[INFO] fetching crate downcast-rs 1.2.0...
[INFO] testing downcast-rs-1.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate downcast-rs 1.2.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate downcast-rs 1.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adb8c6d0bba45250a5fb4c3dd041373998c3485483d79053d51639485286e583
[INFO] running `Command { std: "docker" "start" "-a" "adb8c6d0bba45250a5fb4c3dd041373998c3485483d79053d51639485286e583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb8c6d0bba45250a5fb4c3dd041373998c3485483d79053d51639485286e583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb8c6d0bba45250a5fb4c3dd041373998c3485483d79053d51639485286e583", kill_on_drop: false }`
[INFO] [stdout] adb8c6d0bba45250a5fb4c3dd041373998c3485483d79053d51639485286e583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2270e970c8c83329eaaffd5edfb9c0e5360baf8ba1b95fb59896ec63e891a641
[INFO] running `Command { std: "docker" "start" "-a" "2270e970c8c83329eaaffd5edfb9c0e5360baf8ba1b95fb59896ec63e891a641", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2270e970c8c83329eaaffd5edfb9c0e5360baf8ba1b95fb59896ec63e891a641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2270e970c8c83329eaaffd5edfb9c0e5360baf8ba1b95fb59896ec63e891a641", kill_on_drop: false }`
[INFO] [stdout] 2270e970c8c83329eaaffd5edfb9c0e5360baf8ba1b95fb59896ec63e891a641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dde32f5fabde7e5464fc2381e7c6d27ca2016763b7922964f7c959bdad481bd
[INFO] running `Command { std: "docker" "start" "-a" "6dde32f5fabde7e5464fc2381e7c6d27ca2016763b7922964f7c959bdad481bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "6dde32f5fabde7e5464fc2381e7c6d27ca2016763b7922964f7c959bdad481bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dde32f5fabde7e5464fc2381e7c6d27ca2016763b7922964f7c959bdad481bd", kill_on_drop: false }`
[INFO] [stdout] 6dde32f5fabde7e5464fc2381e7c6d27ca2016763b7922964f7c959bdad481bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bff05bdc6171699555000f315d4e583b504eb8a2c633425810412d04668f5ac2
[INFO] running `Command { std: "docker" "start" "-a" "bff05bdc6171699555000f315d4e583b504eb8a2c633425810412d04668f5ac2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/downcast_rs-cdd1d11c10e8ee1d)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::associated::test_non_sync ... ok
[INFO] [stdout] test test::associated::test_sync ... ok
[INFO] [stdout] test test::concrete_associated::test_non_sync ... ok
[INFO] [stdout] test test::concrete_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_parametrized_associated::test_non_sync ... ok
[INFO] [stdout] test test::concrete_parametrized_associated::test_sync ... ok
[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::generic::test_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] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/import_via_macro_use.rs (/opt/rustwide/target/debug/deps/import_via_macro_use-dd17a9d6c9fe24a6)
[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 tests/use_via_namespace.rs (/opt/rustwide/target/debug/deps/use_via_namespace-6dfd20bf1f312f97)
[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 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bff05bdc6171699555000f315d4e583b504eb8a2c633425810412d04668f5ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff05bdc6171699555000f315d4e583b504eb8a2c633425810412d04668f5ac2", kill_on_drop: false }`
[INFO] [stdout] bff05bdc6171699555000f315d4e583b504eb8a2c633425810412d04668f5ac2