[INFO] fetching crate tab 0.5.7... [INFO] testing tab-0.5.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate tab 0.5.7 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tab 0.5.7 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5604ad3ddc7aa4118d81cfa76f4918bbdcc820d2903e71babab1f30f2e1b3236 [INFO] running `Command { std: "docker" "start" "-a" "5604ad3ddc7aa4118d81cfa76f4918bbdcc820d2903e71babab1f30f2e1b3236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5604ad3ddc7aa4118d81cfa76f4918bbdcc820d2903e71babab1f30f2e1b3236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5604ad3ddc7aa4118d81cfa76f4918bbdcc820d2903e71babab1f30f2e1b3236", kill_on_drop: false }` [INFO] [stdout] 5604ad3ddc7aa4118d81cfa76f4918bbdcc820d2903e71babab1f30f2e1b3236 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 540059ba4fc62b8b55a65ea8acdbce40c769ce708ec9ac4b5cc2188e8c14bf4a [INFO] running `Command { std: "docker" "start" "-a" "540059ba4fc62b8b55a65ea8acdbce40c769ce708ec9ac4b5cc2188e8c14bf4a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.60 [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 futures-core v0.3.12 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling form_urlencoded v1.0.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling owned-alloc v0.2.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling lockfree v0.5.1 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling arc-swap v0.4.8 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling dtoa v0.4.7 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling vec_map v0.8.2 [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 idna v0.2.1 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling nix v0.19.1 [INFO] [stderr] Compiling url v2.2.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling sysinfo v0.15.9 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling futures v0.1.30 [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 signal-hook v0.1.17 [INFO] [stderr] Compiling semver-parser v0.10.2 [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 tempfile v3.2.0 [INFO] [stderr] Compiling tungstenite v0.11.1 [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 base64 v0.13.0 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling zeroize v0.9.3 [INFO] [stderr] Compiling console v0.13.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling dialoguer v0.7.1 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling tokio-macros v0.2.6 [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] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-util v0.3.12 [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-2e34514c61cb1b55/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (2305) 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: 0x5e988a2dc0aa - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5e988a2dc0aa - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5e988a2dc0aa - std[e72de78501789eb0]::sys::backtrace::_print_fmt [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9 [INFO] [stderr] 3: 0x5e988a2dc0aa - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26 [INFO] [stderr] 4: 0x5e988a2ecaea - ::fmt [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76 [INFO] [stderr] 5: 0x5e988a2ecaea - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stderr] 6: 0x5e988a2df8a2 - std[e72de78501789eb0]::io::default_write_fmt:: [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5e988a2df8a2 - ::write_fmt [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13 [INFO] [stderr] 8: 0x5e988a2c72bf - ::print [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9 [INFO] [stderr] 9: 0x5e988a2c72bf - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27 [INFO] [stderr] 10: 0x5e988a2d8661 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9 [INFO] [stderr] 11: 0x5e988a2d881b - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13 [INFO] [stderr] 12: 0x5e988a2c7378 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0} [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13 [INFO] [stderr] 13: 0x5e988a2befe9 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18 [INFO] [stderr] 14: 0x5e988a2c7b5d - __rustc[78a4cf188af856fc]::rust_begin_unwind [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5 [INFO] [stderr] 15: 0x5e988a2ed23c - core[6aaeda2c7ad07a48]::panicking::panic_fmt [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x5e988a2ecfb2 - core[6aaeda2c7ad07a48]::result::unwrap_failed [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1867:5 [INFO] [stderr] 17: 0x5e988a2941cc - >::expect [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1185:23 [INFO] [stderr] 18: 0x5e988a267089 - build_script_build[d46ec40fab169996]::main [INFO] [stderr] 19: 0x5e988a267f83 - >::call_once [INFO] [stderr] 20: 0x5e988a2658d6 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] 21: 0x5e988a2658f9 - std[e72de78501789eb0]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] 22: 0x5e988a2d7de4 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 23: 0x5e988a2d7de4 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stderr] 24: 0x5e988a2d7de4 - std[e72de78501789eb0]::panicking::catch_unwind:: + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe> [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stderr] 25: 0x5e988a2d7de4 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stderr] 26: 0x5e988a2d7de4 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0} [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24 [INFO] [stderr] 27: 0x5e988a2d7de4 - std[e72de78501789eb0]::panicking::catch_unwind::do_call:: [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stderr] 28: 0x5e988a2d7de4 - std[e72de78501789eb0]::panicking::catch_unwind:: [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stderr] 29: 0x5e988a2d7de4 - std[e72de78501789eb0]::panic::catch_unwind:: [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stderr] 30: 0x5e988a2d7de4 - std[e72de78501789eb0]::rt::lang_start_internal [INFO] [stderr] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5 [INFO] [stderr] 31: 0x5e988a2658c1 - std[e72de78501789eb0]::rt::lang_start::<()> [INFO] [stderr] 32: 0x5e988a268125 - main [INFO] [stderr] 33: 0x7c92d52cd1ca - [INFO] [stderr] 34: 0x7c92d52cd28b - __libc_start_main [INFO] [stderr] 35: 0x5e988a264d75 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "540059ba4fc62b8b55a65ea8acdbce40c769ce708ec9ac4b5cc2188e8c14bf4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "540059ba4fc62b8b55a65ea8acdbce40c769ce708ec9ac4b5cc2188e8c14bf4a", kill_on_drop: false }` [INFO] [stdout] 540059ba4fc62b8b55a65ea8acdbce40c769ce708ec9ac4b5cc2188e8c14bf4a