[INFO] fetching crate traitcast 0.5.0...
[INFO] building traitcast-0.5.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate traitcast 0.5.0 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate traitcast 0.5.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding inventory v0.1.11 (available: v0.3.21)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded ghost v0.1.20
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded traitcast_core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a502a576d258da95118724b73a6421e0157537434c6623568fbe0c9a6a6326c
[INFO] running `Command { std: "docker" "start" "-a" "1a502a576d258da95118724b73a6421e0157537434c6623568fbe0c9a6a6326c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a502a576d258da95118724b73a6421e0157537434c6623568fbe0c9a6a6326c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a502a576d258da95118724b73a6421e0157537434c6623568fbe0c9a6a6326c", kill_on_drop: false }`
[INFO] [stdout] 1a502a576d258da95118724b73a6421e0157537434c6623568fbe0c9a6a6326c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d8660d5a702fb53842bfc16137f1f4d7913866db8241454502b0f1880ee9462
[INFO] running `Command { std: "docker" "start" "-a" "9d8660d5a702fb53842bfc16137f1f4d7913866db8241454502b0f1880ee9462", kill_on_drop: false }`
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ghost v0.1.20
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling traitcast_core v0.2.0
[INFO] [stderr]    Compiling traitcast v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "9d8660d5a702fb53842bfc16137f1f4d7913866db8241454502b0f1880ee9462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8660d5a702fb53842bfc16137f1f4d7913866db8241454502b0f1880ee9462", kill_on_drop: false }`
[INFO] [stdout] 9d8660d5a702fb53842bfc16137f1f4d7913866db8241454502b0f1880ee9462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fc87a1d38186e8011b2f2368bc57d41b7346d7a65e86d3715b5a6af5de8378
[INFO] running `Command { std: "docker" "start" "-a" "d4fc87a1d38186e8011b2f2368bc57d41b7346d7a65e86d3715b5a6af5de8378", 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]    = 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut y: Box<dyn Any> = Box::new(B { y: 1 });
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d4fc87a1d38186e8011b2f2368bc57d41b7346d7a65e86d3715b5a6af5de8378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fc87a1d38186e8011b2f2368bc57d41b7346d7a65e86d3715b5a6af5de8378", kill_on_drop: false }`
[INFO] [stdout] d4fc87a1d38186e8011b2f2368bc57d41b7346d7a65e86d3715b5a6af5de8378