[INFO] cloning repository https://github.com/D-28/serde_kit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/D-28/serde_kit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD-28%2Fserde_kit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD-28%2Fserde_kit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b828f2b8d3aab39ec7ee7b485e7ffea2dd3093de
[INFO] checking D-28/serde_kit against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD-28%2Fserde_kit" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/D-28/serde_kit
[INFO] finished tweaking git repo https://github.com/D-28/serde_kit
[INFO] tweaked toml for git repo https://github.com/D-28/serde_kit written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/D-28/serde_kit on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/D-28/serde_kit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03621afc8a96805ca729f6b9691e6f6109d984dcb45fd7ed36999c0d768e30b
[INFO] running `Command { std: "docker" "start" "-a" "c03621afc8a96805ca729f6b9691e6f6109d984dcb45fd7ed36999c0d768e30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03621afc8a96805ca729f6b9691e6f6109d984dcb45fd7ed36999c0d768e30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03621afc8a96805ca729f6b9691e6f6109d984dcb45fd7ed36999c0d768e30b", kill_on_drop: false }`
[INFO] [stdout] c03621afc8a96805ca729f6b9691e6f6109d984dcb45fd7ed36999c0d768e30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca8e01ddf5becb0f78f12a8f93a80ccb659385ff497cf9b19d9b23291710421
[INFO] running `Command { std: "docker" "start" "-a" "7ca8e01ddf5becb0f78f12a8f93a80ccb659385ff497cf9b19d9b23291710421", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `city`, `region`, `country`, and `population` are never read
[INFO] [stdout]   --> src/main.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout]  9 |   city: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 10 |   region: String,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 11 |   country: String,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 12 |   population: Option<u64>,
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `city`, `region`, `country`, and `population` are never read
[INFO] [stdout]   --> src/main.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout]  9 |   city: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 10 |   region: String,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 11 |   country: String,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 12 |   population: Option<u64>,
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "7ca8e01ddf5becb0f78f12a8f93a80ccb659385ff497cf9b19d9b23291710421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca8e01ddf5becb0f78f12a8f93a80ccb659385ff497cf9b19d9b23291710421", kill_on_drop: false }`
[INFO] [stdout] 7ca8e01ddf5becb0f78f12a8f93a80ccb659385ff497cf9b19d9b23291710421
