[INFO] updating cached repository https://github.com/forestbelton/plank [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] 02b579d64dbfe520cf9c2affb06f0ce04a93ff62 [INFO] checking forestbelton/plank against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforestbelton%2Fplank" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/forestbelton/plank on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/forestbelton/plank [INFO] finished tweaking git repo https://github.com/forestbelton/plank [INFO] tweaked toml for git repo https://github.com/forestbelton/plank written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/forestbelton/plank already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=allow" "-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" "+beta-2019-10-27" "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] f1650b011c6e12c5fbc13a75e5863b97b41a07a0f4658634e18051ff757b576a [INFO] running `"docker" "start" "-a" "f1650b011c6e12c5fbc13a75e5863b97b41a07a0f4658634e18051ff757b576a"` [INFO] [stderr] Compiling libc v0.2.26 [INFO] [stderr] Compiling serde v1.0.10 [INFO] [stderr] Compiling rustc-demangle v0.1.4 [INFO] [stderr] Checking buf_redux v0.3.0 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Compiling backtrace-sys v0.1.11 [INFO] [stderr] Compiling libsqlite3-sys v0.8.1 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Checking num-complex v0.1.39 [INFO] [stderr] Checking fern v0.4.0 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Checking envy v0.3.1 [INFO] [stderr] Checking scheduled-thread-pool v0.1.0 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking num-bigint v0.1.40 [INFO] [stderr] Checking r2d2 v0.7.3 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling serde_derive v1.0.10 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Checking hyper v0.10.12 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking num-rational v0.1.39 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Checking iron v0.5.1 [INFO] [stderr] Checking diesel v0.14.1 [INFO] [stderr] Checking persistent v0.3.0 [INFO] [stderr] Checking mount v0.3.0 [INFO] [stderr] Checking router v0.5.1 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-5135a9603f19e767/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:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x563e6c865984 - backtrace::backtrace::libunwind::trace::h14dfaa7b4b7da907 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x563e6c865984 - backtrace::backtrace::trace_unsynchronized::hdb0fcb36bd91e7b1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563e6c865984 - std::sys_common::backtrace::_print_fmt::hcf7905a3a69ef6ef [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x563e6c865984 - ::fmt::h1d652799221364ff [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x563e6c87eeec - core::fmt::write::h123c1219d03dc2b2 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x563e6c864197 - std::io::Write::write_fmt::h1dd67bc0a861a8a1 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x563e6c867d05 - std::sys_common::backtrace::_print::h906393f990c77027 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x563e6c867d05 - std::sys_common::backtrace::print::h5760dd4bb9d97089 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x563e6c867d05 - std::panicking::default_hook::{{closure}}::h9c8250816dd18f0a [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x563e6c8679f6 - std::panicking::default_hook::h3e97ab45acb236f1 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x563e6c868355 - std::panicking::rust_panic_with_hook::hfd8c6048abefa5d1 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x563e6c867ef2 - std::panicking::continue_panic_fmt::h7778586face20ea0 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x563e6c867de6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x563e6c87c8ba - core::panicking::panic_fmt::ha8adde723bf3802d [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x563e6c87c9b7 - core::result::unwrap_failed::hf6a6f53f1c4931c8 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x563e6c82dfc0 - core::result::Result::unwrap::h2b8ba82cb42594a6 [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x563e6c82fc65 - build_script_gen_mime_types::main::hb12b9a2776029c9c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 17: 0x563e6c840bd0 - std::rt::lang_start::{{closure}}::he17ea2aace61bbdf [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x563e6c867dd3 - std::rt::lang_start_internal::{{closure}}::hafe4631cc0633d40 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x563e6c867dd3 - std::panicking::try::do_call::h717827b47231de13 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x563e6c869cea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x563e6c86884d - std::panicking::try::h389045103d38e408 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x563e6c86884d - std::panic::catch_unwind::hcca2ee11418f038b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x563e6c86884d - std::rt::lang_start_internal::hc0e13ab06870c4ba [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x563e6c840ba9 - std::rt::lang_start::h43a7f50fa457f551 [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x563e6c8311ea - main [INFO] [stderr] 26: 0x7f9ff1033b97 - __libc_start_main [INFO] [stderr] 27: 0x563e6c80654a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f1650b011c6e12c5fbc13a75e5863b97b41a07a0f4658634e18051ff757b576a"` [INFO] running `"docker" "rm" "-f" "f1650b011c6e12c5fbc13a75e5863b97b41a07a0f4658634e18051ff757b576a"` [INFO] [stdout] f1650b011c6e12c5fbc13a75e5863b97b41a07a0f4658634e18051ff757b576a