[INFO] cloning repository https://github.com/dwuggh/dw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwuggh/dw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Fdw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Fdw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb5dcd0125f79906ae1dc95ad0ae59f26b383b19
[INFO] checking dwuggh/dw/eb5dcd0125f79906ae1dc95ad0ae59f26b383b19 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2Fdw" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwuggh/dw on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwuggh/dw
[INFO] finished tweaking git repo https://github.com/dwuggh/dw
[INFO] tweaked toml for git repo https://github.com/dwuggh/dw written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dwuggh/dw 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 940d61704c82582a43a2488d2fafa62356cbf411277a727148de182dd95d673e
[INFO] running `Command { std: "docker" "start" "-a" "940d61704c82582a43a2488d2fafa62356cbf411277a727148de182dd95d673e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "940d61704c82582a43a2488d2fafa62356cbf411277a727148de182dd95d673e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940d61704c82582a43a2488d2fafa62356cbf411277a727148de182dd95d673e", kill_on_drop: false }`
[INFO] [stdout] 940d61704c82582a43a2488d2fafa62356cbf411277a727148de182dd95d673e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b23abd66c97f187133561559694c7f1d3450d716df9d810c22051e3d2fb95a52
[INFO] running `Command { std: "docker" "start" "-a" "b23abd66c97f187133561559694c7f1d3450d716df9d810c22051e3d2fb95a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.134
[INFO] [stderr]    Compiling serde v1.0.134
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.76
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling gimli v0.26.1
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[INFO] [stderr]     Checking unicode-bidi v0.3.7
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking rand_core v0.6.3
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking generic-array v0.12.4
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[INFO] [stderr]    Compiling crc32fast v1.3.1
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[INFO] [stderr]     Checking termcolor v1.1.2
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[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling aho-corasick v0.7.18
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[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
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[INFO] [stderr]    Compiling remove_dir_all v0.5.3
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.1.10
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[INFO] [stderr]     Checking url v2.2.2
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[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling unic-segment v0.7.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking socket2 v0.4.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]     Checking ripemd128 v0.1.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]    Compiling clap v3.0.10
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking patricia_tree v0.3.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling clap_complete v3.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling dw v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr] error: failed to run custom build command for `dw v0.2.1 (/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/dw-b86abe69352c8877/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:10:55:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5637b80b1cfa - std::backtrace_rs::backtrace::libunwind::trace::h97abfd8a85887826
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5637b80b1cfa - std::backtrace_rs::backtrace::trace_unsynchronized::h3fe33c3e2ffb6416
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5637b80b1cfa - std::sys::backtrace::_print_fmt::hdf29e1ca2ba4cbbc
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5637b80b1cfa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h731c3e1b756ff019
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5637b80ceaab - core::fmt::rt::Argument::fmt::hdfecaf84742c5a76
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5637b80ceaab - core::fmt::write::h9c97613a183100ea
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]      6:     0x5637b80af313 - std::io::Write::write_fmt::h7288d7c7dce2722e
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x5637b80b1b42 - std::sys::backtrace::BacktraceLock::print::h2bc6f048c13121f8
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5637b80b2e07 - std::panicking::default_hook::{{closure}}::hde92e91975a101c0
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5637b80b2c36 - std::panicking::default_hook::hd8d6e2273bfc5edc
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5637b80b3407 - std::panicking::rust_panic_with_hook::hb332f821833efd3b
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5637b80b32a7 - std::panicking::begin_panic_handler::{{closure}}::h00065c7fd19dfc55
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5637b80b21d9 - std::sys::backtrace::__rust_end_short_backtrace::h10e475bd14bb8cb7
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5637b80b2f34 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5637b80cdc73 - core::panicking::panic_fmt::h59e161f9c51d6f0e
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x5637b80ce086 - core::result::unwrap_failed::h54376d3d4b8f04d2
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/result.rs:1689:5
[INFO] [stderr]     16:     0x5637b8034305 - build_script_build::main::ha8740461ef393bad
[INFO] [stderr]     17:     0x5637b8032c43 - core::ops::function::FnOnce::call_once::h61da1d81ebac99f0
[INFO] [stderr]     18:     0x5637b8031cc6 - std::sys::backtrace::__rust_begin_short_backtrace::h3ac20c474576054f
[INFO] [stderr]     19:     0x5637b8031bb9 - std::rt::lang_start::{{closure}}::hc3949c0397407762
[INFO] [stderr]     20:     0x5637b80ad550 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h00708edcd5cb0bf9
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5637b80ad550 - std::panicking::try::do_call::h3211acb5ef596e26
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40
[INFO] [stderr]     22:     0x5637b80ad550 - std::panicking::try::hfc77046d1a78b97f
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19
[INFO] [stderr]     23:     0x5637b80ad550 - std::panic::catch_unwind::h8cc6f9c887e41bb5
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14
[INFO] [stderr]     24:     0x5637b80ad550 - std::rt::lang_start_internal::{{closure}}::h1ae7a528cb090b94
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:48
[INFO] [stderr]     25:     0x5637b80ad550 - std::panicking::try::do_call::h7b341eaacca88c96
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40
[INFO] [stderr]     26:     0x5637b80ad550 - std::panicking::try::h2190145387d00b24
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19
[INFO] [stderr]     27:     0x5637b80ad550 - std::panic::catch_unwind::h39d0834a21ce2b28
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14
[INFO] [stderr]     28:     0x5637b80ad550 - std::rt::lang_start_internal::hf1cb939424e8449c
[INFO] [stderr]                                  at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:20
[INFO] [stderr]     29:     0x5637b8031b97 - std::rt::lang_start::h8d1c96d086c691ee
[INFO] [stderr]     30:     0x5637b8035385 - main
[INFO] [stderr]     31:     0x76427f7b5d90 - <unknown>
[INFO] [stderr]     32:     0x76427f7b5e40 - __libc_start_main
[INFO] [stderr]     33:     0x5637b8030815 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b23abd66c97f187133561559694c7f1d3450d716df9d810c22051e3d2fb95a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23abd66c97f187133561559694c7f1d3450d716df9d810c22051e3d2fb95a52", kill_on_drop: false }`
[INFO] [stdout] b23abd66c97f187133561559694c7f1d3450d716df9d810c22051e3d2fb95a52