[INFO] fetching crate chipo 2.1.0...
[INFO] testing chipo-2.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate chipo 2.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate chipo 2.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js-sys v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f590cc0d4bd9f0b842493a03c8679f475d63258f8b5b72cddb1d2afb82ebf516
[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" "f590cc0d4bd9f0b842493a03c8679f475d63258f8b5b72cddb1d2afb82ebf516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f590cc0d4bd9f0b842493a03c8679f475d63258f8b5b72cddb1d2afb82ebf516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f590cc0d4bd9f0b842493a03c8679f475d63258f8b5b72cddb1d2afb82ebf516", kill_on_drop: false }`
[INFO] [stdout] f590cc0d4bd9f0b842493a03c8679f475d63258f8b5b72cddb1d2afb82ebf516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b356f60b27feb6921832247e798c635beb748c5c77fe92dedd5350197de3c7
[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" "48b356f60b27feb6921832247e798c635beb748c5c77fe92dedd5350197de3c7", 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 chipo v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "48b356f60b27feb6921832247e798c635beb748c5c77fe92dedd5350197de3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b356f60b27feb6921832247e798c635beb748c5c77fe92dedd5350197de3c7", kill_on_drop: false }`
[INFO] [stdout] 48b356f60b27feb6921832247e798c635beb748c5c77fe92dedd5350197de3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--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] ad66a36fc96a645315fd46bc19b4154d6b6a8db4ec7315f455ede3779e382d12
[INFO] running `Command { std: "docker" "start" "-a" "ad66a36fc96a645315fd46bc19b4154d6b6a8db4ec7315f455ede3779e382d12", 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:987:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ede3ea4140 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55ede3ea4140 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ede3ea4140 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55ede3ea4140 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55ede3ece30c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55ede3e9b3c2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55ede3ea810d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55ede3ea810d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55ede3ea810d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55ede3ea7db8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55ede3ea87f1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55ede3695524 - std::panicking::begin_panic::{{closure}}::ha745e936c81581d5
[INFO] [stderr]   12:     0x55ede36949ec - std::sys_common::backtrace::__rust_end_short_backtrace::h974eb95c2f179ce4
[INFO] [stderr]   13:     0x55ede37cb0dc - std::panicking::begin_panic::h0780bf9cf5cb0071
[INFO] [stderr]   14:     0x55ede377ff7f - cargo::core::compiler::fingerprint::calculate::hc8bf96acf44d2fa8
[INFO] [stderr]   15:     0x55ede37775ef - cargo::core::compiler::fingerprint::prepare_target::h06736ebbf95729fd
[INFO] [stderr]   16:     0x55ede38b30c2 - cargo::core::compiler::compile::hd2400a6db117125a
[INFO] [stderr]   17:     0x55ede38b32e5 - cargo::core::compiler::compile::hd2400a6db117125a
[INFO] [stderr]   18:     0x55ede3661f7e - cargo::core::compiler::context::Context::compile::h4487712fdc53167c
[INFO] [stderr]   19:     0x55ede3629461 - cargo::ops::cargo_compile::compile_ws::h982ab207c94714a9
[INFO] [stderr]   20:     0x55ede36291be - cargo::ops::cargo_compile::compile::h675050bbc26c0be9
[INFO] [stderr]   21:     0x55ede39990b2 - cargo::ops::cargo_test::compile_tests::h900431768ff83b8a
[INFO] [stderr]   22:     0x55ede3995eff - cargo::ops::cargo_test::run_tests::h8361b34c858ad738
[INFO] [stderr]   23:     0x55ede359747d - cargo::commands::test::exec::h2351078c84ddd153
[INFO] [stderr]   24:     0x55ede35b3667 - cargo::cli::main::h722702379b79d402
[INFO] [stderr]   25:     0x55ede354fb1f - cargo::main::h6bd5c7cc1c6693bc
[INFO] [stderr]   26:     0x55ede35a3223 - std::sys_common::backtrace::__rust_begin_short_backtrace::h793b5e5fde3c87b7
[INFO] [stderr]   27:     0x55ede35a34a9 - std::rt::lang_start::{{closure}}::h774365bee1b96991
[INFO] [stderr]   28:     0x55ede3ea8d07 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]   29:     0x55ede3ea8d07 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   30:     0x55ede3ea8d07 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   31:     0x55ede3ea8d07 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   32:     0x55ede3ea8d07 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]   33:     0x55ede35526d2 - main
[INFO] [stderr]   34:     0x7fe9cf0930b3 - __libc_start_main
[INFO] [stderr]   35:     0x55ede3541071 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ad66a36fc96a645315fd46bc19b4154d6b6a8db4ec7315f455ede3779e382d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad66a36fc96a645315fd46bc19b4154d6b6a8db4ec7315f455ede3779e382d12", kill_on_drop: false }`
[INFO] [stdout] ad66a36fc96a645315fd46bc19b4154d6b6a8db4ec7315f455ede3779e382d12
