[INFO] fetching crate chipo 2.1.0...
[INFO] building chipo-2.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate chipo 2.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate chipo 2.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chipo 2.1.0
[INFO] finished tweaking crates.io crate chipo 2.1.0
[INFO] tweaked toml for crates.io crate chipo 2.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83f85e4f208780064b07de5a057ccbdbece69c5547844cc2f105df4a4e14d45f
[INFO] running `Command { std: "docker" "start" "-a" "83f85e4f208780064b07de5a057ccbdbece69c5547844cc2f105df4a4e14d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f85e4f208780064b07de5a057ccbdbece69c5547844cc2f105df4a4e14d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f85e4f208780064b07de5a057ccbdbece69c5547844cc2f105df4a4e14d45f", kill_on_drop: false }`
[INFO] [stdout] 83f85e4f208780064b07de5a057ccbdbece69c5547844cc2f105df4a4e14d45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 200fa5ea8fc85896f1aaa16f27a37ff793e0511c9f5866321e750973bfbee8a7
[INFO] running `Command { std: "docker" "start" "-a" "200fa5ea8fc85896f1aaa16f27a37ff793e0511c9f5866321e750973bfbee8a7", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/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 <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/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 <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling chipo v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "200fa5ea8fc85896f1aaa16f27a37ff793e0511c9f5866321e750973bfbee8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200fa5ea8fc85896f1aaa16f27a37ff793e0511c9f5866321e750973bfbee8a7", kill_on_drop: false }`
[INFO] [stdout] 200fa5ea8fc85896f1aaa16f27a37ff793e0511c9f5866321e750973bfbee8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19fb45c819a32e408cb3ca4a6c8f2733338d96b49a933f37bb60b82e8c2edfe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d19fb45c819a32e408cb3ca4a6c8f2733338d96b49a933f37bb60b82e8c2edfe", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/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 <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] thread 'main' panicked at 'assertion failed: mtimes.insert(output.clone(), mtime).is_none()', src/tools/cargo/src/cargo/core/compiler/fingerprint.rs:1020:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55d21fea1660 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x55d21fea1660 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55d21fea1660 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x55d21fea1660 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x55d21fecb25f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]    5:     0x55d21fe99835 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]    6:     0x55d21fea44db - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x55d21fea44db - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x55d21fea44db - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x55d21fea3fbd - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x55d21fea4a8d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:591:17
[INFO] [stderr]   11:     0x55d21fea4657 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:495:13
[INFO] [stderr]   12:     0x55d21fea1b1c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   13:     0x55d21fea45e9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:493:5
[INFO] [stderr]   14:     0x55d21f552b71 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/panicking.rs:92:14
[INFO] [stderr]   15:     0x55d21f552abd - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/panicking.rs:50:5
[INFO] [stderr]   16:     0x55d21f7d16d0 - cargo::core::compiler::fingerprint::calculate::h4233445f8fc2a906
[INFO] [stderr]   17:     0x55d21f7c8c64 - cargo::core::compiler::fingerprint::prepare_target::h921c9f52ca0235c0
[INFO] [stderr]   18:     0x55d21f914652 - cargo::core::compiler::compile::hcaeda9f08e4d83db
[INFO] [stderr]   19:     0x55d21f91490d - cargo::core::compiler::compile::hcaeda9f08e4d83db
[INFO] [stderr]   20:     0x55d21f640f9c - cargo::core::compiler::context::Context::compile::hf4101078d21ba3d1
[INFO] [stderr]   21:     0x55d21f8e0a38 - cargo::ops::cargo_compile::compile_ws::he9c1e8e0e8dcd370
[INFO] [stderr]   22:     0x55d21f8e06ce - cargo::ops::cargo_compile::compile::h438bd9d58b2398ea
[INFO] [stderr]   23:     0x55d21f9997d2 - cargo::ops::cargo_test::run_tests::h5403bc8470a81908
[INFO] [stderr]   24:     0x55d21f5c332e - cargo::commands::test::exec::h37712a8ae07073bb
[INFO] [stderr]   25:     0x55d21f5601e5 - cargo::cli::main::h1da2be691f18b448
[INFO] [stderr]   26:     0x55d21f56ae44 - cargo::main::hc15b136bba32aaaf
[INFO] [stderr]   27:     0x55d21f55adb3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h71c453d83157ba2e
[INFO] [stderr]   28:     0x55d21f55af99 - std::rt::lang_start::{{closure}}::h363f412f1cde5f58
[INFO] [stderr]   29:     0x55d21fea4f8a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:259:13
[INFO] [stderr]   30:     0x55d21fea4f8a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:379:40
[INFO] [stderr]   31:     0x55d21fea4f8a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:343:19
[INFO] [stderr]   32:     0x55d21fea4f8a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panic.rs:431:14
[INFO] [stderr]   33:     0x55d21fea4f8a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:34:21
[INFO] [stderr]   34:     0x55d21f56cec2 - main
[INFO] [stderr]   35:     0x7f81787730b3 - __libc_start_main
[INFO] [stderr]   36:     0x55d21f553351 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "d19fb45c819a32e408cb3ca4a6c8f2733338d96b49a933f37bb60b82e8c2edfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19fb45c819a32e408cb3ca4a6c8f2733338d96b49a933f37bb60b82e8c2edfe", kill_on_drop: false }`
[INFO] [stdout] d19fb45c819a32e408cb3ca4a6c8f2733338d96b49a933f37bb60b82e8c2edfe
