[INFO] fetching crate downcast-rs 1.2.0...
[INFO] testing downcast-rs-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate downcast-rs 1.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate downcast-rs 1.2.0 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 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-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c8ef609a90f5a51dcccf0a2af5f82ee3eaf9a5b751582c8407ef7882382aa4ec
[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" "c8ef609a90f5a51dcccf0a2af5f82ee3eaf9a5b751582c8407ef7882382aa4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8ef609a90f5a51dcccf0a2af5f82ee3eaf9a5b751582c8407ef7882382aa4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ef609a90f5a51dcccf0a2af5f82ee3eaf9a5b751582c8407ef7882382aa4ec", kill_on_drop: false }`
[INFO] [stdout] c8ef609a90f5a51dcccf0a2af5f82ee3eaf9a5b751582c8407ef7882382aa4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5d8402d7145da657d82ce13a06ae5c1575033019256ee744595937a5ed77a8b8
[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" "5d8402d7145da657d82ce13a06ae5c1575033019256ee744595937a5ed77a8b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "5d8402d7145da657d82ce13a06ae5c1575033019256ee744595937a5ed77a8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8402d7145da657d82ce13a06ae5c1575033019256ee744595937a5ed77a8b8", kill_on_drop: false }`
[INFO] [stdout] 5d8402d7145da657d82ce13a06ae5c1575033019256ee744595937a5ed77a8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7818ad1d23467a3ad8fdce8567c325ca64aaf8e8ebc74f8e1426d399c71aa974
[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" "7818ad1d23467a3ad8fdce8567c325ca64aaf8e8ebc74f8e1426d399c71aa974", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "7818ad1d23467a3ad8fdce8567c325ca64aaf8e8ebc74f8e1426d399c71aa974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7818ad1d23467a3ad8fdce8567c325ca64aaf8e8ebc74f8e1426d399c71aa974", kill_on_drop: false }`
[INFO] [stdout] 7818ad1d23467a3ad8fdce8567c325ca64aaf8e8ebc74f8e1426d399c71aa974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 539eae55b4eb3c3ac551d0af47a5db8e0f8811e6ef8d105adbcebbcd0c8e3858
[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" "539eae55b4eb3c3ac551d0af47a5db8e0f8811e6ef8d105adbcebbcd0c8e3858", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/downcast_rs-bbe1577386e71d8a
[INFO] [stdout] test test::constrained_associated::test_non_sync ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/import_via_macro_use-8e10788345b421d0
[INFO] [stdout] test test::constrained_associated::test_sync ... ok
[INFO] [stdout] test test::constrained_generic::test_sync ... ok
[INFO] [stdout] test test::concrete_parametrized_associated::test_sync ... ok
[INFO] [stdout] test test::constrained_param_and_associated::test_non_sync ... ok
[INFO] [stdout] test test::generic::test_non_sync ... ok
[INFO] [stdout] test test::generic::test_sync ... ok
[INFO] [stdout] test test::constrained_param_and_associated::test_sync ... ok
[INFO] [stdout] test test::concrete_parametrized_associated::test_non_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::non_generic::test_sync ... ok
[INFO] [stdout] test test::param_and_associated::test_sync ... ok
[INFO] [stdout] test test::non_generic::test_non_sync ... ok
[INFO] [stdout] test test::param_and_associated::test_non_sync ... ok
[INFO] [stdout] test test::constrained_generic::test_non_sync ... ok
[INFO] [stdout] test test::associated::test_sync ... ok
[INFO] [stdout] test test::associated::test_non_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/use_via_namespace-b9f3b755e6d5ba9b
[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
[INFO] [stdout] 
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "539eae55b4eb3c3ac551d0af47a5db8e0f8811e6ef8d105adbcebbcd0c8e3858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539eae55b4eb3c3ac551d0af47a5db8e0f8811e6ef8d105adbcebbcd0c8e3858", kill_on_drop: false }`
[INFO] [stdout] 539eae55b4eb3c3ac551d0af47a5db8e0f8811e6ef8d105adbcebbcd0c8e3858