[INFO] updating cached repository ruscur/swagladder [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ruscur/swagladder [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ruscur/swagladder" "work/ex/beta-1.38-1/sources/1.37.0/gh/ruscur/swagladder"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ruscur/swagladder'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ruscur/swagladder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruscur/swagladder"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruscur/swagladder'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bcfc3f7a832337e805998e3d8911c3718b2d8b9e [INFO] sha for GitHub repo ruscur/swagladder: bcfc3f7a832337e805998e3d8911c3718b2d8b9e [INFO] validating manifest of ruscur/swagladder on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ruscur/swagladder on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ruscur/swagladder [INFO] finished frobbing ruscur/swagladder [INFO] frobbed toml for ruscur/swagladder written to work/ex/beta-1.38-1/sources/1.37.0/gh/ruscur/swagladder/Cargo.toml [INFO] started frobbing ruscur/swagladder [INFO] finished frobbing ruscur/swagladder [INFO] frobbed toml for ruscur/swagladder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruscur/swagladder/Cargo.toml [INFO] crate ruscur/swagladder already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ruscur/swagladder against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ruscur/swagladder:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 6e89ea6b308e783ad0b1007cdbb6bfcc82d159402a899b627e65210822496178 [INFO] running `"docker" "start" "-a" "6e89ea6b308e783ad0b1007cdbb6bfcc82d159402a899b627e65210822496178"` [INFO] [stderr] Compiling gcc v0.3.42 [INFO] [stderr] Compiling libc v0.2.20 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling siphasher v0.2.1 [INFO] [stderr] Compiling unicode-normalization v0.1.3 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling openssl v0.9.6 [INFO] [stderr] Compiling redis v0.7.1 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling regex-syntax v0.4.0 [INFO] [stderr] Compiling buf_redux v0.3.0 [INFO] [stderr] Compiling serde v0.7.15 [INFO] [stderr] Compiling unicode-bidi v0.2.4 [INFO] [stderr] Compiling unsafe-any v0.4.1 [INFO] [stderr] Compiling num-complex v0.1.35 [INFO] [stderr] Compiling error v0.1.9 [INFO] [stderr] Compiling unreachable v0.1.1 [INFO] [stderr] Compiling r2d2 v0.7.1 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling num_cpus v1.2.1 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling hyper v0.10.3 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling idna v0.1.0 [INFO] [stderr] Compiling aho-corasick v0.6.1 [INFO] [stderr] Compiling thread_local v0.3.2 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling num-bigint v0.1.35 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling error-chain v0.7.2 [INFO] [stderr] Compiling url v1.4.0 [INFO] [stderr] Compiling metadeps v1.1.1 [INFO] [stderr] Compiling num-rational v0.1.35 [INFO] [stderr] Compiling serde_json v0.8.6 [INFO] [stderr] Compiling openssl-sys v0.9.6 [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/crater/target/debug/build/mime_guess-5002384ff97e53ab/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: 0x55f689d57ffb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f689d57ffb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f689d57ffb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f689d57ffb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f689d57ffb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55f689d57cd7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55f689d586c0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55f689d58242 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55f689d58126 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55f689d6ccdd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55f689d4af88 - core::result::unwrap_failed::h091c0ff5175ee911 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55f689d1808c - core::result::Result::unwrap::h1d87e5b9822b8516 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55f689d1b2e5 - build_script_gen_mime_types::main::hf2594e0505293888 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55f689d41ac0 - std::rt::lang_start::{{closure}}::hb3500b5cea43bdd4 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55f689d58113 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55f689d58113 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55f689d59eba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55f689d58bcd - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55f689d58bcd - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55f689d58bcd - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55f689d41a99 - std::rt::lang_start::h0f3494831595086e [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55f689d1c91a - main [INFO] [stderr] 22: 0x7f0ffa2282e1 - __libc_start_main [INFO] [stderr] 23: 0x55f689cf6d1a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.0.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.1.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.10.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.11.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.12.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.13.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.14.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.15.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.2.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.3.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.4.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.5.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.6.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.7.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.8.rcgu.o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.build_script_build.8nkjrody-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84" "/opt/crater/target/debug/build/openssl-sys-f965bbbe4cfc0f84/build_script_build-f965bbbe4cfc0f84.4drkqh22dyltgwwe.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmetadeps-2782531a0414bac2.rlib" "/opt/crater/target/debug/deps/libtoml-e2981124853609df.rlib" "/opt/crater/target/debug/deps/libpkg_config-b9e19a2884e96d20.rlib" "/opt/crater/target/debug/deps/liberror_chain-148dccac7aa6e0ce.rlib" "/opt/crater/target/debug/deps/libbacktrace-b81cd398a7d7ceac.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-6bd3b9e12a3f7d03.rlib" "/opt/crater/target/debug/deps/librustc_demangle-550740f22608ec8c.rlib" "/opt/crater/target/debug/deps/libcfg_if-55146e185022d321.rlib" "/opt/crater/target/debug/deps/libdbghelp-94ab056f98c942bf.rlib" "/opt/crater/target/debug/deps/libwinapi-d699aca12e7b19a5.rlib" "/opt/crater/target/debug/deps/libkernel32-68d3558eb82f9807.rlib" "/opt/crater/target/debug/deps/liblibc-3a9ab9364d9c9a5c.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libbacktrace-b81cd398a7d7ceac.rlib(backtrace-b81cd398a7d7ceac.backtrace.3rsjpjet-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state' [INFO] [stderr] /opt/crater/target/debug/deps/libbacktrace-b81cd398a7d7ceac.rlib(backtrace-b81cd398a7d7ceac.backtrace.3rsjpjet-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo' [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo' [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `openssl-sys`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "6e89ea6b308e783ad0b1007cdbb6bfcc82d159402a899b627e65210822496178"` [INFO] running `"docker" "rm" "-f" "6e89ea6b308e783ad0b1007cdbb6bfcc82d159402a899b627e65210822496178"` [INFO] [stdout] 6e89ea6b308e783ad0b1007cdbb6bfcc82d159402a899b627e65210822496178