[INFO] fetching crate chipo 2.1.0...
[INFO] testing chipo-2.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate chipo 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chipo 2.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb7959bab7face7c45b4a88a99276ff5af27fa63363d7a078a1c8d338bebe8af
[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" "fb7959bab7face7c45b4a88a99276ff5af27fa63363d7a078a1c8d338bebe8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb7959bab7face7c45b4a88a99276ff5af27fa63363d7a078a1c8d338bebe8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7959bab7face7c45b4a88a99276ff5af27fa63363d7a078a1c8d338bebe8af", kill_on_drop: false }`
[INFO] [stdout] fb7959bab7face7c45b4a88a99276ff5af27fa63363d7a078a1c8d338bebe8af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "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] 3665906e1a53ef1e6ec3b8b3a1e31d6de91bba435eef571831e950993259766e
[INFO] running `Command { std: "docker" "start" "-a" "3665906e1a53ef1e6ec3b8b3a1e31d6de91bba435eef571831e950993259766e", 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 1.67s
[INFO] running `Command { std: "docker" "inspect" "3665906e1a53ef1e6ec3b8b3a1e31d6de91bba435eef571831e950993259766e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3665906e1a53ef1e6ec3b8b3a1e31d6de91bba435eef571831e950993259766e", kill_on_drop: false }`
[INFO] [stdout] 3665906e1a53ef1e6ec3b8b3a1e31d6de91bba435eef571831e950993259766e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5ed267627be8b33fb26fb71188b6da59c0cd0c54f69200e71a4f29f31ec147a
[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" "e5ed267627be8b33fb26fb71188b6da59c0cd0c54f69200e71a4f29f31ec147a", 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:     0x55e72ec17f10 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55e72ec17f10 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e72ec17f10 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55e72ec17f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55e72ec42e1c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x55e72ec0f937 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x55e72ec1bfb0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55e72ec1bfb0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55e72ec1bfb0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x55e72ec1bcfc - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x55e72ec1c613 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x55e72e40aac4 - std::panicking::begin_panic::{{closure}}::h0b4566aa24d36501
[INFO] [stderr]   12:     0x55e72e409aec - std::sys_common::backtrace::__rust_end_short_backtrace::h5a70ae604410cb72
[INFO] [stderr]   13:     0x55e72e4af22c - std::panicking::begin_panic::h1cbb54154134627d
[INFO] [stderr]   14:     0x55e72e50022f - cargo::core::compiler::fingerprint::calculate::h9f15a363d847d787
[INFO] [stderr]   15:     0x55e72e4f7683 - cargo::core::compiler::fingerprint::prepare_target::h1948dffeba8be164
[INFO] [stderr]   16:     0x55e72e695afc - cargo::core::compiler::compile::he431d59ec85ba999
[INFO] [stderr]   17:     0x55e72e695d41 - cargo::core::compiler::compile::he431d59ec85ba999
[INFO] [stderr]   18:     0x55e72e3d7c98 - cargo::core::compiler::context::Context::compile::h65006632cfe06223
[INFO] [stderr]   19:     0x55e72e39cc71 - cargo::ops::cargo_compile::compile_ws::h17295f9f5aa7d168
[INFO] [stderr]   20:     0x55e72e39c9ce - cargo::ops::cargo_compile::compile::h495f2773be86d3ce
[INFO] [stderr]   21:     0x55e72e712086 - cargo::ops::cargo_test::run_tests::hda1980408c4e2be2
[INFO] [stderr]   22:     0x55e72e302ead - cargo::commands::test::exec::h1b327c9a9db84252
[INFO] [stderr]   23:     0x55e72e2b1b00 - cargo::cli::main::h7344278375def70c
[INFO] [stderr]   24:     0x55e72e316ea8 - cargo::main::hf771f78e891b81ee
[INFO] [stderr]   25:     0x55e72e30bcd3 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb242e5c765249f92
[INFO] [stderr]   26:     0x55e72e30bf39 - std::rt::lang_start::{{closure}}::h9fa190d0d01c6c3a
[INFO] [stderr]   27:     0x55e72ec1cae1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]   28:     0x55e72ec1cae1 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   29:     0x55e72ec1cae1 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   30:     0x55e72ec1cae1 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   31:     0x55e72ec1cae1 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]   32:     0x55e72e319632 - main
[INFO] [stderr]   33:     0x7f43dfb920b3 - __libc_start_main
[INFO] [stderr]   34:     0x55e72e2a6071 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e5ed267627be8b33fb26fb71188b6da59c0cd0c54f69200e71a4f29f31ec147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ed267627be8b33fb26fb71188b6da59c0cd0c54f69200e71a4f29f31ec147a", kill_on_drop: false }`
[INFO] [stdout] e5ed267627be8b33fb26fb71188b6da59c0cd0c54f69200e71a4f29f31ec147a
