[INFO] updating cached repository https://github.com/marcusball/blog_thing [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1da73003499883b19a94861d59ad079945366029 [INFO] checking marcusball/blog_thing against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusball%2Fblog_thing" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marcusball/blog_thing on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/marcusball/blog_thing [INFO] finished tweaking git repo https://github.com/marcusball/blog_thing [INFO] tweaked toml for git repo https://github.com/marcusball/blog_thing written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/marcusball/blog_thing already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ef0bb2d3813485762ac950fd5b9a50d8825a65df97ab39c4d9de9db3e7a774f6 [INFO] running `"docker" "start" "-a" "ef0bb2d3813485762ac950fd5b9a50d8825a65df97ab39c4d9de9db3e7a774f6"` [INFO] [stderr] Checking serde v0.8.19 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling syn v0.10.3 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Compiling phf_shared v0.7.20 [INFO] [stderr] Checking cookie v0.2.5 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking hyper v0.9.13 [INFO] [stderr] Checking phf v0.7.20 [INFO] [stderr] Compiling phf_generator v0.7.20 [INFO] [stderr] Checking num-rational v0.1.35 [INFO] [stderr] Checking backtrace v0.3.0 [INFO] [stderr] Compiling serde_codegen_internals v0.11.1 [INFO] [stderr] Compiling phf_codegen v0.7.20 [INFO] [stderr] Checking num v0.1.36 [INFO] [stderr] Checking error-chain v0.7.1 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling serde_codegen v0.8.19 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking iron v0.4.0 [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-42e6aff87b2652ed/build-script-gen_mime_types` (exit code: 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" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5577bd2b1cc4 - backtrace::backtrace::libunwind::trace::he281d1430a66d201 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5577bd2b1cc4 - backtrace::backtrace::trace_unsynchronized::h102bb4b69987d605 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5577bd2b1cc4 - std::sys_common::backtrace::_print_fmt::h7c2f159f268a4f8c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5577bd2b1cc4 - ::fmt::h54378f2ca7d450f4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x5577bd2cb22c - core::fmt::write::ha0a3ecae75b0dbc8 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x5577bd2b04d7 - std::io::Write::write_fmt::ha1cf046f2b915c3e [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x5577bd2b4045 - std::sys_common::backtrace::_print::ha9aa7e33ae167e9f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x5577bd2b4045 - std::sys_common::backtrace::print::h0f26745f782cf831 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x5577bd2b4045 - std::panicking::default_hook::{{closure}}::h9ac03e59053b82f0 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x5577bd2b3d36 - std::panicking::default_hook::h2bc2c167050e786d [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x5577bd2b4695 - std::panicking::rust_panic_with_hook::h8403eca5575e8757 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x5577bd2b4232 - std::panicking::continue_panic_fmt::h59d06952784da242 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x5577bd2b4126 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 13: 0x5577bd2c8bfa - core::panicking::panic_fmt::ha0012b4b46a86c25 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x5577bd2c8cf7 - core::result::unwrap_failed::h68b5899a90c39e73 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x5577bd2798e0 - core::result::Result::unwrap::h1865701240d1e518 [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x5577bd27b5f5 - build_script_gen_mime_types::main::h72c4f27947231ff2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 17: 0x5577bd28ca50 - std::rt::lang_start::{{closure}}::h4cd1b6c0f78fcea2 [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x5577bd2b4113 - std::rt::lang_start_internal::{{closure}}::hb4c6339b185f201f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x5577bd2b4113 - std::panicking::try::do_call::h467065f75f458473 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x5577bd2b602a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x5577bd2b4b8d - std::panicking::try::h67ed39ee2076b60d [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x5577bd2b4b8d - std::panic::catch_unwind::h1dd211c39ef1a928 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x5577bd2b4b8d - std::rt::lang_start_internal::h66991f896511b48c [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x5577bd28ca29 - std::rt::lang_start::h3d976abc055dc815 [INFO] [stderr] at /rustc/b19afc12c4f781e95f168f2fdea339c972f14ae2/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x5577bd27cb7a - main [INFO] [stderr] 26: 0x7f305e216b97 - __libc_start_main [INFO] [stderr] 27: 0x5577bd2522da - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ef0bb2d3813485762ac950fd5b9a50d8825a65df97ab39c4d9de9db3e7a774f6"` [INFO] running `"docker" "rm" "-f" "ef0bb2d3813485762ac950fd5b9a50d8825a65df97ab39c4d9de9db3e7a774f6"` [INFO] [stdout] ef0bb2d3813485762ac950fd5b9a50d8825a65df97ab39c4d9de9db3e7a774f6