[INFO] fetching crate score 0.2.0... [INFO] extracting crate score 0.2.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/score/0.2.0 [INFO] extracting crate score 0.2.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/score/0.2.0 [INFO] validating manifest of score-0.2.0 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 score-0.2.0 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 score-0.2.0 [INFO] removed 2 missing examples [INFO] finished frobbing score-0.2.0 [INFO] frobbed toml for score-0.2.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/score/0.2.0/Cargo.toml [INFO] started frobbing score-0.2.0 [INFO] removed 2 missing examples [INFO] finished frobbing score-0.2.0 [INFO] frobbed toml for score-0.2.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/score/0.2.0/Cargo.toml [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking score-0.2.0 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/reg/score/0.2.0:/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] 3f7d396d2207f7577ee9424ff6239f3e408c76523614f09ce91ed668e1cd0395 [INFO] running `"docker" "start" "-a" "3f7d396d2207f7577ee9424ff6239f3e408c76523614f09ce91ed668e1cd0395"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/battle_bots.rs [INFO] [stderr] * /opt/crater/workdir/examples/telephone.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking buf_redux v0.1.3 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.5.0 [INFO] [stderr] Checking tiny_http v0.5.9 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.5.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-6bf6beda9b53ea43/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: 0x55c1125da68b - 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: 0x55c1125da68b - 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: 0x55c1125da68b - std::sys_common::backtrace::_print::ha749bbdb811617ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55c1125da68b - std::sys_common::backtrace::print::h86a6ff63a904e869 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55c1125da68b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55c1125da367 - std::panicking::default_hook::ha801ade4ae33c264 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55c1125dad50 - std::panicking::rust_panic_with_hook::hfb51b615c6060100 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55c1125da8d2 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55c1125da7b6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55c1125efabd - core::panicking::panic_fmt::h8a74e5820cacd07c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55c1125c69c3 - core::result::unwrap_failed::h2135f6d7c986dc60 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55c1125c8d98 - core::result::Result::unwrap::h0ac6fe89536e3dd3 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55c1125b50b5 - build_script_gen_mime_types::main::h99e6492545504f40 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.5.0/src/gen_mime_types.rs:16 [INFO] [stderr] 13: 0x55c1125a7ed0 - std::rt::lang_start::{{closure}}::h5d975235e0d52cc5 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55c1125da7a3 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55c1125da7a3 - std::panicking::try::do_call::h51cc84caa9338daf [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55c1125dc6ea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55c1125db25d - std::panicking::try::heb9d5da34e3fa707 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55c1125db25d - std::panic::catch_unwind::he2a2041733180f4c [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55c1125db25d - std::rt::lang_start_internal::h9e24cef029766dfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55c1125a7ea9 - std::rt::lang_start::hb1655e7426909bc5 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55c1125b555a - main [INFO] [stderr] 22: 0x7fae93c4f2e1 - __libc_start_main [INFO] [stderr] 23: 0x55c1125974fa - _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" "3f7d396d2207f7577ee9424ff6239f3e408c76523614f09ce91ed668e1cd0395"` [INFO] running `"docker" "rm" "-f" "3f7d396d2207f7577ee9424ff6239f3e408c76523614f09ce91ed668e1cd0395"` [INFO] [stdout] 3f7d396d2207f7577ee9424ff6239f3e408c76523614f09ce91ed668e1cd0395