[INFO] fetching crate miniserde 0.1.13...
[INFO] checking miniserde-0.1.13 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate miniserde 0.1.13 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate miniserde 0.1.13 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate miniserde 0.1.13
[INFO] finished tweaking crates.io crate miniserde 0.1.13
[INFO] tweaked toml for crates.io crate miniserde 0.1.13 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc5965c553f0e7836a07e8677b5e8096e13abc8c6aafa23ec8942ac9fc917a4
[INFO] running `Command { std: "docker" "start" "-a" "1cc5965c553f0e7836a07e8677b5e8096e13abc8c6aafa23ec8942ac9fc917a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc5965c553f0e7836a07e8677b5e8096e13abc8c6aafa23ec8942ac9fc917a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc5965c553f0e7836a07e8677b5e8096e13abc8c6aafa23ec8942ac9fc917a4", kill_on_drop: false }`
[INFO] [stdout] 1cc5965c553f0e7836a07e8677b5e8096e13abc8c6aafa23ec8942ac9fc917a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6779e74c6474367b3191a260e0ec21e3f511125f7814bfdd758b1326938e45
[INFO] running `Command { std: "docker" "start" "-a" "ad6779e74c6474367b3191a260e0ec21e3f511125f7814bfdd758b1326938e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling mini-internal v0.1.13
[INFO] [stderr]    Compiling automod v0.1.2
[INFO] [stderr]     Checking miniserde 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: 2 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.82s
[INFO] running `Command { std: "docker" "inspect" "ad6779e74c6474367b3191a260e0ec21e3f511125f7814bfdd758b1326938e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6779e74c6474367b3191a260e0ec21e3f511125f7814bfdd758b1326938e45", kill_on_drop: false }`
[INFO] [stdout] ad6779e74c6474367b3191a260e0ec21e3f511125f7814bfdd758b1326938e45