[INFO] updating cached repository https://github.com/pfernie/synacor-rs [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] 5c2677d8145793b1085adcae0aa1b1cb73bef1dc [INFO] testing pfernie/synacor-rs against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfernie%2Fsynacor-rs" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pfernie/synacor-rs on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pfernie/synacor-rs [INFO] finished tweaking git repo https://github.com/pfernie/synacor-rs [INFO] tweaked toml for git repo https://github.com/pfernie/synacor-rs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/pfernie/synacor-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4d4db0476061baef10482bd9d36fd26c8dcb531a1e0644889e07e2e43bf16e87 [INFO] running `"docker" "start" "-a" "4d4db0476061baef10482bd9d36fd26c8dcb531a1e0644889e07e2e43bf16e87"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling gcc v0.3.41 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.4.0 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling log v0.3.6 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Compiling unicode-segmentation v1.0.1 [INFO] [stderr] Compiling try_from v0.2.1 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling term_size v0.2.1 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [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 backtrace-sys v0.1.5 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling error-chain v0.7.2 [INFO] [stderr] Compiling env_logger v0.4.0 [INFO] [stderr] Compiling synacor v0.1.0 (/opt/rustwide/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: if this is intentional, prefix it 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::description': use the Display impl or to_string() [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [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 (in Nightly builds, run with -Z 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/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.synacor.28f0sg1t-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a" "/opt/rustwide/target/debug/deps/synacor-ce359b04aaae1a8a.1ul0lzt62a9rhnjg.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtry_from-7112c1d86f8510b7.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-d840b50f9adbc67c.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-07c85a0991306bfc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-423a1b6267d899c8.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5f0f306243e61a8b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3dcacc2bfae7a974.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-43c975612ef38fb1.rlib" "/opt/rustwide/target/debug/deps/libwinapi-3ed1ade76b4e589e.rlib" "/opt/rustwide/target/debug/deps/libkernel32-bc8c56ff8a2657a9.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-2715909b0ba4cd6d.rlib" "/opt/rustwide/target/debug/deps/libregex-4079f10bda4780d5.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-5ad13cb014affa8b.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-a104968998558a81.rlib" "/opt/rustwide/target/debug/deps/libthread_local-81255249beaaa3c2.rlib" "/opt/rustwide/target/debug/deps/libunreachable-0be79f0d0c84a743.rlib" "/opt/rustwide/target/debug/deps/libvoid-ef80a4c5b644431d.rlib" "/opt/rustwide/target/debug/deps/libthread_id-220019785471e827.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-331965c249ef1750.rlib" "/opt/rustwide/target/debug/deps/libmemchr-dce5906943f5ee5b.rlib" "/opt/rustwide/target/debug/deps/liblibc-12bf9a4dada2fe41.rlib" "/opt/rustwide/target/debug/deps/liblog-c9e55955da6d81a3.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b7bae86196f436cb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-07c85a0991306bfc.rlib(backtrace-07c85a0991306bfc.backtrace.dfvllskz-cgu.15.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-07c85a0991306bfc.rlib(backtrace-07c85a0991306bfc.backtrace.dfvllskz-cgu.15.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/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; 10 warnings emitted [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" "4d4db0476061baef10482bd9d36fd26c8dcb531a1e0644889e07e2e43bf16e87"` [INFO] running `"docker" "rm" "-f" "4d4db0476061baef10482bd9d36fd26c8dcb531a1e0644889e07e2e43bf16e87"` [INFO] [stdout] 4d4db0476061baef10482bd9d36fd26c8dcb531a1e0644889e07e2e43bf16e87