[INFO] fetching crate benchmark-counters 0.2.0...
[INFO] testing benchmark-counters-0.2.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate benchmark-counters 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate benchmark-counters 0.2.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate benchmark-counters 0.2.0
[INFO] finished tweaking crates.io crate benchmark-counters 0.2.0
[INFO] tweaked toml for crates.io crate benchmark-counters 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 958b3855bcb91d3c7c7d794c11211c17a8fe1bb8d02a3079eefb87c7a3c16435
[INFO] running `Command { std: "docker" "start" "-a" "958b3855bcb91d3c7c7d794c11211c17a8fe1bb8d02a3079eefb87c7a3c16435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "958b3855bcb91d3c7c7d794c11211c17a8fe1bb8d02a3079eefb87c7a3c16435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958b3855bcb91d3c7c7d794c11211c17a8fe1bb8d02a3079eefb87c7a3c16435", kill_on_drop: false }`
[INFO] [stdout] 958b3855bcb91d3c7c7d794c11211c17a8fe1bb8d02a3079eefb87c7a3c16435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c83707ad7633b1c31193dc76a2d09312d0c0cb36607421744d5c13cead4f19de
[INFO] running `Command { std: "docker" "start" "-a" "c83707ad7633b1c31193dc76a2d09312d0c0cb36607421744d5c13cead4f19de", kill_on_drop: false }`
[INFO] [stderr]    Compiling benchmark-counters v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "c83707ad7633b1c31193dc76a2d09312d0c0cb36607421744d5c13cead4f19de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83707ad7633b1c31193dc76a2d09312d0c0cb36607421744d5c13cead4f19de", kill_on_drop: false }`
[INFO] [stdout] c83707ad7633b1c31193dc76a2d09312d0c0cb36607421744d5c13cead4f19de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1789d3bdcc2ee325df26e0e93d513d50cd145bbf25513ff018f9821a45a6564b
[INFO] running `Command { std: "docker" "start" "-a" "1789d3bdcc2ee325df26e0e93d513d50cd145bbf25513ff018f9821a45a6564b", kill_on_drop: false }`
[INFO] [stderr]    Compiling benchmark-counters v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1789d3bdcc2ee325df26e0e93d513d50cd145bbf25513ff018f9821a45a6564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1789d3bdcc2ee325df26e0e93d513d50cd145bbf25513ff018f9821a45a6564b", kill_on_drop: false }`
[INFO] [stdout] 1789d3bdcc2ee325df26e0e93d513d50cd145bbf25513ff018f9821a45a6564b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15ea39f9d0d4548ec2b50f63cdd29d644695e919edfe079e1780f56c2724350b
[INFO] running `Command { std: "docker" "start" "-a" "15ea39f9d0d4548ec2b50f63cdd29d644695e919edfe079e1780f56c2724350b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/benchmark_counters-c54c6f0b553ef1e4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'measurement::tests::test_empty' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/benchmark_counters-c54c6f0b553ef1e4` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "15ea39f9d0d4548ec2b50f63cdd29d644695e919edfe079e1780f56c2724350b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ea39f9d0d4548ec2b50f63cdd29d644695e919edfe079e1780f56c2724350b", kill_on_drop: false }`
[INFO] [stdout] 15ea39f9d0d4548ec2b50f63cdd29d644695e919edfe079e1780f56c2724350b
