[INFO] cloning repository https://github.com/westandskif/rate-arch-mirrors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/westandskif/rate-arch-mirrors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwestandskif%2Frate-arch-mirrors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwestandskif%2Frate-arch-mirrors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96582b2ec1ecef35332cb349a343b0e115711911
[INFO] checking westandskif/rate-arch-mirrors against try#5f6abd89da253a562ad85d235b9342a3ac336c28 for pr-156114-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwestandskif%2Frate-arch-mirrors" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/westandskif/rate-arch-mirrors
[INFO] finished tweaking git repo https://github.com/westandskif/rate-arch-mirrors
[INFO] tweaked toml for git repo https://github.com/westandskif/rate-arch-mirrors written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/westandskif/rate-arch-mirrors on toolchain 5f6abd89da253a562ad85d235b9342a3ac336c28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/westandskif/rate-arch-mirrors 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" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5f6abd89da253a562ad85d235b9342a3ac336c28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `name`, `continent`, and `other_names` are never read
[INFO] [stdout]   --> src/countries.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Country {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     pub code: &'static str,
[INFO] [stdout] 17 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |     pub continent: Option<&'static str>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 19 |     pub other_names: Vec<&'static str>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Country` 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: field `bytes_downloaded` is never read
[INFO] [stdout]   --> src/speed_test.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SpeedTestResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 23 |     pub bytes_downloaded: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/speed_test.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |     ReqwestError(String),
[INFO] [stdout]    |     ------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpeedTestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 92 -     ReqwestError(String),
[INFO] [stdout] 92 +     ReqwestError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `continent`, and `other_names` are never read
[INFO] [stdout]   --> src/countries.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Country {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     pub code: &'static str,
[INFO] [stdout] 17 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |     pub continent: Option<&'static str>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 19 |     pub other_names: Vec<&'static str>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Country` 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: field `bytes_downloaded` is never read
[INFO] [stdout]   --> src/speed_test.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SpeedTestResult {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 23 |     pub bytes_downloaded: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/speed_test.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |     ReqwestError(String),
[INFO] [stdout]    |     ------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpeedTestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 92 -     ReqwestError(String),
[INFO] [stdout] 92 +     ReqwestError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.88s
[INFO] running `Command { std: "docker" "inspect" "6e33f50cebfa056e4b50268f6d72e48551416d1800e9e5b98903ebd0463369ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e33f50cebfa056e4b50268f6d72e48551416d1800e9e5b98903ebd0463369ae", kill_on_drop: false }`
[INFO] [stdout] 6e33f50cebfa056e4b50268f6d72e48551416d1800e9e5b98903ebd0463369ae
