[INFO] updating cached repository asoderman/rust-http-server [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/asoderman/rust-http-server [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/asoderman/rust-http-server" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/asoderman/rust-http-server"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/asoderman/rust-http-server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/asoderman/rust-http-server" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/asoderman/rust-http-server"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/asoderman/rust-http-server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] febb908ce0b4238cee43019e05c207f8825c32e7 [INFO] sha for GitHub repo asoderman/rust-http-server: febb908ce0b4238cee43019e05c207f8825c32e7 [INFO] validating manifest of asoderman/rust-http-server on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of asoderman/rust-http-server on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing asoderman/rust-http-server [INFO] finished frobbing asoderman/rust-http-server [INFO] frobbed toml for asoderman/rust-http-server written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/asoderman/rust-http-server/Cargo.toml [INFO] started frobbing asoderman/rust-http-server [INFO] finished frobbing asoderman/rust-http-server [INFO] frobbed toml for asoderman/rust-http-server written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/asoderman/rust-http-server/Cargo.toml [INFO] crate asoderman/rust-http-server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking asoderman/rust-http-server against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/asoderman/rust-http-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0b63767c4e310c574ff5d45c619e61bc32d3ea3669dd9ff3b71fe25b55e71af3 [INFO] running `"docker" "start" "-a" "0b63767c4e310c574ff5d45c619e61bc32d3ea3669dd9ff3b71fe25b55e71af3"` [INFO] [stderr] Compiling cpython v0.1.0 [INFO] [stderr] Checking termcolor v0.3.5 [INFO] [stderr] Checking same-file v1.0.2 [INFO] [stderr] Compiling openssl-sys v0.9.25 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling curl-sys v0.4.1 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Checking humantime v1.1.0 [INFO] [stderr] Checking walkdir v2.1.3 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.2.6 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Checking hyper v0.11.18 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-5461190748f45e8f/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ad54a9b43b - backtrace::backtrace::libunwind::trace::h3a6a6e8afb7ff2de [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ad54a9b43b - backtrace::backtrace::trace_unsynchronized::h2220292c79f07c05 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ad54a9b43b - std::sys_common::backtrace::_print::h8ff1c2c5cb3b84f7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ad54a9b43b - std::sys_common::backtrace::print::h2254c58d69a73304 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ad54a9b43b - std::panicking::default_hook::{{closure}}::hc21cbd062363cef6 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55ad54a9b116 - std::panicking::default_hook::hfea076cda52c2914 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55ad54a9bafd - std::panicking::rust_panic_with_hook::h746830f9f479e849 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55ad54a9b682 - std::panicking::continue_panic_fmt::h37fa2235c2440555 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55ad54a9b566 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55ad54ab03bd - core::panicking::panic_fmt::hc32305cc7ba59cf9 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55ad54ab04b7 - core::result::unwrap_failed::h11b2f6982d0c0006 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x55ad54a61ce0 - core::result::Result::unwrap::heb962ff9da7b131d [INFO] [stderr] at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55ad54a63cb5 - build_script_gen_mime_types::main::hcfee2660cd48ce74 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.3/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55ad54a4e7d0 - std::rt::lang_start::{{closure}}::h0f074dc7fa9348ed [INFO] [stderr] at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55ad54a9b553 - std::rt::lang_start_internal::{{closure}}::h14c5bec2472d54ad [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55ad54a9b553 - std::panicking::try::do_call::h88f516924fc6a288 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55ad54a9d64a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x55ad54a9c00d - std::panicking::try::ha613ca8bf0a1302a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55ad54a9c00d - std::panic::catch_unwind::h68d4ca98047bc7c5 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55ad54a9c00d - std::rt::lang_start_internal::h600c3ba1b556e68a [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55ad54a4e7a9 - std::rt::lang_start::hdad13bf3bd0bb98a [INFO] [stderr] at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55ad54a6523a - main [INFO] [stderr] 22: 0x7ff24fb9c2e1 - __libc_start_main [INFO] [stderr] 23: 0x55ad54a3a1ca - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "0b63767c4e310c574ff5d45c619e61bc32d3ea3669dd9ff3b71fe25b55e71af3"` [INFO] running `"docker" "rm" "-f" "0b63767c4e310c574ff5d45c619e61bc32d3ea3669dd9ff3b71fe25b55e71af3"` [INFO] [stdout] 0b63767c4e310c574ff5d45c619e61bc32d3ea3669dd9ff3b71fe25b55e71af3