[INFO] fetching crate downcast-trait 0.1.0...
[INFO] testing downcast-trait-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate downcast-trait 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate downcast-trait 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downcast-trait 0.1.0
[INFO] finished tweaking crates.io crate downcast-trait 0.1.0
[INFO] tweaked toml for crates.io crate downcast-trait 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4e0e2e1e02427dca56e43c64bc6ad902fdcb089c02313c9d8ec7e2103fbfefa
[INFO] running `Command { std: "docker" "start" "-a" "e4e0e2e1e02427dca56e43c64bc6ad902fdcb089c02313c9d8ec7e2103fbfefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e0e2e1e02427dca56e43c64bc6ad902fdcb089c02313c9d8ec7e2103fbfefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e0e2e1e02427dca56e43c64bc6ad902fdcb089c02313c9d8ec7e2103fbfefa", kill_on_drop: false }`
[INFO] [stdout] e4e0e2e1e02427dca56e43c64bc6ad902fdcb089c02313c9d8ec7e2103fbfefa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25a587b3e9549c435e66a7f4e2ddb254f259251d6927bdb67eecf4f8329ea6b3
[INFO] running `Command { std: "docker" "start" "-a" "25a587b3e9549c435e66a7f4e2ddb254f259251d6927bdb67eecf4f8329ea6b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "25a587b3e9549c435e66a7f4e2ddb254f259251d6927bdb67eecf4f8329ea6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a587b3e9549c435e66a7f4e2ddb254f259251d6927bdb67eecf4f8329ea6b3", kill_on_drop: false }`
[INFO] [stdout] 25a587b3e9549c435e66a7f4e2ddb254f259251d6927bdb67eecf4f8329ea6b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ab31e1e1679513889aac2d2f55819bccea4ce90ebe0b72c8d729292d0ab7707
[INFO] running `Command { std: "docker" "start" "-a" "9ab31e1e1679513889aac2d2f55819bccea4ce90ebe0b72c8d729292d0ab7707", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling downcast-trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/downcast_trait-d3a02d0f2c9abcd9)
[INFO] running `Command { std: "docker" "inspect" "9ab31e1e1679513889aac2d2f55819bccea4ce90ebe0b72c8d729292d0ab7707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab31e1e1679513889aac2d2f55819bccea4ce90ebe0b72c8d729292d0ab7707", kill_on_drop: false }`
[INFO] [stdout] 9ab31e1e1679513889aac2d2f55819bccea4ce90ebe0b72c8d729292d0ab7707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4ada6d822db5153bd62ec6cf74128d10ddc2ea86bca016fe16ba3f480acb50f
[INFO] running `Command { std: "docker" "start" "-a" "d4ada6d822db5153bd62ec6cf74128d10ddc2ea86bca016fe16ba3f480acb50f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/downcast_trait-d3a02d0f2c9abcd9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::exploration ... 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-trait
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - DowncastTrait (line 63) ... ignored
[INFO] [stdout] test src/lib.rs - downcast_trait (line 82) ... ignored
[INFO] [stdout] test src/lib.rs - downcast_trait_impl_convert_to (line 124) ... ignored
[INFO] [stdout] test src/lib.rs - downcast_trait_mut (line 103) ... ignored
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4ada6d822db5153bd62ec6cf74128d10ddc2ea86bca016fe16ba3f480acb50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ada6d822db5153bd62ec6cf74128d10ddc2ea86bca016fe16ba3f480acb50f", kill_on_drop: false }`
[INFO] [stdout] d4ada6d822db5153bd62ec6cf74128d10ddc2ea86bca016fe16ba3f480acb50f