bafd731 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 261d3426ce2e2c4b5cafa47596c81d5f955cbbf8e8a7057f0886c64cbade880f [INFO] running `Command { std: "docker" "start" "-a" "261d3426ce2e2c4b5cafa47596c81d5f955cbbf8e8a7057f0886c64cbade880f", 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 autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling once_cell v1.5.2 [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 typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling getrandom v0.1.16 [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 futures-io v0.3.12 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling matches v0.1.8 [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 generic-array v0.14.4 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cc v1.0.66 [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 time v0.1.43 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [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 rand v0.7.3 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling dtoa v0.4.7 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling nix v0.19.1 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling futures v0.1.30 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling idna v0.2.1 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling simplelog v0.8.0 [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 crossterm v0.19.0 [INFO] [stderr] Compiling simplelog v0.9.0 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling zeroize v0.9.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [INFO] [stderr] Compiling console v0.13.0 [INFO] [stderr] Compiling dialoguer v0.7.1 [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' (2232) 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: 0x6183ad47aad2 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x6183ad47aad2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x6183ad47aad2 - std::sys::backtrace::_print_fmt::hec54e31f36456895 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x6183ad47aad2 - ::fmt::hb1988e8b50fa5f19 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x6183ad489eef - core::fmt::rt::Argument::fmt::h3118a66e1a57a586 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x6183ad489eef - core::fmt::write::hcd056e06a609f600 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x6183ad458991 - std::io::default_write_fmt::h45f0f9de0268fdcb [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x6183ad458991 - std::io::Write::write_fmt::hc685c74e0b8ce55d [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x6183ad45db62 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x6183ad45f68c - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x6183ad45f4e6 - std::panicking::default_hook::h09da2eaf8f1deadd [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x6183ad45fd15 - std::panicking::panic_with_hook::h13c40d280d130fd3 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x6183ad45fbaa - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x6183ad45dca9 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x6183ad44cc5d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x6183ad48d510 - core::panicking::panic_fmt::h326b75cf8ee01b13 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14 [INFO] [stderr] 16: 0x6183ad48cc66 - core::result::unwrap_failed::h38baee32fdec5ac8 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x6183ad4448fc - core::result::Result::expect::h93eaed6a9209e0c9 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1178:23 [INFO] [stderr] 18: 0x6183ad3fc8c9 - build_script_build::main::hef0d703fbbbd5370 [INFO] [stderr] 19: 0x6183ad3fd4f3 - core::ops::function::FnOnce::call_once::h4b63e4cf727beab1 [INFO] [stderr] 20: 0x6183ad3fcb36 - std::sys::backtrace::__rust_begin_short_backtrace::h5adb3646e120747d [INFO] [stderr] 21: 0x6183ad3fcb19 - std::rt::lang_start::{{closure}}::h69026ccefb8f0d7e [INFO] [stderr] 22: 0x6183ad459af0 - core::ops::function::impls:: for &F>::call_once::h387c5546b57ddfde [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 23: 0x6183ad459af0 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stderr] 24: 0x6183ad459af0 - std::panicking::catch_unwind::hc213e1339e7313f3 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stderr] 25: 0x6183ad459af0 - std::panic::catch_unwind::h7e2e13142bd98e67 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x6183ad459af0 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x6183ad459af0 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stderr] 28: 0x6183ad459af0 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stderr] 29: 0x6183ad459af0 - std::panic::catch_unwind::hf2cef20feb3addd6 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x6183ad459af0 - std::rt::lang_start_internal::h1ca864a6b9355c57 [INFO] [stderr] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x6183ad3fcb01 - std::rt::lang_start::hbb55e6f4762ccb73 [INFO] [stderr] 32: 0x6183ad3fe815 - main [INFO] [stderr] 33: 0x776e534041ca - [INFO] [stderr] 34: 0x776e5340428b - __libc_start_main [INFO] [stderr] 35: 0x6183ad3fb005 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "261d3426ce2e2c4b5cafa47596c81d5f955cbbf8e8a7057f0886c64cbade880f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "261d3426ce2e2c4b5cafa47596c81d5f955cbbf8e8a7057f0886c64cbade880f", kill_on_drop: false }` [INFO] [stdout] 261d3426ce2e2c4b5cafa47596c81d5f955cbbf8e8a7057f0886c64cbade880f