[INFO] fetching crate microserde 0.1.13...
[INFO] checking microserde-0.1.13 against 1.55.0 for beta-1.56-3
[INFO] extracting crate microserde 0.1.13 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate microserde 0.1.13 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded microserde-derive v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 280ee9f154b5ffccd0e1d25cb1aa40a82eefae76bdd5c0f0e9d1e5aae1460e43
[INFO] running `Command { std: "docker" "start" "-a" "280ee9f154b5ffccd0e1d25cb1aa40a82eefae76bdd5c0f0e9d1e5aae1460e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "280ee9f154b5ffccd0e1d25cb1aa40a82eefae76bdd5c0f0e9d1e5aae1460e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280ee9f154b5ffccd0e1d25cb1aa40a82eefae76bdd5c0f0e9d1e5aae1460e43", kill_on_drop: false }`
[INFO] [stdout] 280ee9f154b5ffccd0e1d25cb1aa40a82eefae76bdd5c0f0e9d1e5aae1460e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d4f70feef29b67cb8729b6a65e701cd5627729d385a8ede6783bf6a95dba635
[INFO] running `Command { std: "docker" "start" "-a" "0d4f70feef29b67cb8729b6a65e701cd5627729d385a8ede6783bf6a95dba635", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling quote v1.0.10
[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 37.42s
[INFO] running `Command { std: "docker" "inspect" "0d4f70feef29b67cb8729b6a65e701cd5627729d385a8ede6783bf6a95dba635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4f70feef29b67cb8729b6a65e701cd5627729d385a8ede6783bf6a95dba635", kill_on_drop: false }`
[INFO] [stdout] 0d4f70feef29b67cb8729b6a65e701cd5627729d385a8ede6783bf6a95dba635
