[INFO] crate greenthread-future 0.1.0 is already in cache
[INFO] testing greenthread-future-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate greenthread-future 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate greenthread-future 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate greenthread-future 0.1.0
[INFO] finished tweaking crates.io crate greenthread-future 0.1.0
[INFO] tweaked toml for crates.io crate greenthread-future 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1994a229a8e63d0743765fa5330ca073792e9a8f9612e30d7ca756f980dbc329
[INFO] running `"docker" "start" "-a" "1994a229a8e63d0743765fa5330ca073792e9a8f9612e30d7ca756f980dbc329"`
[INFO] [stderr]    Compiling greenthread-future v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "1994a229a8e63d0743765fa5330ca073792e9a8f9612e30d7ca756f980dbc329"`
[INFO] running `"docker" "rm" "-f" "1994a229a8e63d0743765fa5330ca073792e9a8f9612e30d7ca756f980dbc329"`
[INFO] [stdout] 1994a229a8e63d0743765fa5330ca073792e9a8f9612e30d7ca756f980dbc329
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee3e7194273a3dcae4e569e9c23cefdf89dde12a11b3b019a299c50abaec4877
[INFO] running `"docker" "start" "-a" "ee3e7194273a3dcae4e569e9c23cefdf89dde12a11b3b019a299c50abaec4877"`
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling greenthread-future v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.88s
[INFO] running `"docker" "inspect" "ee3e7194273a3dcae4e569e9c23cefdf89dde12a11b3b019a299c50abaec4877"`
[INFO] running `"docker" "rm" "-f" "ee3e7194273a3dcae4e569e9c23cefdf89dde12a11b3b019a299c50abaec4877"`
[INFO] [stdout] ee3e7194273a3dcae4e569e9c23cefdf89dde12a11b3b019a299c50abaec4877
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f53ea297a11889368983fac78e2223733fedca496707447437a3a406ed9bcbc7
[INFO] running `"docker" "start" "-a" "f53ea297a11889368983fac78e2223733fedca496707447437a3a406ed9bcbc7"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/greenthread_future-65ba2f55de59243e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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/greenthread_future-65ba2f55de59243e` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `"docker" "inspect" "f53ea297a11889368983fac78e2223733fedca496707447437a3a406ed9bcbc7"`
[INFO] running `"docker" "rm" "-f" "f53ea297a11889368983fac78e2223733fedca496707447437a3a406ed9bcbc7"`
[INFO] [stdout] f53ea297a11889368983fac78e2223733fedca496707447437a3a406ed9bcbc7