[INFO] fetching crate lang_extension 1.0.1...
[INFO] testing lang_extension-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lang_extension 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lang_extension 1.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lang_extension 1.0.1
[INFO] finished tweaking crates.io crate lang_extension 1.0.1
[INFO] tweaked toml for crates.io crate lang_extension 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 854a621839e7be2b7c9b1593968afa836d3885467665ed2914d99a9eb6f7e58d
[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" "854a621839e7be2b7c9b1593968afa836d3885467665ed2914d99a9eb6f7e58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "854a621839e7be2b7c9b1593968afa836d3885467665ed2914d99a9eb6f7e58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854a621839e7be2b7c9b1593968afa836d3885467665ed2914d99a9eb6f7e58d", kill_on_drop: false }`
[INFO] [stdout] 854a621839e7be2b7c9b1593968afa836d3885467665ed2914d99a9eb6f7e58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f5e979ef93d2b60611be128e0b39071d5d81b6c75b610e0a571e88ad9090e5
[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" "19f5e979ef93d2b60611be128e0b39071d5d81b6c75b610e0a571e88ad9090e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang_extension v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "19f5e979ef93d2b60611be128e0b39071d5d81b6c75b610e0a571e88ad9090e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f5e979ef93d2b60611be128e0b39071d5d81b6c75b610e0a571e88ad9090e5", kill_on_drop: false }`
[INFO] [stdout] 19f5e979ef93d2b60611be128e0b39071d5d81b6c75b610e0a571e88ad9090e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af6d30cc48a92c1a7a12b9f2ef73e4de5798bed66e48d849e2258862b011655
[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" "3af6d30cc48a92c1a7a12b9f2ef73e4de5798bed66e48d849e2258862b011655", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang_extension v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "3af6d30cc48a92c1a7a12b9f2ef73e4de5798bed66e48d849e2258862b011655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af6d30cc48a92c1a7a12b9f2ef73e4de5798bed66e48d849e2258862b011655", kill_on_drop: false }`
[INFO] [stdout] 3af6d30cc48a92c1a7a12b9f2ef73e4de5798bed66e48d849e2258862b011655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f561ec0b36c4f8c528b3f1f2a5e289af0a08074ec54c57cf5889a8d56464c07
[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" "5f561ec0b36c4f8c528b3f1f2a5e289af0a08074ec54c57cf5889a8d56464c07", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lang_extension-f2d31d841a33d75d
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test any::key::tests::hashmap ... ok
[INFO] [stdout] test any::value::tests::as_trait_as_boxed ... ok
[INFO] [stdout] test any::value::tests::clone ... ok
[INFO] [stdout] test any::tests::any_extension ... ok
[INFO] [stdout] test convert::type_convert::tests::type_convert ... ok
[INFO] [stdout] test any::value::tests::eq ... ok
[INFO] [stdout] test convert::value_filter::tests::value_filter_test ... ok
[INFO] [stdout] test tests::macro_repeat ... ok
[INFO] [stdout] test any::tests::as_any ... ok
[INFO] [stdout] test any::value::tests::debug ... ok
[INFO] [stdout] test fmt::tests::to_string ... ok
[INFO] [stdout] test sync::arc_boxed::tests::arc_boxed ... ok
[INFO] [stdout] test fmt::tests::to_debug_string ... ok
[INFO] [stdout] test fmt::tests::to_instance_string ... ok
[INFO] [stdout] test any::key::tests::hashcode ... ok
[INFO] [stdout] test any::immutable::tests::immutable_key ... ok
[INFO] [stdout] test any::immutable::tests::immutable_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lang_extension
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f561ec0b36c4f8c528b3f1f2a5e289af0a08074ec54c57cf5889a8d56464c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f561ec0b36c4f8c528b3f1f2a5e289af0a08074ec54c57cf5889a8d56464c07", kill_on_drop: false }`
[INFO] [stdout] 5f561ec0b36c4f8c528b3f1f2a5e289af0a08074ec54c57cf5889a8d56464c07