[INFO] crate chipo 2.1.0 is already in cache [INFO] extracting crate chipo 2.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/chipo/2.1.0 [INFO] extracting crate chipo 2.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chipo/2.1.0 [INFO] validating manifest of chipo-2.1.0 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 chipo-2.1.0 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 chipo-2.1.0 [INFO] finished frobbing chipo-2.1.0 [INFO] frobbed toml for chipo-2.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/chipo/2.1.0/Cargo.toml [INFO] started frobbing chipo-2.1.0 [INFO] finished frobbing chipo-2.1.0 [INFO] frobbed toml for chipo-2.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chipo/2.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 chipo-2.1.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chipo/2.1.0:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 9d546a3d40c4d6ab8ac529dd2f35c2a7ec4bce21f64f21e146c2003a289dfd69 [INFO] running `"docker" "start" "-a" "9d546a3d40c4d6ab8ac529dd2f35c2a7ec4bce21f64f21e146c2003a289dfd69"` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/crater/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/crater/workdir)`. [INFO] [stderr] Colliding filename is: /opt/crater/target/debug/deps/libchipo.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/crater/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/crater/workdir)`. [INFO] [stderr] Colliding filename is: /opt/crater/target/debug/libchipo.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] Compiling chipo v2.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `"docker" "inspect" "9d546a3d40c4d6ab8ac529dd2f35c2a7ec4bce21f64f21e146c2003a289dfd69"` [INFO] running `"docker" "rm" "-f" "9d546a3d40c4d6ab8ac529dd2f35c2a7ec4bce21f64f21e146c2003a289dfd69"` [INFO] [stdout] 9d546a3d40c4d6ab8ac529dd2f35c2a7ec4bce21f64f21e146c2003a289dfd69 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chipo/2.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] e8d282a38eb3bceed3fff6be7a7aa32d0611f3c5b28f953d9dcf739315d1327c [INFO] running `"docker" "start" "-a" "e8d282a38eb3bceed3fff6be7a7aa32d0611f3c5b28f953d9dcf739315d1327c"` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/crater/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/crater/workdir)`. [INFO] [stderr] Colliding filename is: /opt/crater/target/debug/deps/libchipo.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] thread 'main' panicked at 'assertion failed: mtimes.insert(output.clone(), mtime).is_none()', src/tools/cargo/src/cargo/core/compiler/fingerprint.rs:786:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5584d48800cb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5584d48800cb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5584d48800cb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5584d48800cb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5584d48800cb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5584d487fda6 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5584d488083d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5584d42beb85 - std::panicking::begin_panic::h5d82f0221eefc3e7 [INFO] [stderr] 8: 0x5584d42108f7 - cargo::core::compiler::fingerprint::calculate::hf8f33d60bb8e01eb [INFO] [stderr] 9: 0x5584d420a93f - cargo::core::compiler::fingerprint::prepare_target::hf06fd42d486d7e23 [INFO] [stderr] 10: 0x5584d42dc6d9 - cargo::core::compiler::compile::hbbb1140b5f310ca2 [INFO] [stderr] 11: 0x5584d42dcecb - cargo::core::compiler::compile::hbbb1140b5f310ca2 [INFO] [stderr] 12: 0x5584d439dac6 - cargo::core::compiler::context::Context::compile::hc226b893e94d73b2 [INFO] [stderr] 13: 0x5584d40ee2c7 - cargo::ops::cargo_compile::compile_ws::h1877673c8f441f19 [INFO] [stderr] 14: 0x5584d40e9df7 - cargo::ops::cargo_compile::compile::h90e4c56be4bda8d9 [INFO] [stderr] 15: 0x5584d43b8f5f - cargo::ops::cargo_test::run_tests::h655cdebca1d9c3b5 [INFO] [stderr] 16: 0x5584d3ff61ff - cargo::commands::test::exec::h2fc2c06656ea6220 [INFO] [stderr] 17: 0x5584d3fc8e68 - cargo::cli::main::h91f73e7470a0f4d1 [INFO] [stderr] 18: 0x5584d4012921 - cargo::main::h74982727c65fa92f [INFO] [stderr] 19: 0x5584d3fec983 - std::rt::lang_start::{{closure}}::ha097551ca69ca043 [INFO] [stderr] 20: 0x5584d4880243 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 21: 0x5584d4880243 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 22: 0x5584d488baba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 23: 0x5584d4880e0d - std::panicking::try::h4af22d9cb0afa351 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 24: 0x5584d4880e0d - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 25: 0x5584d4880e0d - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 26: 0x5584d4014d72 - main [INFO] [stderr] 27: 0x7fde8c63d2e1 - __libc_start_main [INFO] [stderr] 28: 0x5584d3fac029 - [INFO] running `"docker" "inspect" "e8d282a38eb3bceed3fff6be7a7aa32d0611f3c5b28f953d9dcf739315d1327c"` [INFO] running `"docker" "rm" "-f" "e8d282a38eb3bceed3fff6be7a7aa32d0611f3c5b28f953d9dcf739315d1327c"` [INFO] [stdout] e8d282a38eb3bceed3fff6be7a7aa32d0611f3c5b28f953d9dcf739315d1327c