[INFO] fetching crate serde_archive 0.1.5...
[INFO] checking serde_archive-0.1.5 against master#6b6610b8bd5112bbb3bd2b73a97250cb06979505 for pr-102713
[INFO] extracting crate serde_archive 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_archive 0.1.5 on toolchain 6b6610b8bd5112bbb3bd2b73a97250cb06979505
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_archive 0.1.5
[INFO] finished tweaking crates.io crate serde_archive 0.1.5
[INFO] tweaked toml for crates.io crate serde_archive 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca567c90e352cb8ede866b174e4f076fc9311f07a648b697c710da0aa9b895c9
[INFO] running `Command { std: "docker" "start" "-a" "ca567c90e352cb8ede866b174e4f076fc9311f07a648b697c710da0aa9b895c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca567c90e352cb8ede866b174e4f076fc9311f07a648b697c710da0aa9b895c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca567c90e352cb8ede866b174e4f076fc9311f07a648b697c710da0aa9b895c9", kill_on_drop: false }`
[INFO] [stdout] ca567c90e352cb8ede866b174e4f076fc9311f07a648b697c710da0aa9b895c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b519eba2587649da1a8f119d85ed6be29a77f5378cd3ca144c3752f727b56531
[INFO] running `Command { std: "docker" "start" "-a" "b519eba2587649da1a8f119d85ed6be29a77f5378cd3ca144c3752f727b56531", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking serde_archive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ser/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct Struct<'w, W>
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 395 |     name: &'w str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ser/mod.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub struct Struct<'w, W>
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 395 |     name: &'w str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.08s
[INFO] running `Command { std: "docker" "inspect" "b519eba2587649da1a8f119d85ed6be29a77f5378cd3ca144c3752f727b56531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b519eba2587649da1a8f119d85ed6be29a77f5378cd3ca144c3752f727b56531", kill_on_drop: false }`
[INFO] [stdout] b519eba2587649da1a8f119d85ed6be29a77f5378cd3ca144c3752f727b56531