[INFO] cloning repository https://github.com/durch/ringer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/durch/ringer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurch%2Fringer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurch%2Fringer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] caba15cfa1b23bc9e1ad69de6c3aad09a4193851 [INFO] testing durch/ringer against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurch%2Fringer" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/durch/ringer on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/durch/ringer [INFO] finished tweaking git repo https://github.com/durch/ringer [INFO] tweaked toml for git repo https://github.com/durch/ringer written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/durch/ringer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da8477250761fad993a77ceefffb33d67f90693b27175064a7602cfbc24b6e2e [INFO] running `Command { std: "docker" "start" "-a" "da8477250761fad993a77ceefffb33d67f90693b27175064a7602cfbc24b6e2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da8477250761fad993a77ceefffb33d67f90693b27175064a7602cfbc24b6e2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da8477250761fad993a77ceefffb33d67f90693b27175064a7602cfbc24b6e2e", kill_on_drop: false }` [INFO] [stdout] da8477250761fad993a77ceefffb33d67f90693b27175064a7602cfbc24b6e2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d29e08240925e3645971d3f1a6e94c8fdacf914b30b76b423096f526cb46175 [INFO] running `Command { std: "docker" "start" "-a" "2d29e08240925e3645971d3f1a6e94c8fdacf914b30b76b423096f526cb46175", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.46 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling matches v0.1.4 [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling unicode-normalization v0.1.4 [INFO] [stderr] Compiling pq-sys v0.4.3 [INFO] [stderr] Compiling httparse v1.2.2 [INFO] [stderr] Compiling serde v1.0.7 [INFO] [stderr] Compiling buf-read-ext v0.2.1 [INFO] [stderr] Compiling rustc-demangle v0.1.4 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling pest v0.3.3 [INFO] [stderr] Compiling quick-error v1.2.0 [INFO] [stderr] Compiling openssl-probe v0.1.1 [INFO] [stderr] Compiling futures v0.1.13 [INFO] [stderr] Compiling lazycell v0.5.1 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread-id v3.1.0 [INFO] [stderr] Compiling num_cpus v1.4.0 [INFO] [stderr] Compiling unreachable v0.1.1 [INFO] [stderr] Compiling base64 v0.5.2 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling hyper v0.10.10 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling unsafe-any v0.4.1 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Compiling num v0.1.37 [INFO] [stderr] Compiling unicode-bidi v0.3.1 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling mime v0.2.4 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling chrono v0.3.1 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling libz-sys v1.0.13 [INFO] [stderr] Compiling openssl-sys v0.9.12 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling curl-sys v0.3.11 [INFO] [stderr] Compiling chrono-humanize v0.0.9 [INFO] [stderr] Compiling futures-cpupool v0.1.5 [INFO] [stderr] Compiling handlebars v0.25.3 [INFO] [stderr] Compiling dotenv v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-04ec47bded0f11ed/build-script-gen_mime_types` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b1412c80d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55b1412c80d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b1412c80d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b1412c80d0 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b1412e1f4c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55b1412c6985 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55b1412c9cfb - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b1412c9cfb - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b1412c9cfb - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b1412c97d1 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b1412ca3a1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55b1412c9ea7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55b1412c85ac - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55b1412c9e09 - rust_begin_unwind [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55b141270f21 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55b141270fb3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55b141292f0e - core::result::Result::unwrap::ha5e59ce9e03f17b4 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55b1412a982b - build_script_gen_mime_types::main::hebf44c5cf3c33dbc [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22:38 [INFO] [stderr] 18: 0x55b14128530b - core::ops::function::FnOnce::call_once::h9e4df8ea670ff354 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55b14129fede - std::sys_common::backtrace::__rust_begin_short_backtrace::h632ad1377b9643f1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55b141284fc1 - std::rt::lang_start::{{closure}}::hd158063a6186e0e4 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55b1412ca899 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55b1412ca899 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55b1412ca899 - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55b1412ca899 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55b1412ca899 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55b141284fa0 - std::rt::lang_start::hca4b75d60b763fcb [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55b1412aaf4c - main [INFO] [stderr] 28: 0x7f6b53bd80b3 - __libc_start_main [INFO] [stderr] 29: 0x55b14127167e - _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" "2d29e08240925e3645971d3f1a6e94c8fdacf914b30b76b423096f526cb46175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d29e08240925e3645971d3f1a6e94c8fdacf914b30b76b423096f526cb46175", kill_on_drop: false }` [INFO] [stdout] 2d29e08240925e3645971d3f1a6e94c8fdacf914b30b76b423096f526cb46175