[INFO] fetching crate test_process_executor 0.1.0...
[INFO] testing test_process_executor-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate test_process_executor 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate test_process_executor 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_process_executor 0.1.0
[INFO] finished tweaking crates.io crate test_process_executor 0.1.0
[INFO] tweaked toml for crates.io crate test_process_executor 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 306bf144e982086adee7b99dd30a04d630d24c0e84501a6d252537b7aa19804d
[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" "306bf144e982086adee7b99dd30a04d630d24c0e84501a6d252537b7aa19804d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "306bf144e982086adee7b99dd30a04d630d24c0e84501a6d252537b7aa19804d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306bf144e982086adee7b99dd30a04d630d24c0e84501a6d252537b7aa19804d", kill_on_drop: false }`
[INFO] [stdout] 306bf144e982086adee7b99dd30a04d630d24c0e84501a6d252537b7aa19804d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] bffb9de729627b04d4b51efcd792343db4ce8298f76dda82bbdd60b7e5393591
[INFO] running `Command { std: "docker" "start" "-a" "bffb9de729627b04d4b51efcd792343db4ce8298f76dda82bbdd60b7e5393591", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling test_process_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "bffb9de729627b04d4b51efcd792343db4ce8298f76dda82bbdd60b7e5393591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffb9de729627b04d4b51efcd792343db4ce8298f76dda82bbdd60b7e5393591", kill_on_drop: false }`
[INFO] [stdout] bffb9de729627b04d4b51efcd792343db4ce8298f76dda82bbdd60b7e5393591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcda5520fd928fddf77ea352d5379e2845cd0cb7a07b8ed52efc2fd21d720fe6
[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" "fcda5520fd928fddf77ea352d5379e2845cd0cb7a07b8ed52efc2fd21d720fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_process_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "fcda5520fd928fddf77ea352d5379e2845cd0cb7a07b8ed52efc2fd21d720fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcda5520fd928fddf77ea352d5379e2845cd0cb7a07b8ed52efc2fd21d720fe6", kill_on_drop: false }`
[INFO] [stdout] fcda5520fd928fddf77ea352d5379e2845cd0cb7a07b8ed52efc2fd21d720fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f355d6755a99d2accbcf713c0c5a3beacb6563e1d2bff6321702dd59d2f3fb10
[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" "f355d6755a99d2accbcf713c0c5a3beacb6563e1d2bff6321702dd59d2f3fb10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_process_executor-c6f5a8aca85b3442
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::export_right_environment_variable ... ok
[INFO] [stderr]    Doc-tests test_process_executor
[INFO] [stdout] test tests::export_wrong_environment_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f355d6755a99d2accbcf713c0c5a3beacb6563e1d2bff6321702dd59d2f3fb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f355d6755a99d2accbcf713c0c5a3beacb6563e1d2bff6321702dd59d2f3fb10", kill_on_drop: false }`
[INFO] [stdout] f355d6755a99d2accbcf713c0c5a3beacb6563e1d2bff6321702dd59d2f3fb10