[INFO] updating cached repository danger/rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/danger/rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/danger/rust" "work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/danger/rust"` [INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/danger/rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/danger/rust" "work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/danger/rust"` [INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/danger/rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f0f9603f57edae1b0e333d15dbba053e6cfc5e7b [INFO] sha for GitHub repo danger/rust: f0f9603f57edae1b0e333d15dbba053e6cfc5e7b [INFO] validating manifest of danger/rust on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of danger/rust on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing danger/rust [INFO] finished frobbing danger/rust [INFO] frobbed toml for danger/rust written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/danger/rust/Cargo.toml [INFO] started frobbing danger/rust [INFO] finished frobbing danger/rust [INFO] frobbed toml for danger/rust written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/danger/rust/Cargo.toml [INFO] crate danger/rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking danger/rust against master#df25d79a33b0c82b716699a75a41bfdc6089850a for pr-59928 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-4/master#df25d79a33b0c82b716699a75a41bfdc6089850a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/danger/rust:/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 01f0135d741829796c12bbbcd8b9e266d2ae15db1f310f46fb439652cba4dad4 [INFO] running `"docker" "start" "-a" "01f0135d741829796c12bbbcd8b9e266d2ae15db1f310f46fb439652cba4dad4"` [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Checking Inflector v0.6.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling schemafy_snapshot v0.4.1 [INFO] [stderr] Compiling schemafy v0.4.4 [INFO] [stderr] error: failed to run custom build command for `schemafy v0.4.4` [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/schemafy-7cc1942f10c02a2d/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=src/schema.json [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain 'df25d79a33b0c82b716699a75a41bfdc6089850a-alt' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain df25d79a33b0c82b716699a75a41bfdc6089850a-alt` [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:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56236ce923c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h998473333b6173fd [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x56236ce8e1ab - std::sys_common::backtrace::_print::h7319fdc7898c609c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x56236ce91256 - std::panicking::default_hook::{{closure}}::he0ea18480832534c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x56236ce90fe9 - std::panicking::default_hook::h5860d8261b6f7347 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x56236ce918af - std::panicking::rust_panic_with_hook::h4edf41dc8786027d [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x56236ce91431 - std::panicking::continue_panic_fmt::hac7094691b749a9f [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x56236ce91315 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x56236cea996c - core::panicking::panic_fmt::h56f12d13ec8a0d94 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x56236cd9da72 - core::result::unwrap_failed::h2924e30cc28c4a17 [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x56236cd9dfa6 - core::result::Result::unwrap::he13dc064b7ed0005 [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x56236cd9ee71 - build_script_build::main::ha5f0616f38db22d0 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/schemafy-0.4.4/build.rs:22 [INFO] [stderr] 11: 0x56236cd9f42f - std::rt::lang_start::{{closure}}::h497eea1b89d930c1 [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x56236ce91302 - std::panicking::try::do_call::hc4555bf6034eaeaa [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x56236ce978a9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 14: 0x56236ce91dbc - std::rt::lang_start_internal::h4d7765d05754457a [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x56236cd9f408 - std::rt::lang_start::h9ab743a3228a28ce [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x56236cd9efd9 - main [INFO] [stderr] 17: 0x7ff926b2b2e0 - __libc_start_main [INFO] [stderr] 18: 0x56236cd9cf29 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "01f0135d741829796c12bbbcd8b9e266d2ae15db1f310f46fb439652cba4dad4"` [INFO] running `"docker" "rm" "-f" "01f0135d741829796c12bbbcd8b9e266d2ae15db1f310f46fb439652cba4dad4"` [INFO] [stdout] 01f0135d741829796c12bbbcd8b9e266d2ae15db1f310f46fb439652cba4dad4