[INFO] fetching crate chipo 2.1.0... [INFO] extracting crate chipo 2.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/chipo/2.1.0 [INFO] extracting crate chipo 2.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chipo/2.1.0 [INFO] validating manifest of chipo-2.1.0 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 chipo-2.1.0 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 chipo-2.1.0 [INFO] finished frobbing chipo-2.1.0 [INFO] frobbed toml for chipo-2.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chipo/2.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing chipo-2.1.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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] 7b29adec8667fa8f8d3c6d66eaa3084e6c0ea5e68083545bb594ef22f746485c [INFO] running `"docker" "start" "-a" "7b29adec8667fa8f8d3c6d66eaa3084e6c0ea5e68083545bb594ef22f746485c"` [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 1.29s [INFO] running `"docker" "inspect" "7b29adec8667fa8f8d3c6d66eaa3084e6c0ea5e68083545bb594ef22f746485c"` [INFO] running `"docker" "rm" "-f" "7b29adec8667fa8f8d3c6d66eaa3084e6c0ea5e68083545bb594ef22f746485c"` [INFO] [stdout] 7b29adec8667fa8f8d3c6d66eaa3084e6c0ea5e68083545bb594ef22f746485c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "test" "--frozen" "--no-run"` [INFO] [stdout] 93df61c305ddc1b4466ead597d9b7953a2c8482a7f3f33c277534f38accd796e [INFO] running `"docker" "start" "-a" "93df61c305ddc1b4466ead597d9b7953a2c8482a7f3f33c277534f38accd796e"` [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:788:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5646a8d5c02b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5646a8d5c02b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5646a8d5c02b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5646a8d5c02b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5646a8d5c02b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x5646a8d5bd2c - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x5646a8d5c7a0 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x5646a8788be5 - std::panicking::begin_panic::h00156dd42dbbb6d4 [INFO] [stderr] 8: 0x5646a86698a1 - cargo::core::compiler::fingerprint::calculate::h8f71d9fdff04ba36 [INFO] [stderr] 9: 0x5646a8663db5 - cargo::core::compiler::fingerprint::prepare_target::h02e8d6ccb184df47 [INFO] [stderr] 10: 0x5646a874cc6e - cargo::core::compiler::compile::h28e723a485b3017c [INFO] [stderr] 11: 0x5646a874d326 - cargo::core::compiler::compile::h28e723a485b3017c [INFO] [stderr] 12: 0x5646a8804d07 - cargo::core::compiler::context::Context::compile::ha7ac5d540d40b99d [INFO] [stderr] 13: 0x5646a88b3781 - cargo::ops::cargo_compile::compile_ws::h361ce7d9227f6b80 [INFO] [stderr] 14: 0x5646a88b1fe7 - cargo::ops::cargo_compile::compile::h671fba63db4b4985 [INFO] [stderr] 15: 0x5646a881d57d - cargo::ops::cargo_test::run_tests::ha23516ec7f488a62 [INFO] [stderr] 16: 0x5646a84d911f - cargo::commands::test::exec::h518d74513f84bc88 [INFO] [stderr] 17: 0x5646a84b9ec6 - cargo::cli::main::h2f8fbfe7400be259 [INFO] [stderr] 18: 0x5646a84e2bcb - cargo::main::h53e9e024f614a5a4 [INFO] [stderr] 19: 0x5646a84da043 - std::rt::lang_start::{{closure}}::h04c161b2a4b85838 [INFO] [stderr] 20: 0x5646a8d5c1a3 - std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 21: 0x5646a8d5c1a3 - std::panicking::try::do_call::h84c4ef65129422bb [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 22: 0x5646a8d67f4a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 23: 0x5646a8d5cd6d - std::panicking::try::h2c4ddfbb8ee8ea48 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 24: 0x5646a8d5cd6d - std::panic::catch_unwind::hdaf4c8aaf8d806d4 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 25: 0x5646a8d5cd6d - std::rt::lang_start_internal::h62b0fb13d258520d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 26: 0x5646a84e5212 - main [INFO] [stderr] 27: 0x7f827dd4e2e1 - __libc_start_main [INFO] [stderr] 28: 0x5646a84b2029 - [INFO] running `"docker" "inspect" "93df61c305ddc1b4466ead597d9b7953a2c8482a7f3f33c277534f38accd796e"` [INFO] running `"docker" "rm" "-f" "93df61c305ddc1b4466ead597d9b7953a2c8482a7f3f33c277534f38accd796e"` [INFO] [stdout] 93df61c305ddc1b4466ead597d9b7953a2c8482a7f3f33c277534f38accd796e