[INFO] updating cached repository pierzchalski/macro_analysis
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pierzchalski/macro_analysis
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pierzchalski/macro_analysis" "work/ex/beta-1.37-6/sources/1.36.0/gh/pierzchalski/macro_analysis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pierzchalski/macro_analysis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pierzchalski/macro_analysis" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pierzchalski/macro_analysis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pierzchalski/macro_analysis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e56250185a9e91a4c2ed83eacb70c611e8ccfb9
[INFO] sha for GitHub repo pierzchalski/macro_analysis: 3e56250185a9e91a4c2ed83eacb70c611e8ccfb9
[INFO] validating manifest of pierzchalski/macro_analysis on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pierzchalski/macro_analysis on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pierzchalski/macro_analysis
[INFO] finished frobbing pierzchalski/macro_analysis
[INFO] frobbed toml for pierzchalski/macro_analysis written to work/ex/beta-1.37-6/sources/1.36.0/gh/pierzchalski/macro_analysis/Cargo.toml
[INFO] started frobbing pierzchalski/macro_analysis
[INFO] finished frobbing pierzchalski/macro_analysis
[INFO] frobbed toml for pierzchalski/macro_analysis written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pierzchalski/macro_analysis/Cargo.toml
[INFO] crate pierzchalski/macro_analysis already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pierzchalski/macro_analysis against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pierzchalski/macro_analysis:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 10a4af7f0a52794b03483dfa1e04b11c5778e59a9e7a10a1e7b822bccb5e189d
[INFO] running `"docker" "start" "-a" "10a4af7f0a52794b03483dfa1e04b11c5778e59a9e7a10a1e7b822bccb5e189d"`
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling termcolor v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.25
[INFO] [stderr]    Compiling proc-macro2 v0.2.2
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling tar v0.4.14
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling syn v0.12.12
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.3
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling rayon v0.9.0
[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-83a59ed50388b36b/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:     0x5650b80da003 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5650b80d5c1b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5650b80d8e76 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5650b80d8c09 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5650b80d94cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5650b80d9051 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5650b80d8f35 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5650b80e9dac - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5650b80cbef6 - core::result::unwrap_failed::hec71880df7822237
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x5650b809742a - core::result::Result<T,E>::unwrap::hb6de2115c9558492
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x5650b80a24e4 - build_script_gen_mime_types::main::h665542eb714ac01c
[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]   11:     0x5650b80c138f - std::rt::lang_start::{{closure}}::hd495a7723e1e697e
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5650b80d8f22 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x5650b80db459 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x5650b80d99dc - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x5650b80c1368 - std::rt::lang_start::h1f4febb4b73bc558
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x5650b80a3b29 - main
[INFO] [stderr]   17:     0x7f8bfc58f2e0 - __libc_start_main
[INFO] [stderr]   18:     0x5650b80776f9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "10a4af7f0a52794b03483dfa1e04b11c5778e59a9e7a10a1e7b822bccb5e189d"`
[INFO] running `"docker" "rm" "-f" "10a4af7f0a52794b03483dfa1e04b11c5778e59a9e7a10a1e7b822bccb5e189d"`
[INFO] [stdout] 10a4af7f0a52794b03483dfa1e04b11c5778e59a9e7a10a1e7b822bccb5e189d