[INFO] fetching crate traitcast 0.5.0...
[INFO] testing traitcast-0.5.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate traitcast 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate traitcast 0.5.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate traitcast 0.5.0
[INFO] finished tweaking crates.io crate traitcast 0.5.0
[INFO] tweaked toml for crates.io crate traitcast 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traitcast_core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc496b0642cbe60a929605578cce6dbf7f25fb3519f89c9fbe443f68a7805845
[INFO] running `Command { std: "docker" "start" "-a" "cc496b0642cbe60a929605578cce6dbf7f25fb3519f89c9fbe443f68a7805845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc496b0642cbe60a929605578cce6dbf7f25fb3519f89c9fbe443f68a7805845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc496b0642cbe60a929605578cce6dbf7f25fb3519f89c9fbe443f68a7805845", kill_on_drop: false }`
[INFO] [stdout] cc496b0642cbe60a929605578cce6dbf7f25fb3519f89c9fbe443f68a7805845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8d066bf6315564ebf7a7ecc34c845e81c259319bdf69c276525e4750345576
[INFO] running `Command { std: "docker" "start" "-a" "fd8d066bf6315564ebf7a7ecc34c845e81c259319bdf69c276525e4750345576", kill_on_drop: false }`
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling traitcast_core v0.2.0
[INFO] [stderr]    Compiling traitcast v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "fd8d066bf6315564ebf7a7ecc34c845e81c259319bdf69c276525e4750345576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8d066bf6315564ebf7a7ecc34c845e81c259319bdf69c276525e4750345576", kill_on_drop: false }`
[INFO] [stdout] fd8d066bf6315564ebf7a7ecc34c845e81c259319bdf69c276525e4750345576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 334b7780cd2f6dadae6b667377c5be7257be7c84c6a3dbb7f45311c248150098
[INFO] running `Command { std: "docker" "start" "-a" "334b7780cd2f6dadae6b667377c5be7257be7c84c6a3dbb7f45311c248150098", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitcast v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tests.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut x: Box<Any> = Box::new(A { x: 0 });
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 -     let mut x: Box<Any> = Box::new(A { x: 0 });
[INFO] [stdout] 68 +     let mut x: Box<dyn Any> = Box::new(A { x: 0 });
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tests.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut y: Box<Any> = Box::new(B { y: 1 });
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 -     let mut y: Box<Any> = Box::new(B { y: 1 });
[INFO] [stdout] 69 +     let mut y: Box<dyn Any> = Box::new(B { y: 1 });
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "334b7780cd2f6dadae6b667377c5be7257be7c84c6a3dbb7f45311c248150098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334b7780cd2f6dadae6b667377c5be7257be7c84c6a3dbb7f45311c248150098", kill_on_drop: false }`
[INFO] [stdout] 334b7780cd2f6dadae6b667377c5be7257be7c84c6a3dbb7f45311c248150098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62c25c09b4f7c986f78613507666f2112c2a6d5ccb76f028b1c13e09f9774d6c
[INFO] running `Command { std: "docker" "start" "-a" "62c25c09b4f7c986f78613507666f2112c2a6d5ccb76f028b1c13e09f9774d6c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tests.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let mut x: Box<Any> = Box::new(A { x: 0 });
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 -     let mut x: Box<Any> = Box::new(A { x: 0 });
[INFO] [stderr] 68 +     let mut x: Box<dyn Any> = Box::new(A { x: 0 });
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tests.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut y: Box<Any> = Box::new(B { y: 1 });
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 69 -     let mut y: Box<Any> = Box::new(B { y: 1 });
[INFO] [stderr] 69 +     let mut y: Box<dyn Any> = Box::new(B { y: 1 });
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `traitcast` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traitcast-6567074012e7f5d2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_traitcast ... 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 traitcast
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 18) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62c25c09b4f7c986f78613507666f2112c2a6d5ccb76f028b1c13e09f9774d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c25c09b4f7c986f78613507666f2112c2a6d5ccb76f028b1c13e09f9774d6c", kill_on_drop: false }`
[INFO] [stdout] 62c25c09b4f7c986f78613507666f2112c2a6d5ccb76f028b1c13e09f9774d6c