[INFO] updating cached repository https://github.com/danger/rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f0f9603f57edae1b0e333d15dbba053e6cfc5e7b [INFO] checking danger/rust against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanger%2Frust" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danger/rust on toolchain e2223c94bf433fc38234d1303e88cbaf14755863 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/danger/rust [INFO] finished tweaking git repo https://github.com/danger/rust [INFO] tweaked toml for git repo https://github.com/danger/rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/danger/rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a83e09fc6727f5786534a0bbab26ec46161016fc88b6f93ed128329a0d2cf823 [INFO] running `"docker" "start" "-a" "a83e09fc6727f5786534a0bbab26ec46161016fc88b6f93ed128329a0d2cf823"` [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Checking openssl v0.10.15 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking tokio-threadpool v0.1.8 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking Inflector v0.6.0 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking native-tls v0.2.2 [INFO] [stderr] Checking hyper v0.12.12 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.3 [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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/schemafy-33c2a9b6684983e9/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 'e2223c94bf433fc38234d1303e88cbaf14755863' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain e2223c94bf433fc38234d1303e88cbaf14755863` [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/schemafy-0.4.4/build.rs:22:20 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558538da2084 - backtrace::backtrace::libunwind::trace::h4ca49152e1f35005 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x558538da2084 - backtrace::backtrace::trace_unsynchronized::hc386219a292e35b7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558538da2084 - std::sys_common::backtrace::_print_fmt::hcc8e03acf0b4e191 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x558538da2084 - ::fmt::h6629260593428da6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x558538dc427c - core::fmt::write::h33778cb9fc069ee9 [INFO] [stderr] at src/libcore/fmt/mod.rs:1053 [INFO] [stderr] 5: 0x558538d9f777 - std::io::Write::write_fmt::ha24c398f7cbcf857 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x558538da44f5 - std::sys_common::backtrace::_print::hc879c3241333a43c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x558538da44f5 - std::sys_common::backtrace::print::h20817dd43023ddb9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558538da44f5 - std::panicking::default_hook::{{closure}}::h99b6ca83277c224a [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x558538da4237 - std::panicking::default_hook::hdf495aaeed5140cc [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x558538da4ab2 - std::panicking::rust_panic_with_hook::h455d273bc59e23f1 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x558538da469b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x558538dc2991 - core::panicking::panic_fmt::h0849f966b68c6e85 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x558538dc27b3 - core::option::expect_none_failed::h5687f4651d6b5cd6 [INFO] [stderr] at src/libcore/option.rs:1211 [INFO] [stderr] 14: 0x558538cd160b - core::result::Result::unwrap::h651ac4ba271f97f2 [INFO] [stderr] at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libcore/result.rs:1003 [INFO] [stderr] 15: 0x558538cd0c04 - build_script_build::main::h70c84a0b04bb8bf2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/schemafy-0.4.4/build.rs:22 [INFO] [stderr] 16: 0x558538cd1bdb - std::rt::lang_start::{{closure}}::hf1f74ba886ff2d4f [INFO] [stderr] at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x558538da45c3 - std::rt::lang_start_internal::{{closure}}::hb57f5e2d13eee8db [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x558538da45c3 - std::panicking::try::do_call::h204ea578757a6ffa [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x558538daaa97 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x558538da4f59 - std::panicking::try::hbdab64151e1c9d96 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x558538da4f59 - std::panic::catch_unwind::h354b07ea6be5bfc8 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x558538da4f59 - std::rt::lang_start_internal::h50f05845fa10b1fa [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x558538cd1bb7 - std::rt::lang_start::h7b84c6aa32eb1a23 [INFO] [stderr] at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x558538cd0d7a - main [INFO] [stderr] 25: 0x7efe28c38b97 - __libc_start_main [INFO] [stderr] 26: 0x558538ccff8a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "a83e09fc6727f5786534a0bbab26ec46161016fc88b6f93ed128329a0d2cf823"` [INFO] running `"docker" "rm" "-f" "a83e09fc6727f5786534a0bbab26ec46161016fc88b6f93ed128329a0d2cf823"` [INFO] [stdout] a83e09fc6727f5786534a0bbab26ec46161016fc88b6f93ed128329a0d2cf823