[INFO] crate downcast-rs 1.2.0 is already in cache
[INFO] testing downcast-rs-1.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate downcast-rs 1.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate downcast-rs 1.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e1e62d1d214133fa56a4aa969ca3cc082ed7f4aeb1dd66e64fd7a0a6f7b3e44
[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" "2e1e62d1d214133fa56a4aa969ca3cc082ed7f4aeb1dd66e64fd7a0a6f7b3e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e1e62d1d214133fa56a4aa969ca3cc082ed7f4aeb1dd66e64fd7a0a6f7b3e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1e62d1d214133fa56a4aa969ca3cc082ed7f4aeb1dd66e64fd7a0a6f7b3e44", kill_on_drop: false }`
[INFO] [stdout] 2e1e62d1d214133fa56a4aa969ca3cc082ed7f4aeb1dd66e64fd7a0a6f7b3e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 002304a7048a8ad720d55b00cb0d5301349dbc81c79d85953b854401293db541
[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" "002304a7048a8ad720d55b00cb0d5301349dbc81c79d85953b854401293db541", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "002304a7048a8ad720d55b00cb0d5301349dbc81c79d85953b854401293db541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002304a7048a8ad720d55b00cb0d5301349dbc81c79d85953b854401293db541", kill_on_drop: false }`
[INFO] [stdout] 002304a7048a8ad720d55b00cb0d5301349dbc81c79d85953b854401293db541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e60a0b33980a7fe37a5acfd9fbfb8a118734cd5f89888c8efe3169423dfc59
[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" "85e60a0b33980a7fe37a5acfd9fbfb8a118734cd5f89888c8efe3169423dfc59", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "85e60a0b33980a7fe37a5acfd9fbfb8a118734cd5f89888c8efe3169423dfc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e60a0b33980a7fe37a5acfd9fbfb8a118734cd5f89888c8efe3169423dfc59", kill_on_drop: false }`
[INFO] [stdout] 85e60a0b33980a7fe37a5acfd9fbfb8a118734cd5f89888c8efe3169423dfc59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 207ac63b8d8d76cc8e3b48e4c7515c6b6fa8841c01865d9638d319872c6d42b5
[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" "207ac63b8d8d76cc8e3b48e4c7515c6b6fa8841c01865d9638d319872c6d42b5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/downcast_rs-85b8cb1285ba0ae4
[INFO] [stdout] test test::concrete_associated::test_non_sync ... ok
[INFO] [stdout] test test::constrained_param_and_associated::test_sync ... ok
[INFO] [stdout] test test::concrete_parametrized::test_non_sync ... ok
[INFO] [stdout] test test::generic::test_non_sync ... ok
[INFO] [stdout] test test::concrete_associated::test_sync ... ok
[INFO] [stdout] test test::constrained_param_and_associated::test_non_sync ... ok
[INFO] [stdout] test test::concrete_parametrized::test_sync ... ok
[INFO] [stdout] test test::param_and_associated::test_sync ... ok
[INFO] [stdout] test test::associated::test_sync ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/import_via_macro_use-2901f8bf1f9b1565
[INFO] [stdout] test test::concrete_parametrized_associated::test_non_sync ... ok
[INFO] [stdout] test test::constrained_associated::test_non_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::param_and_associated::test_non_sync ... ok
[INFO] [stdout] test test::non_generic::test_sync ... ok
[INFO] [stdout] test test::non_generic::test_non_sync ... ok
[INFO] [stdout] test test::generic::test_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::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] [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]      Running /opt/rustwide/target/debug/deps/use_via_namespace-dc52aacb3e0d81c4
[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 129) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... 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" "207ac63b8d8d76cc8e3b48e4c7515c6b6fa8841c01865d9638d319872c6d42b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207ac63b8d8d76cc8e3b48e4c7515c6b6fa8841c01865d9638d319872c6d42b5", kill_on_drop: false }`
[INFO] [stdout] 207ac63b8d8d76cc8e3b48e4c7515c6b6fa8841c01865d9638d319872c6d42b5