[INFO] fetching crate downcast-rs 1.2.0...
[INFO] testing downcast-rs-1.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate downcast-rs 1.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate downcast-rs 1.2.0 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 downcast-rs 1.2.0
[INFO] finished tweaking crates.io crate downcast-rs 1.2.0
[INFO] tweaked toml for crates.io crate downcast-rs 1.2.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b034bbd2f37c5fde29facc02a3852058113c299b0847aea58553aaa2dd7087e
[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" "3b034bbd2f37c5fde29facc02a3852058113c299b0847aea58553aaa2dd7087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b034bbd2f37c5fde29facc02a3852058113c299b0847aea58553aaa2dd7087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b034bbd2f37c5fde29facc02a3852058113c299b0847aea58553aaa2dd7087e", kill_on_drop: false }`
[INFO] [stdout] 3b034bbd2f37c5fde29facc02a3852058113c299b0847aea58553aaa2dd7087e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018a7c42bc64b65dea1dd05e578ed6e6819244433d51aadfc0a6cd6460a5818e
[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" "018a7c42bc64b65dea1dd05e578ed6e6819244433d51aadfc0a6cd6460a5818e", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "018a7c42bc64b65dea1dd05e578ed6e6819244433d51aadfc0a6cd6460a5818e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018a7c42bc64b65dea1dd05e578ed6e6819244433d51aadfc0a6cd6460a5818e", kill_on_drop: false }`
[INFO] [stdout] 018a7c42bc64b65dea1dd05e578ed6e6819244433d51aadfc0a6cd6460a5818e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d5266485c2ebd8d7406d203c56015f45f0b9c6f5bb013be1b0a2a0700a303c
[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" "55d5266485c2ebd8d7406d203c56015f45f0b9c6f5bb013be1b0a2a0700a303c", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "55d5266485c2ebd8d7406d203c56015f45f0b9c6f5bb013be1b0a2a0700a303c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d5266485c2ebd8d7406d203c56015f45f0b9c6f5bb013be1b0a2a0700a303c", kill_on_drop: false }`
[INFO] [stdout] 55d5266485c2ebd8d7406d203c56015f45f0b9c6f5bb013be1b0a2a0700a303c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16e6c41188cfc56b6578bc477784ffdc202f031b241ef684a0eaa3c36dc6876a
[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" "16e6c41188cfc56b6578bc477784ffdc202f031b241ef684a0eaa3c36dc6876a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/downcast_rs-d9d35c53424d79d5
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::constrained_associated::test_non_sync ... ok
[INFO] [stdout] test test::constrained_associated::test_sync ... ok
[INFO] [stdout] test test::constrained_generic::test_non_sync ... ok
[INFO] [stdout] test test::constrained_generic::test_sync ... ok
[INFO] [stdout] test test::constrained_param_and_associated::test_non_sync ... ok
[INFO] [stdout] test test::constrained_param_and_associated::test_sync ... ok
[INFO] [stdout] test test::generic::test_non_sync ... ok
[INFO] [stdout] test test::concrete_parametrized_associated::test_non_sync ... ok
[INFO] [stdout] test test::non_generic::test_non_sync ... ok
[INFO] [stdout] test test::non_generic::test_sync ... ok
[INFO] [stdout] test test::param_and_associated::test_non_sync ... ok
[INFO] [stdout] test test::param_and_associated::test_sync ... ok
[INFO] [stdout] test test::concrete_parametrized::test_sync ... ok
[INFO] [stdout] test test::concrete_parametrized::test_non_sync ... ok
[INFO] [stdout] test test::concrete_associated::test_sync ... ok
[INFO] [stdout] test test::concrete_associated::test_non_sync ... ok
[INFO] [stdout] test test::associated::test_non_sync ... ok
[INFO] [stdout] test test::concrete_parametrized_associated::test_sync ... ok
[INFO] [stdout] test test::generic::test_sync ... ok
[INFO] [stdout] test test::associated::test_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/import_via_macro_use-61a8a0636534f261
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/use_via_namespace-fed9e2cf9328d827
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests downcast-rs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 129) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16e6c41188cfc56b6578bc477784ffdc202f031b241ef684a0eaa3c36dc6876a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e6c41188cfc56b6578bc477784ffdc202f031b241ef684a0eaa3c36dc6876a", kill_on_drop: false }`
[INFO] [stdout] 16e6c41188cfc56b6578bc477784ffdc202f031b241ef684a0eaa3c36dc6876a