[INFO] cloning repository https://github.com/lawless-m/Ok2BeMail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lawless-m/Ok2BeMail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawless-m%2FOk2BeMail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawless-m%2FOk2BeMail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8fe10c0812e60e2db42eef20307f773d401fe4d
[INFO] checking lawless-m/Ok2BeMail/f8fe10c0812e60e2db42eef20307f773d401fe4d against f10db292a3733b5c67c8da8c7661195ff4b05774 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawless-m%2FOk2BeMail" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lawless-m/Ok2BeMail
[INFO] finished tweaking git repo https://github.com/lawless-m/Ok2BeMail
[INFO] tweaked toml for git repo https://github.com/lawless-m/Ok2BeMail written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lawless-m/Ok2BeMail on toolchain f10db292a3733b5c67c8da8c7661195ff4b05774
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lawless-m/Ok2BeMail 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" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "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-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "860d0afb97b0d0d303e567663f70ce94df323ab1177300103746b92aa12c2069" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "860d0afb97b0d0d303e567663f70ce94df323ab1177300103746b92aa12c2069" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `delta_link` is never read
[INFO] [stdout]    --> src/fetcher.rs:168:30
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut delta_link = None;
[INFO] [stdout]     |                              ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 235 |                 delta_link = graph_response.delta_link;
[INFO] [stdout]     |                 ---------- `delta_link` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delta_link` is never read
[INFO] [stdout]    --> src/fetcher.rs:168:30
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut delta_link = None;
[INFO] [stdout]     |                              ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 235 |                 delta_link = graph_response.delta_link;
[INFO] [stdout]     |                 ---------- `delta_link` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear_tokens` is never used
[INFO] [stdout]    --> src/auth.rs:308:12
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl AuthManager {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 308 |     pub fn clear_tokens(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_confidence` is never read
[INFO] [stdout]   --> src/classifier.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Classifier {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     min_confidence: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Keyring` is never constructed
[INFO] [stdout]   --> src/error.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum EmailClError {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     Keyring(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EmailClError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `notify_batch` is never used
[INFO] [stdout]   --> src/notifier.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Notifier {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn notify_batch(&self, emails_and_labels: &[(Email, Label)]) -> Result<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear_tokens` is never used
[INFO] [stdout]    --> src/auth.rs:308:12
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl AuthManager {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 308 |     pub fn clear_tokens(&self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Keyring` is never constructed
[INFO] [stdout]   --> src/error.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum EmailClError {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     Keyring(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EmailClError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `notify_batch` is never used
[INFO] [stdout]   --> src/notifier.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Notifier {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn notify_batch(&self, emails_and_labels: &[(Email, Label)]) -> Result<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_test_email` is never used
[INFO] [stdout]    --> src/notifier.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn make_test_email(id: &str, subject: &str, sender_address: &str, sender_name: Option<&str>) -> Email {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "860d0afb97b0d0d303e567663f70ce94df323ab1177300103746b92aa12c2069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860d0afb97b0d0d303e567663f70ce94df323ab1177300103746b92aa12c2069", kill_on_drop: false }`
[INFO] [stdout] 860d0afb97b0d0d303e567663f70ce94df323ab1177300103746b92aa12c2069
