[INFO] cloning repository https://github.com/zonblade/mailbuster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zonblade/mailbuster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonblade%2Fmailbuster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonblade%2Fmailbuster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dbb006fc75487969ef36d0de3946b7ac8007d72
[INFO] checking zonblade/mailbuster against 615014f15745532730b9ce7a1d9309f8b4756f93 for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonblade%2Fmailbuster" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zonblade/mailbuster
[INFO] finished tweaking git repo https://github.com/zonblade/mailbuster
[INFO] tweaked toml for git repo https://github.com/zonblade/mailbuster written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zonblade/mailbuster on toolchain 615014f15745532730b9ce7a1d9309f8b4756f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zonblade/mailbuster 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" "+615014f15745532730b9ce7a1d9309f8b4756f93" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224
[INFO] running `Command { std: "docker" "start" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224", kill_on_drop: false }`
[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" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224", kill_on_drop: false }`
[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" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: function `list_templates` is never used
[INFO] [stdout]   --> src/modules/templates/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn list_templates() -> Vec<&'static str> {
[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 `Failed` is never constructed
[INFO] [stdout]   --> src/services/job.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum JobOutcome {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 28 |     Sent { id: i64 },
[INFO] [stdout] 29 |     Failed { job: MailJob, error: String },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JobOutcome` 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 `var_pairs` is never used
[INFO] [stdout]   --> src/services/job.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl MailJob {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 33 |     pub fn var_pairs(&self) -> Vec<(&str, &str)> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_templates` is never used
[INFO] [stdout]   --> src/modules/templates/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn list_templates() -> Vec<&'static str> {
[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 `Failed` is never constructed
[INFO] [stdout]   --> src/services/job.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum JobOutcome {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 28 |     Sent { id: i64 },
[INFO] [stdout] 29 |     Failed { job: MailJob, error: String },
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JobOutcome` 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 `var_pairs` is never used
[INFO] [stdout]   --> src/services/job.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl MailJob {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 33 |     pub fn var_pairs(&self) -> Vec<(&str, &str)> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224", kill_on_drop: false }`
[INFO] [stdout] de9601e7e9f888d23415f57e695103bb2b9ce53b909900270743658e29609224