[INFO] cloning repository mmueller/advent2016 [INFO] running `"git" "clone" "--bare" "git://github.com/mmueller/advent2016.git" "work/cache/sources/gh/mmueller/advent2016"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mmueller/advent2016'... [INFO] running `"git" "clone" "work/cache/sources/gh/mmueller/advent2016" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmueller/advent2016"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmueller/advent2016'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mmueller/advent2016" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mmueller/advent2016"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mmueller/advent2016'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ae140beb832ff98fd285c54d7100d9835c2399a1 [INFO] sha for GitHub repo mmueller/advent2016: ae140beb832ff98fd285c54d7100d9835c2399a1 [INFO] validating manifest of mmueller/advent2016 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mmueller/advent2016 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mmueller/advent2016 [INFO] finished frobbing mmueller/advent2016 [INFO] frobbed toml for mmueller/advent2016 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmueller/advent2016/Cargo.toml [INFO] started frobbing mmueller/advent2016 [INFO] finished frobbing mmueller/advent2016 [INFO] frobbed toml for mmueller/advent2016 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mmueller/advent2016/Cargo.toml [INFO] crate mmueller/advent2016 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded error-chain v0.7.1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mmueller/advent2016 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmueller/advent2016:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] d905d9e8c0867f77db240c9178a2525a6c602db05befc0666e621322662904a4 [INFO] running `"docker" "start" "-a" "d905d9e8c0867f77db240c9178a2525a6c602db05befc0666e621322662904a4"` [INFO] [stderr] Compiling gcc v0.3.39 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling error-chain v0.7.1 [INFO] [stderr] Compiling advent2016 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning[E0503]: cannot use `day` because it was mutably borrowed [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 29 | parser.refer(&mut day) [INFO] [stderr] | -------- borrow of `day` occurs here [INFO] [stderr] ... [INFO] [stderr] 34 | Some(1) => day1::day1(), [INFO] [stderr] | ^^^^^^^ use of borrowed `day` [INFO] [stderr] ... [INFO] [stderr] 62 | } [INFO] [stderr] | - borrow might be used here, when `parser` is dropped and runs the destructor for type `argparse::ArgumentParser<'_>` [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] warning[E0503]: cannot use `day.0` because it was mutably borrowed [INFO] [stderr] --> src/main.rs:34:14 [INFO] [stderr] | [INFO] [stderr] 29 | parser.refer(&mut day) [INFO] [stderr] | -------- borrow of `day` occurs here [INFO] [stderr] ... [INFO] [stderr] 34 | Some(1) => day1::day1(), [INFO] [stderr] | ^ use of borrowed `day` [INFO] [stderr] ... [INFO] [stderr] 62 | } [INFO] [stderr] | - borrow might be used here, when `parser` is dropped and runs the destructor for type `argparse::ArgumentParser<'_>` [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/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.advent2016.84ywrdvg-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc" "/opt/crater/target/debug/deps/advent2016-5448826646b5cdbc.4if7v5j8uuj4phh5.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/rust-crypto-93a2802bd587ab0f/out" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-ada1b1dfef82e36a.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-3de7276f0978141e.rlib" "/opt/crater/target/debug/deps/libregex_syntax-2080735d044bd450.rlib" "/opt/crater/target/debug/deps/libthread_local-d03492121d316e7e.rlib" "/opt/crater/target/debug/deps/libthread_id-c06b656078e19669.rlib" "/opt/crater/target/debug/deps/libaho_corasick-ed2c2bd88ebcc83a.rlib" "/opt/crater/target/debug/deps/libmemchr-5b2538804ca1b30d.rlib" "/opt/crater/target/debug/deps/liblazy_static-d1ab4248af637a21.rlib" "/opt/crater/target/debug/deps/liberror_chain-53588bdf7254921d.rlib" "/opt/crater/target/debug/deps/libbacktrace-c19266b10c22f71b.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-bf4cb481a47a028d.rlib" "/opt/crater/target/debug/deps/librustc_demangle-6917eb5c6fb1ba4f.rlib" "/opt/crater/target/debug/deps/libcfg_if-dd8e36b0bfa0c1f1.rlib" "/opt/crater/target/debug/deps/libdbghelp-a6acc9f0a368465f.rlib" "/opt/crater/target/debug/deps/libwinapi-6fcedc2d2f28cc0f.rlib" "/opt/crater/target/debug/deps/libkernel32-772fbdd4a4514fe6.rlib" "/opt/crater/target/debug/deps/libcrypto-2770d051fdff7bad.rlib" "/opt/crater/target/debug/deps/libtime-8f4ec3398cc03a91.rlib" "/opt/crater/target/debug/deps/librustc_serialize-88ffd2bf29db0895.rlib" "/opt/crater/target/debug/deps/librand-4eddd915a17eb0ae.rlib" "/opt/crater/target/debug/deps/liblibc-7362b1bf5a65e14c.rlib" "/opt/crater/target/debug/deps/libargparse-c9d66dd1e16f663c.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5eb7072357e3f704.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-be57a0a20ef83edc.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-53ea5c4d1e8787c5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-90a03fea645d1ca0.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d0be8ec5eb12a622.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-c9bd1ed65ad5f9b5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-232a620458cbc142.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-378c2daa95643520.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b1ad0e3b0cafff9a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bd92551ef79ec0f7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-6f92150ede6dcf89.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libbacktrace-c19266b10c22f71b.rlib(backtrace-c19266b10c22f71b.backtrace.8ian9xu3-cgu.5.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-c19266b10c22f71b.rlib(backtrace-c19266b10c22f71b.backtrace.8ian9xu3-cgu.5.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] For more information about this error, try `rustc --explain E0503`. [INFO] [stderr] error: Could not compile `advent2016`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d905d9e8c0867f77db240c9178a2525a6c602db05befc0666e621322662904a4"` [INFO] running `"docker" "rm" "-f" "d905d9e8c0867f77db240c9178a2525a6c602db05befc0666e621322662904a4"` [INFO] [stdout] d905d9e8c0867f77db240c9178a2525a6c602db05befc0666e621322662904a4