[INFO] updating cached repository pfernie/synacor-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pfernie/synacor-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pfernie/synacor-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/pfernie/synacor-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pfernie/synacor-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pfernie/synacor-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pfernie/synacor-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pfernie/synacor-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5c2677d8145793b1085adcae0aa1b1cb73bef1dc [INFO] sha for GitHub repo pfernie/synacor-rs: 5c2677d8145793b1085adcae0aa1b1cb73bef1dc [INFO] validating manifest of pfernie/synacor-rs 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 pfernie/synacor-rs 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 pfernie/synacor-rs [INFO] finished frobbing pfernie/synacor-rs [INFO] frobbed toml for pfernie/synacor-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/pfernie/synacor-rs/Cargo.toml [INFO] started frobbing pfernie/synacor-rs [INFO] finished frobbing pfernie/synacor-rs [INFO] frobbed toml for pfernie/synacor-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pfernie/synacor-rs/Cargo.toml [INFO] crate pfernie/synacor-rs 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 pfernie/synacor-rs 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pfernie/synacor-rs:/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] 8256287c2d0225ce7ca0058462860992eb4bc8b532185ccfd50afd097a1b1c20 [INFO] running `"docker" "start" "-a" "8256287c2d0225ce7ca0058462860992eb4bc8b532185ccfd50afd097a1b1c20"` [INFO] [stderr] Compiling gcc v0.3.41 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.0.1 [INFO] [stderr] Compiling try_from v0.2.1 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread_local v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.6.1 [INFO] [stderr] Compiling clap v2.20.0 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling error-chain v0.7.2 [INFO] [stderr] Compiling env_logger v0.4.0 [INFO] [stderr] Compiling synacor v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/bin/foo.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let t = thread::Builder::new().stack_size(1024 * 1024 * 32).spawn(move || { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/debugger/mod.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | impl AsMut for VmState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/debugger/mod.rs:25:35 [INFO] [stderr] | [INFO] [stderr] 25 | fn as_mut(&mut self) -> &mut (Inspectable + 'static) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/debugger/mod.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | impl AsRef for VmState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/debugger/mod.rs:35:27 [INFO] [stderr] | [INFO] [stderr] 35 | fn as_ref(&self) -> &(Inspectable + 'static) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/memory.rs:326:14 [INFO] [stderr] | [INFO] [stderr] 326 | 0...MAX_ADDR => Ok(Value::Literal(u)), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/memory.rs:327:18 [INFO] [stderr] | [INFO] [stderr] 327 | 32768...32776 => Register::try_from(u).map(Value::FromRegister), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead [INFO] [stderr] --> src/debugger/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | / error_chain!{ [INFO] [stderr] 3 | | foreign_links { [INFO] [stderr] 4 | | Io(::std::io::Error); [INFO] [stderr] 5 | | ParseInt(::std::num::ParseIntError); [INFO] [stderr] ... | [INFO] [stderr] 41 | | } [INFO] [stderr] 42 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ascii::AsciiExt` [INFO] [stderr] --> src/debugger/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [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/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.synacor.cucge36g-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c" "/opt/crater/target/debug/deps/synacor-c4ac8bbc8d964f2c.orezrc3p42mqby4.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/libtry_from-d0711d4e2958134f.rlib" "/opt/crater/target/debug/deps/liberror_chain-3543c49f140b1511.rlib" "/opt/crater/target/debug/deps/libbacktrace-d121c42532e7564d.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-491c8b32ff601c07.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/libenv_logger-69f94c0ce26d6e89.rlib" "/opt/crater/target/debug/deps/libregex-9157b0ee58384d6e.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-92eef759f8fa2727.rlib" "/opt/crater/target/debug/deps/libregex_syntax-176224d481243038.rlib" "/opt/crater/target/debug/deps/libthread_local-7f6aeb47705aed5a.rlib" "/opt/crater/target/debug/deps/libunreachable-0e59f709d2757188.rlib" "/opt/crater/target/debug/deps/libvoid-d4bd79b68b9b921e.rlib" "/opt/crater/target/debug/deps/libthread_id-48bcd36ded228643.rlib" "/opt/crater/target/debug/deps/libaho_corasick-6cc3918487304dd0.rlib" "/opt/crater/target/debug/deps/libmemchr-8de0eb57579baf3e.rlib" "/opt/crater/target/debug/deps/liblibc-e7a8e468d1534af4.rlib" "/opt/crater/target/debug/deps/liblog-cde2563351553608.rlib" "/opt/crater/target/debug/deps/libbyteorder-3dffb2228fd53a71.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-d121c42532e7564d.rlib(backtrace-d121c42532e7564d.backtrace.e72owj6h-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-d121c42532e7564d.rlib(backtrace-d121c42532e7564d.backtrace.e72owj6h-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 `synacor`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "8256287c2d0225ce7ca0058462860992eb4bc8b532185ccfd50afd097a1b1c20"` [INFO] running `"docker" "rm" "-f" "8256287c2d0225ce7ca0058462860992eb4bc8b532185ccfd50afd097a1b1c20"` [INFO] [stdout] 8256287c2d0225ce7ca0058462860992eb4bc8b532185ccfd50afd097a1b1c20