[INFO] cloning repository https://github.com/ainvyu/maxminddb-rs-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ainvyu/maxminddb-rs-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fainvyu%2Fmaxminddb-rs-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fainvyu%2Fmaxminddb-rs-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7237e2ad547b1afba4a7f613a42f26d8092e72c
[INFO] checking ainvyu/maxminddb-rs-test against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fainvyu%2Fmaxminddb-rs-test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ainvyu/maxminddb-rs-test
[INFO] finished tweaking git repo https://github.com/ainvyu/maxminddb-rs-test
[INFO] tweaked toml for git repo https://github.com/ainvyu/maxminddb-rs-test written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ainvyu/maxminddb-rs-test 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/ainvyu/maxminddb-rs-test 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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded maxminddb v0.14.0
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df9aca5d192f2eb21ee2eca14f33eb473a09188b59522d5e1a936e02d0a7642b
[INFO] running `Command { std: "docker" "start" "-a" "df9aca5d192f2eb21ee2eca14f33eb473a09188b59522d5e1a936e02d0a7642b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df9aca5d192f2eb21ee2eca14f33eb473a09188b59522d5e1a936e02d0a7642b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9aca5d192f2eb21ee2eca14f33eb473a09188b59522d5e1a936e02d0a7642b", kill_on_drop: false }`
[INFO] [stdout] df9aca5d192f2eb21ee2eca14f33eb473a09188b59522d5e1a936e02d0a7642b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] baa4475b06e9c6526c79a43ff87c9fe1c8ac48cea23806f2ada9344c50ec7060
[INFO] running `Command { std: "docker" "start" "-a" "baa4475b06e9c6526c79a43ff87c9fe1c8ac48cea23806f2ada9344c50ec7060", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking maxminddb v0.14.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking country_code_from v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `mcc_int`, `mnc`, `mnc_int`, `country`, `country_code`, and `network` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     mcc_int: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     #[serde(rename = "MNC")]
[INFO] [stdout] 17 |     mnc: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     #[serde(rename = "MNC (int)")]
[INFO] [stdout] 19 |     mnc_int: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     country: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     #[serde(rename = "Country Code")]
[INFO] [stdout] 25 |     country_code: Option<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     #[serde(rename = "Network")]
[INFO] [stdout] 27 |     network: String,
[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 `mcc_int`, `mnc`, `mnc_int`, `country`, `country_code`, and `network` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     mcc_int: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     #[serde(rename = "MNC")]
[INFO] [stdout] 17 |     mnc: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     #[serde(rename = "MNC (int)")]
[INFO] [stdout] 19 |     mnc_int: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     country: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     #[serde(rename = "Country Code")]
[INFO] [stdout] 25 |     country_code: Option<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     #[serde(rename = "Network")]
[INFO] [stdout] 27 |     network: String,
[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 11.95s
[INFO] running `Command { std: "docker" "inspect" "baa4475b06e9c6526c79a43ff87c9fe1c8ac48cea23806f2ada9344c50ec7060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa4475b06e9c6526c79a43ff87c9fe1c8ac48cea23806f2ada9344c50ec7060", kill_on_drop: false }`
[INFO] [stdout] baa4475b06e9c6526c79a43ff87c9fe1c8ac48cea23806f2ada9344c50ec7060