[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 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] f6975bcd964947bedf59d3a6b0929fb29bf4550afbf23232ba357906a66ce38a [INFO] running `"docker" "start" "-a" "f6975bcd964947bedf59d3a6b0929fb29bf4550afbf23232ba357906a66ce38a"` [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 1.60s [INFO] running `"docker" "inspect" "f6975bcd964947bedf59d3a6b0929fb29bf4550afbf23232ba357906a66ce38a"` [INFO] running `"docker" "rm" "-f" "f6975bcd964947bedf59d3a6b0929fb29bf4550afbf23232ba357906a66ce38a"` [INFO] [stdout] f6975bcd964947bedf59d3a6b0929fb29bf4550afbf23232ba357906a66ce38a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ad52e8b71d6b233dabf5176c6fcd7e910f63ebfd7cfa4e9cb5edcc4ba5c29493 [INFO] running `"docker" "start" "-a" "ad52e8b71d6b233dabf5176c6fcd7e910f63ebfd7cfa4e9cb5edcc4ba5c29493"` [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:779:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e352db1c2b - 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: 0x55e352db1c2b - 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: 0x55e352db1c2b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55e352db1c2b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55e352db1c2b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55e352db1907 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55e352db23a0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55e3527c7405 - std::panicking::begin_panic::h884c38120df5a44c [INFO] [stderr] 8: 0x55e352690227 - cargo::core::compiler::fingerprint::calculate::haea1c754523fd07c [INFO] [stderr] 9: 0x55e352688565 - cargo::core::compiler::fingerprint::prepare_target::h7d28e27fc573aebb [INFO] [stderr] 10: 0x55e352795d7b - cargo::core::compiler::compile::h43e2b504b4ec1625 [INFO] [stderr] 11: 0x55e3527963e1 - cargo::core::compiler::compile::h43e2b504b4ec1625 [INFO] [stderr] 12: 0x55e352849cf7 - cargo::core::compiler::context::Context::compile::hc42f4803153074a7 [INFO] [stderr] 13: 0x55e352571cdf - cargo::ops::cargo_compile::compile_ws::h3189d960a8c32e6c [INFO] [stderr] 14: 0x55e352570837 - cargo::ops::cargo_compile::compile::hdc2ffb435a9a2791 [INFO] [stderr] 15: 0x55e35285fbeb - cargo::ops::cargo_test::run_tests::h9f9c32d40364db56 [INFO] [stderr] 16: 0x55e352509d3f - cargo::commands::test::exec::h3812b322f5edffc7 [INFO] [stderr] 17: 0x55e3524ed5fc - cargo::cli::main::h505e378df728f7d5 [INFO] [stderr] 18: 0x55e352532feb - cargo::main::hb9c4c681b2367cac [INFO] [stderr] 19: 0x55e3525018a3 - std::rt::lang_start::{{closure}}::hb79a7488e3fd8571 [INFO] [stderr] 20: 0x55e352db1da3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 21: 0x55e352db1da3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 22: 0x55e352dbd4fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 23: 0x55e352db296d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 24: 0x55e352db296d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 25: 0x55e352db296d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 26: 0x55e352535b92 - main [INFO] [stderr] 27: 0x7f951b3252e1 - __libc_start_main [INFO] [stderr] 28: 0x55e3524df029 - [INFO] running `"docker" "inspect" "ad52e8b71d6b233dabf5176c6fcd7e910f63ebfd7cfa4e9cb5edcc4ba5c29493"` [INFO] running `"docker" "rm" "-f" "ad52e8b71d6b233dabf5176c6fcd7e910f63ebfd7cfa4e9cb5edcc4ba5c29493"` [INFO] [stdout] ad52e8b71d6b233dabf5176c6fcd7e910f63ebfd7cfa4e9cb5edcc4ba5c29493