[INFO] fetching crate ref-cast 1.0.6...
[INFO] testing ref-cast-1.0.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ref-cast 1.0.6 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ref-cast 1.0.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref-cast 1.0.6
[INFO] finished tweaking crates.io crate ref-cast 1.0.6
[INFO] tweaked toml for crates.io crate ref-cast 1.0.6 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027243a8a9589cdc15ee36d2d764f45e4c29447f17395e61be4a978234e58cdf
[INFO] running `Command { std: "docker" "start" "-a" "027243a8a9589cdc15ee36d2d764f45e4c29447f17395e61be4a978234e58cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027243a8a9589cdc15ee36d2d764f45e4c29447f17395e61be4a978234e58cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027243a8a9589cdc15ee36d2d764f45e4c29447f17395e61be4a978234e58cdf", kill_on_drop: false }`
[INFO] [stdout] 027243a8a9589cdc15ee36d2d764f45e4c29447f17395e61be4a978234e58cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b2b8ce41e5be5e43bcbdec8545559412eb064cea2ddad73385cff80e771e6b
[INFO] running `Command { std: "docker" "start" "-a" "f9b2b8ce41e5be5e43bcbdec8545559412eb064cea2ddad73385cff80e771e6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ref-cast v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "f9b2b8ce41e5be5e43bcbdec8545559412eb064cea2ddad73385cff80e771e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b2b8ce41e5be5e43bcbdec8545559412eb064cea2ddad73385cff80e771e6b", kill_on_drop: false }`
[INFO] [stdout] f9b2b8ce41e5be5e43bcbdec8545559412eb064cea2ddad73385cff80e771e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7278bc838b532b38af0597eb762a900d8c2141cd9fc458607398fc1c0ac1359
[INFO] running `Command { std: "docker" "start" "-a" "a7278bc838b532b38af0597eb762a900d8c2141cd9fc458607398fc1c0ac1359", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ref-cast v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "a7278bc838b532b38af0597eb762a900d8c2141cd9fc458607398fc1c0ac1359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7278bc838b532b38af0597eb762a900d8c2141cd9fc458607398fc1c0ac1359", kill_on_drop: false }`
[INFO] [stdout] a7278bc838b532b38af0597eb762a900d8c2141cd9fc458607398fc1c0ac1359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f8f59a71d2acb7b987bd54b062202f152421579e1f1a846f62f737308b1ba42
[INFO] running `Command { std: "docker" "start" "-a" "6f8f59a71d2acb7b987bd54b062202f152421579e1f1a846f62f737308b1ba42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ref_cast-13e711534ec7b317)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-b367247cd45d3267)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ui ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_trivial.rs (/opt/rustwide/target/debug/deps/test_trivial-0f8866fe83d6396f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_trivial ... 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 ref-cast
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - RefCast (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f8f59a71d2acb7b987bd54b062202f152421579e1f1a846f62f737308b1ba42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8f59a71d2acb7b987bd54b062202f152421579e1f1a846f62f737308b1ba42", kill_on_drop: false }`
[INFO] [stdout] 6f8f59a71d2acb7b987bd54b062202f152421579e1f1a846f62f737308b1ba42