[INFO] cloning repository https://github.com/tokenizer-decode/email-sleuth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tokenizer-decode/email-sleuth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokenizer-decode%2Femail-sleuth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokenizer-decode%2Femail-sleuth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00e56b41187e67e8f4f1cd30da80234f6eba8021
[INFO] checking tokenizer-decode/email-sleuth against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokenizer-decode%2Femail-sleuth" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tokenizer-decode/email-sleuth on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tokenizer-decode/email-sleuth
[INFO] finished tweaking git repo https://github.com/tokenizer-decode/email-sleuth
[INFO] tweaked toml for git repo https://github.com/tokenizer-decode/email-sleuth written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tokenizer-decode/email-sleuth 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scraper v0.19.1
[INFO] [stderr]   Downloaded quinn-proto v0.11.11
[INFO] [stderr]   Downloaded email-encoding v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1256b4dac90b6fd38b6f08059cbd14da667ec224909ce2130d04c5c761359844
[INFO] running `Command { std: "docker" "start" "-a" "1256b4dac90b6fd38b6f08059cbd14da667ec224909ce2130d04c5c761359844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1256b4dac90b6fd38b6f08059cbd14da667ec224909ce2130d04c5c761359844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1256b4dac90b6fd38b6f08059cbd14da667ec224909ce2130d04c5c761359844", kill_on_drop: false }`
[INFO] [stdout] 1256b4dac90b6fd38b6f08059cbd14da667ec224909ce2130d04c5c761359844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "92c439f894ca17ac8cfa10eb8b0a560ce5a6a1f24a0fa73379078628fce91f1b", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `skip_smtp` is never read
[INFO] [stdout]    --> src/core/sleuth.rs:485:29
[INFO] [stdout]     |
[INFO] [stdout] 485 | ...                   skip_smtp = true;
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `skip_smtp` is never read
[INFO] [stdout]    --> src/core/sleuth.rs:485:29
[INFO] [stdout]     |
[INFO] [stdout] 485 | ...                   skip_smtp = true;
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `preference` is never read
[INFO] [stdout]   --> src/utils/dns.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct MailServer {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub preference: u16,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MailServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `preference` is never read
[INFO] [stdout]   --> src/utils/dns.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct MailServer {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub preference: u16,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MailServer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.58s
[INFO] running `Command { std: "docker" "inspect" "92c439f894ca17ac8cfa10eb8b0a560ce5a6a1f24a0fa73379078628fce91f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c439f894ca17ac8cfa10eb8b0a560ce5a6a1f24a0fa73379078628fce91f1b", kill_on_drop: false }`
[INFO] [stdout] 92c439f894ca17ac8cfa10eb8b0a560ce5a6a1f24a0fa73379078628fce91f1b