[INFO] fetching crate data_downloader 0.2.0...
[INFO] checking data_downloader-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate data_downloader 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate data_downloader 0.2.0
[INFO] finished tweaking crates.io crate data_downloader 0.2.0
[INFO] tweaked toml for crates.io crate data_downloader 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate data_downloader 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--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]      Locking 249 packages to latest compatible versions
[INFO] [stderr]       Adding dirs v5.0.1 (available: v6.0.0)
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.0.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] [stderr]       Adding zip v1.1.4 (available: v4.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2168a23f7796d041acda8c33994fcd32a726b11b6fe1eb6ae1470ba6f0d3557d
[INFO] running `Command { std: "docker" "start" "-a" "2168a23f7796d041acda8c33994fcd32a726b11b6fe1eb6ae1470ba6f0d3557d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2168a23f7796d041acda8c33994fcd32a726b11b6fe1eb6ae1470ba6f0d3557d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2168a23f7796d041acda8c33994fcd32a726b11b6fe1eb6ae1470ba6f0d3557d", kill_on_drop: false }`
[INFO] [stdout] 2168a23f7796d041acda8c33994fcd32a726b11b6fe1eb6ae1470ba6f0d3557d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ea885eee08e9a53fa7c094d4805e9567a006bf07f611d3a0cef27ecc57b50e8
[INFO] running `Command { std: "docker" "start" "-a" "4ea885eee08e9a53fa7c094d4805e9567a006bf07f611d3a0cef27ecc57b50e8", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking zeroize v1.8.1
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
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[INFO] [stderr]     Checking unarray v0.1.4
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[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.20
[INFO] [stderr]     Checking data_downloader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/hashed.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct HashedVecError {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 13 |     pub data: Vec<u8>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HashedVecError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/files/images/flags.rs:1794:36
[INFO] [stdout]      |
[INFO] [stdout] 1794 | pub fn flag_for_country_code(code: &str) -> Option<&'static DownloadRequest> {
[INFO] [stdout]      |                                    ^^^^                     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1794 | pub fn flag_for_country_code(code: &str) -> Option<&'static DownloadRequest<'_>> {
[INFO] [stdout]      |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/hashed.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct HashedVecError {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 13 |     pub data: Vec<u8>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HashedVecError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/files/images/flags.rs:1794:36
[INFO] [stdout]      |
[INFO] [stdout] 1794 | pub fn flag_for_country_code(code: &str) -> Option<&'static DownloadRequest> {
[INFO] [stdout]      |                                    ^^^^                     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                                    |
[INFO] [stdout]      |                                    this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1794 | pub fn flag_for_country_code(code: &str) -> Option<&'static DownloadRequest<'_>> {
[INFO] [stdout]      |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.36s
[INFO] running `Command { std: "docker" "inspect" "4ea885eee08e9a53fa7c094d4805e9567a006bf07f611d3a0cef27ecc57b50e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea885eee08e9a53fa7c094d4805e9567a006bf07f611d3a0cef27ecc57b50e8", kill_on_drop: false }`
[INFO] [stdout] 4ea885eee08e9a53fa7c094d4805e9567a006bf07f611d3a0cef27ecc57b50e8