[INFO] crate rutie-serde 0.1.1 is already in cache
[INFO] extracting crate rutie-serde 0.1.1 into work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/rutie-serde/0.1.1
[INFO] extracting crate rutie-serde 0.1.1 into work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/rutie-serde/0.1.1
[INFO] validating manifest of rutie-serde-0.1.1 on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rutie-serde-0.1.1 on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rutie-serde-0.1.1
[INFO] finished frobbing rutie-serde-0.1.1
[INFO] frobbed toml for rutie-serde-0.1.1 written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/rutie-serde/0.1.1/Cargo.toml
[INFO] started frobbing rutie-serde-0.1.1
[INFO] finished frobbing rutie-serde-0.1.1
[INFO] frobbed toml for rutie-serde-0.1.1 written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/rutie-serde/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rutie-serde-0.1.1 against try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-2/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/rutie-serde/0.1.1:/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" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 997ad5cb82c6894151f0b5de6b846a90784312be1e11e0f5227114226dfb04df
[INFO] running `"docker" "start" "-a" "997ad5cb82c6894151f0b5de6b846a90784312be1e11e0f5227114226dfb04df"`
[INFO] [stderr]    Compiling rutie v0.5.4
[INFO] [stderr] error: failed to run custom build command for `rutie v0.5.4`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rutie-9580ba16dacb0648/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rustc-link-search=/usr/lib
[INFO] [stderr] cargo:rustc-link-lib=ruby-2.3
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'create_dir_all fail: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x555af63fc213 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h1cba7cb914b608ae
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x555af63f7f2b - std::sys_common::backtrace::_print::h92597b49c897b408
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x555af63fb006 - std::panicking::default_hook::{{closure}}::h9b0d0d53f94db84d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x555af63fad99 - std::panicking::default_hook::h69c56094fed4f0ac
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x555af63fb65f - std::panicking::rust_panic_with_hook::h2ca3a3a2b6eb89a6
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x555af63fb1e1 - std::panicking::continue_panic_fmt::h487d2ae0366396ba
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x555af63fb0c5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x555af6410ecc - core::panicking::panic_fmt::h1237250792795dbc
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x555af63c9d5e - core::result::unwrap_failed::h347ef02c9bfacefb
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x555af63cb9a5 - core::result::Result<T,E>::expect::h2ca74ca896ed8d9b
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libcore/result.rs:827
[INFO] [stderr]   10:     0x555af63dc75e - build_script_build::ruby_lib_link_name::h52739c328475f74b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.4/build.rs:176
[INFO] [stderr]   11:     0x555af63dccf4 - build_script_build::dynamic_linker_args::hcd8d6256803d238b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.4/build.rs:205
[INFO] [stderr]   12:     0x555af63dc346 - build_script_build::use_dylib::h2f43d9260318367f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.4/build.rs:94
[INFO] [stderr]   13:     0x555af63dee68 - build_script_build::main::h780dea1b36a1e33a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.4/build.rs:356
[INFO] [stderr]   14:     0x555af63df7cf - std::rt::lang_start::{{closure}}::h94f26febbd3e0a87
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x555af63fb0b2 - std::panicking::try::do_call::h9f7374f73eec33b6
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   16:     0x555af6401fd9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x555af63fbb6c - std::rt::lang_start_internal::h666767ed1fcf161d
[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]   18:     0x555af63df7a8 - std::rt::lang_start::h8251c33ff9516028
[INFO] [stderr]                                at /rustc/cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x555af63df099 - main
[INFO] [stderr]   20:     0x7f1d00abc2e0 - __libc_start_main
[INFO] [stderr]   21:     0x555af63be339 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "997ad5cb82c6894151f0b5de6b846a90784312be1e11e0f5227114226dfb04df"`
[INFO] running `"docker" "rm" "-f" "997ad5cb82c6894151f0b5de6b846a90784312be1e11e0f5227114226dfb04df"`
[INFO] [stdout] 997ad5cb82c6894151f0b5de6b846a90784312be1e11e0f5227114226dfb04df