[INFO] fetching crate dkim 0.1.1...
[INFO] checking dkim-0.1.1 against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-152972
[INFO] extracting crate dkim 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dkim 0.1.1
[INFO] finished tweaking crates.io crate dkim 0.1.1
[INFO] tweaked toml for crates.io crate dkim 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dkim 0.1.1 on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "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" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 203 packages to highest compatible versions
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.23.1)
[INFO] [stderr]       Adding email-parser v0.1.3 (available: v0.5.0)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
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[INFO] [stderr]       Adding rsa v0.3.0 (available: v0.9.10)
[INFO] [stderr]       Adding sha-1 v0.9.8 (available: v0.10.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.11.0)
[INFO] [stderr]       Adding trust-dns-resolver v0.19.7 (available: v0.23.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "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-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5
[INFO] running `Command { std: "docker" "start" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5", 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" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5", 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" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking dkim v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `sha1_supported`, `sha256_supported`, `subdomains_disallowed`, `testing_domain`, `key_type`, and `note` are never read
[INFO] [stdout]    --> src/dkim.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 502 | pub struct PublicKey {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 503 |     sha1_supported: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 504 |     sha256_supported: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 505 |     subdomains_disallowed: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 506 |     testing_domain: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 507 |     key_type: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 508 |     note: Option<String>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PublicKey` 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/email.rs:182:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn try_from(email: &'a str) -> Result<Email, Self::Error> {
[INFO] [stdout]     |                         --                ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn try_from(email: &'a str) -> Result<Email<'a>, Self::Error> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sha1_supported`, `sha256_supported`, `subdomains_disallowed`, `testing_domain`, `key_type`, and `note` are never read
[INFO] [stdout]    --> src/dkim.rs:503:5
[INFO] [stdout]     |
[INFO] [stdout] 502 | pub struct PublicKey {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 503 |     sha1_supported: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 504 |     sha256_supported: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 505 |     subdomains_disallowed: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 506 |     testing_domain: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 507 |     key_type: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 508 |     note: Option<String>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PublicKey` 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/email.rs:182:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn try_from(email: &'a str) -> Result<Email, Self::Error> {
[INFO] [stdout]     |                         --                ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn try_from(email: &'a str) -> Result<Email<'a>, Self::Error> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> benches/bench.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (headers, body) = email_parser::parser::parse_message_with_separators(MAIL.as_bytes()).unwrap();
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> benches/bench.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (headers, body) = email_parser::parser::parse_message_with_separators(MAIL.as_bytes()).unwrap();
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `prettydiff`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.prettydiff]
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `prettydiff`
[INFO] [stderr] warning: `dkim` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.02s
[INFO] running `Command { std: "docker" "inspect" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5", kill_on_drop: false }`
[INFO] [stdout] d968aa3d83bc10ef167bacb5d1ddf20fc181b6702dcc42968077e2eea61100e5
