[INFO] cloning repository the-lobster/liter2 [INFO] running `"git" "clone" "--bare" "git://github.com/the-lobster/liter2.git" "work/cache/sources/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/the-lobster/liter2'... [INFO] running `"git" "clone" "work/cache/sources/gh/the-lobster/liter2" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/the-lobster/liter2" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] sha for GitHub repo the-lobster/liter2: 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] validating manifest of the-lobster/liter2 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 the-lobster/liter2 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 the-lobster/liter2 [INFO] finished frobbing the-lobster/liter2 [INFO] frobbed toml for the-lobster/liter2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2/Cargo.toml [INFO] started frobbing the-lobster/liter2 [INFO] finished frobbing the-lobster/liter2 [INFO] frobbed toml for the-lobster/liter2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2/Cargo.toml [INFO] crate the-lobster/liter2 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] Downloading crates ... [INFO] [stderr] Downloaded scraper v0.4.0 [INFO] [stderr] Downloaded selectors v0.5.9 [INFO] [stderr] Downloaded cssparser v0.5.8 [INFO] [stderr] Downloaded epub-builder v0.1.2 [INFO] [stderr] Downloaded quickersort v2.2.0 [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 the-lobster/liter2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2:/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] 9f564883a354376ffe2fb65c768b8ca29042ebddc3b18fce23ac0fe5528ee1ac [INFO] running `"docker" "start" "-a" "9f564883a354376ffe2fb65c768b8ca29042ebddc3b18fce23ac0fe5528ee1ac"` [INFO] [stderr] Checking num-traits v0.2.0 [INFO] [stderr] Checking ego-tree v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.25 [INFO] [stderr] Compiling miniz_oxide_c_api v0.1.2 [INFO] [stderr] Compiling bzip2-sys v0.1.6 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking miniz_oxide v0.1.2 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking msdos_time v0.1.5 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking mustache v0.8.2 [INFO] [stderr] Checking backtrace-sys v0.1.16 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking uuid v0.3.1 [INFO] [stderr] Checking cssparser v0.5.8 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Checking error-chain v0.7.2 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking quickersort v2.2.0 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling string_cache v0.2.29 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking bzip2 v0.3.2 [INFO] [stderr] Checking flate2 v1.0.1 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling html5ever v0.5.4 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking structopt v0.1.7 [INFO] [stderr] Checking hyper v0.11.18 [INFO] [stderr] Checking selectors v0.5.9 [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-61d0bbbfa523ec76/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: 0x557f7b13c47b - 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: 0x557f7b13c47b - 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: 0x557f7b13c47b - std::sys_common::backtrace::_print::ha749bbdb811617ea [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x557f7b13c47b - std::sys_common::backtrace::print::h86a6ff63a904e869 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x557f7b13c47b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x557f7b13c157 - std::panicking::default_hook::ha801ade4ae33c264 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x557f7b13cb40 - std::panicking::rust_panic_with_hook::hfb51b615c6060100 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x557f7b13c6c2 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x557f7b13c5a6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x557f7b1512ad - core::panicking::panic_fmt::h8a74e5820cacd07c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x557f7b12c038 - core::result::unwrap_failed::h9c5e8a73f85efcb3 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x557f7b0fc72c - core::result::Result::unwrap::hf93cbe42f4e6ca5e [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x557f7b0ff845 - build_script_gen_mime_types::main::h5b45ade89b7d9a29 [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: 0x557f7b125fa0 - std::rt::lang_start::{{closure}}::h40d3f240e482535d [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x557f7b13c593 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x557f7b13c593 - std::panicking::try::do_call::h51cc84caa9338daf [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x557f7b13e4da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x557f7b13d04d - std::panicking::try::heb9d5da34e3fa707 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x557f7b13d04d - std::panic::catch_unwind::he2a2041733180f4c [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x557f7b13d04d - std::rt::lang_start_internal::h9e24cef029766dfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x557f7b125f79 - std::rt::lang_start::h88b71ce8bb460a42 [INFO] [stderr] at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x557f7b100e7a - main [INFO] [stderr] 22: 0x7fb1ac34a2e1 - __libc_start_main [INFO] [stderr] 23: 0x557f7b0db2ba - _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" "9f564883a354376ffe2fb65c768b8ca29042ebddc3b18fce23ac0fe5528ee1ac"` [INFO] running `"docker" "rm" "-f" "9f564883a354376ffe2fb65c768b8ca29042ebddc3b18fce23ac0fe5528ee1ac"` [INFO] [stdout] 9f564883a354376ffe2fb65c768b8ca29042ebddc3b18fce23ac0fe5528ee1ac