[INFO] cloning repository futurice/rusty-build-light [INFO] running `"git" "clone" "--bare" "git://github.com/futurice/rusty-build-light.git" "work/cache/sources/gh/futurice/rusty-build-light"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/futurice/rusty-build-light'... [INFO] running `"git" "clone" "work/cache/sources/gh/futurice/rusty-build-light" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/futurice/rusty-build-light"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/futurice/rusty-build-light'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/futurice/rusty-build-light" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/futurice/rusty-build-light"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/futurice/rusty-build-light'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ba2aa17d559ea220ca6a3dcfac87e3068b7f802e [INFO] sha for GitHub repo futurice/rusty-build-light: ba2aa17d559ea220ca6a3dcfac87e3068b7f802e [INFO] validating manifest of futurice/rusty-build-light 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 futurice/rusty-build-light 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 futurice/rusty-build-light [INFO] finished frobbing futurice/rusty-build-light [INFO] frobbed toml for futurice/rusty-build-light written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/futurice/rusty-build-light/Cargo.toml [INFO] started frobbing futurice/rusty-build-light [INFO] finished frobbing futurice/rusty-build-light [INFO] frobbed toml for futurice/rusty-build-light written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/futurice/rusty-build-light/Cargo.toml [INFO] crate futurice/rusty-build-light 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] checking futurice/rusty-build-light against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/futurice/rusty-build-light:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] eb448b7866d35742785d3ee2c94b9dc00aa520ba2c55a196d5f3eeedabe60673 [INFO] running `"docker" "start" "-a" "eb448b7866d35742785d3ee2c94b9dc00aa520ba2c55a196d5f3eeedabe60673"` [INFO] [stderr] Compiling rusty_build_light v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Compiling wiringpi v0.2.4 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] warning: unused import: `std::ffi::OsString` [INFO] [stderr] --> build.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::ffi::OsString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] Checking serde_yaml v0.7.3 [INFO] [stderr] Checking backtrace-sys v0.1.16 [INFO] [stderr] Checking serde-value v0.5.1 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking flate2 v1.0.1 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking mio v0.6.12 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking log4rs v0.8.0 [INFO] [stderr] Checking ctrlc v3.1.0 [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-f7419493f0afdd31/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: 0x561959cb21bb - backtrace::backtrace::libunwind::trace::h3eb7dec79b0cb248 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x561959cb21bb - backtrace::backtrace::trace_unsynchronized::h828522acfd8fecfd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x561959cb21bb - std::sys_common::backtrace::_print::ha50329dede3e270e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x561959cb21bb - std::sys_common::backtrace::print::ha6d7f96740481555 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x561959cb21bb - std::panicking::default_hook::{{closure}}::h48c4812e51e499b0 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x561959cb1e97 - std::panicking::default_hook::h5d25d0fa83093442 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x561959cb2880 - std::panicking::rust_panic_with_hook::h1babb2b4ac73106c [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x561959cb2402 - std::panicking::continue_panic_fmt::hb318720956a96dd4 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x561959cb22e6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x561959cc6fed - core::panicking::panic_fmt::h78250769f89ff6a0 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x561959ca4c28 - core::result::unwrap_failed::h3dfc24f579fd2f09 [INFO] [stderr] at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x561959c7259c - core::result::Result::unwrap::hfd4aada0681e957b [INFO] [stderr] at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x561959c756b5 - build_script_gen_mime_types::main::h7375edb26a92f182 [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: 0x561959c9be90 - std::rt::lang_start::{{closure}}::h17e0231b49790f3e [INFO] [stderr] at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x561959cb22d3 - std::rt::lang_start_internal::{{closure}}::h8302806cea4153ed [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x561959cb22d3 - std::panicking::try::do_call::hc811096721c4b953 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x561959cb421a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x561959cb2d8d - std::panicking::try::h132c927956f6dad4 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x561959cb2d8d - std::panic::catch_unwind::h2f6ea137782ab73f [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x561959cb2d8d - std::rt::lang_start_internal::h0f27bcf63030d183 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x561959c9be69 - std::rt::lang_start::h91be7be3ec505d8e [INFO] [stderr] at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x561959c76cea - main [INFO] [stderr] 22: 0x7f7b159c32e1 - __libc_start_main [INFO] [stderr] 23: 0x561959c510ea - _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" "eb448b7866d35742785d3ee2c94b9dc00aa520ba2c55a196d5f3eeedabe60673"` [INFO] running `"docker" "rm" "-f" "eb448b7866d35742785d3ee2c94b9dc00aa520ba2c55a196d5f3eeedabe60673"` [INFO] [stdout] eb448b7866d35742785d3ee2c94b9dc00aa520ba2c55a196d5f3eeedabe60673