[INFO] cloning repository devgar/rust-http [INFO] running `"git" "clone" "--bare" "git://github.com/devgar/rust-http.git" "work/cache/sources/gh/devgar/rust-http"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/devgar/rust-http'... [INFO] running `"git" "clone" "work/cache/sources/gh/devgar/rust-http" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/devgar/rust-http"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/devgar/rust-http'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/devgar/rust-http" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/devgar/rust-http"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/devgar/rust-http'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 526bd1316a98b6c9a7b9d35da83d27613b77f8b6 [INFO] sha for GitHub repo devgar/rust-http: 526bd1316a98b6c9a7b9d35da83d27613b77f8b6 [INFO] validating manifest of devgar/rust-http on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of devgar/rust-http on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing devgar/rust-http [INFO] finished frobbing devgar/rust-http [INFO] frobbed toml for devgar/rust-http written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/devgar/rust-http/Cargo.toml [INFO] started frobbing devgar/rust-http [INFO] finished frobbing devgar/rust-http [INFO] frobbed toml for devgar/rust-http written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/devgar/rust-http/Cargo.toml [INFO] crate devgar/rust-http already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking devgar/rust-http against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/devgar/rust-http:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 53ecdeba6c0a1b1c6af1e2b31dbd7996037a8fc09711432b7c5e2b3c61ecd0f6 [INFO] running `"docker" "start" "-a" "53ecdeba6c0a1b1c6af1e2b31dbd7996037a8fc09711432b7c5e2b3c61ecd0f6"` [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [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-ed0127aa1bdd9cb1/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:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560d2c83ed5b - backtrace::backtrace::libunwind::trace::h8758853b907b30fd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x560d2c83ed5b - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x560d2c83ed5b - std::sys_common::backtrace::_print::ha749bbdb811617ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x560d2c83ed5b - std::sys_common::backtrace::print::h86a6ff63a904e869 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x560d2c83ed5b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x560d2c83ea37 - std::panicking::default_hook::ha801ade4ae33c264 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x560d2c83f420 - std::panicking::rust_panic_with_hook::hfb51b615c6060100 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x560d2c83efa2 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x560d2c83ee86 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x560d2c853b8d - core::panicking::panic_fmt::h8a74e5820cacd07c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x560d2c831b28 - core::result::unwrap_failed::h66501c264f24aa7c [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x560d2c7ff90c - core::result::Result::unwrap::h6ba9d2a0c9ad9328 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x560d2c802a25 - build_script_gen_mime_types::main::hebea23c215e398bd [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: 0x560d2c829200 - std::rt::lang_start::{{closure}}::h76b063ce66c7e286 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x560d2c83ee73 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x560d2c83ee73 - std::panicking::try::do_call::h51cc84caa9338daf [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x560d2c840dba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x560d2c83f92d - std::panicking::try::heb9d5da34e3fa707 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x560d2c83f92d - std::panic::catch_unwind::he2a2041733180f4c [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x560d2c83f92d - std::rt::lang_start_internal::h9e24cef029766dfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x560d2c8291d9 - std::rt::lang_start::h51bf8f26a43d4d54 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x560d2c80405a - main [INFO] [stderr] 22: 0x7f9955d502e1 - __libc_start_main [INFO] [stderr] 23: 0x560d2c7de47a - _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" "53ecdeba6c0a1b1c6af1e2b31dbd7996037a8fc09711432b7c5e2b3c61ecd0f6"` [INFO] running `"docker" "rm" "-f" "53ecdeba6c0a1b1c6af1e2b31dbd7996037a8fc09711432b7c5e2b3c61ecd0f6"` [INFO] [stdout] 53ecdeba6c0a1b1c6af1e2b31dbd7996037a8fc09711432b7c5e2b3c61ecd0f6