[INFO] fetching crate microserde 0.1.13...
[INFO] checking microserde-0.1.13 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate microserde 0.1.13 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate microserde 0.1.13 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microserde 0.1.13
[INFO] finished tweaking crates.io crate microserde 0.1.13
[INFO] tweaked toml for crates.io crate microserde 0.1.13 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded microserde-derive v0.1.13
[INFO] [stderr]   Downloaded automod v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e15f3841b0afa88d52ad4f02d3dd5507d6606928a77eef6be6c3ae479e5f2e0
[INFO] running `Command { std: "docker" "start" "-a" "2e15f3841b0afa88d52ad4f02d3dd5507d6606928a77eef6be6c3ae479e5f2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e15f3841b0afa88d52ad4f02d3dd5507d6606928a77eef6be6c3ae479e5f2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e15f3841b0afa88d52ad4f02d3dd5507d6606928a77eef6be6c3ae479e5f2e0", kill_on_drop: false }`
[INFO] [stdout] 2e15f3841b0afa88d52ad4f02d3dd5507d6606928a77eef6be6c3ae479e5f2e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3c906618f478ac9d6531c34715204fdf9e8c3c900cdf02605d78af4ac5282c9
[INFO] running `Command { std: "docker" "start" "-a" "a3c906618f478ac9d6531c34715204fdf9e8c3c900cdf02605d78af4ac5282c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling microserde-derive v0.1.13
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]     Checking microserde v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ignore.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Ok(Visitor::ignore())
[INFO] [stdout]    |            ^^^^^^^ help: use `dyn`: `<dyn Visitor>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ignore.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Ok(Visitor::ignore())
[INFO] [stdout]    |            ^^^^^^^ help: use `dyn`: `<dyn Visitor>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ignore.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Ok(Visitor::ignore())
[INFO] [stdout]    |            ^^^^^^^ help: use `dyn`: `<dyn Visitor>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ignore.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Ok(Visitor::ignore())
[INFO] [stdout]    |            ^^^^^^^ help: use `dyn`: `<dyn Visitor>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "a3c906618f478ac9d6531c34715204fdf9e8c3c900cdf02605d78af4ac5282c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c906618f478ac9d6531c34715204fdf9e8c3c900cdf02605d78af4ac5282c9", kill_on_drop: false }`
[INFO] [stdout] a3c906618f478ac9d6531c34715204fdf9e8c3c900cdf02605d78af4ac5282c9