[INFO] fetching crate microserde 0.1.13...
[INFO] checking microserde-0.1.13 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate microserde 0.1.13 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate microserde 0.1.13 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d991ae377ec1a720c94f591dc7d9ad834625c0eb009936b2a06b81629a03f9a
[INFO] running `Command { std: "docker" "start" "-a" "3d991ae377ec1a720c94f591dc7d9ad834625c0eb009936b2a06b81629a03f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d991ae377ec1a720c94f591dc7d9ad834625c0eb009936b2a06b81629a03f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d991ae377ec1a720c94f591dc7d9ad834625c0eb009936b2a06b81629a03f9a", kill_on_drop: false }`
[INFO] [stdout] 3d991ae377ec1a720c94f591dc7d9ad834625c0eb009936b2a06b81629a03f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7528d83f230a9458206678b8d3b8ee874f4bd86d1dc6985ed8973684159d3745
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7528d83f230a9458206678b8d3b8ee874f4bd86d1dc6985ed8973684159d3745", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling microserde-derive v0.1.13
[INFO] [stderr]    Compiling automod v1.0.0
[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] 
[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] 
[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] 
[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] 
[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 18.62s
[INFO] running `Command { std: "docker" "inspect" "7528d83f230a9458206678b8d3b8ee874f4bd86d1dc6985ed8973684159d3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7528d83f230a9458206678b8d3b8ee874f4bd86d1dc6985ed8973684159d3745", kill_on_drop: false }`
[INFO] [stdout] 7528d83f230a9458206678b8d3b8ee874f4bd86d1dc6985ed8973684159d3745