[INFO] fetching crate dkim 0.1.1...
[INFO] checking dkim-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate dkim 0.1.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dkim 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 203 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding email-parser v0.1.3 (available: v0.5.0)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding prettydiff v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding quoted_printable v0.4.8 (available: v0.5.2)
[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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded enum-as-inner v0.3.4
[INFO] [stderr]   Downloaded string-tools v0.1.0
[INFO] [stderr]   Downloaded email-parser v0.1.3
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.7
[INFO] [stderr]   Downloaded prettydiff v0.3.1
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79bc191684904b8ef07a01b1d311cd938debd41c88c7c03796e8a562f0458620
[INFO] running `Command { std: "docker" "start" "-a" "79bc191684904b8ef07a01b1d311cd938debd41c88c7c03796e8a562f0458620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79bc191684904b8ef07a01b1d311cd938debd41c88c7c03796e8a562f0458620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bc191684904b8ef07a01b1d311cd938debd41c88c7c03796e8a562f0458620", kill_on_drop: false }`
[INFO] [stdout] 79bc191684904b8ef07a01b1d311cd938debd41c88c7c03796e8a562f0458620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51f74216111e4670c84cea182a09316e6b03bbec59c99d09e44c340a98cf6d0
[INFO] running `Command { std: "docker" "start" "-a" "e51f74216111e4670c84cea182a09316e6b03bbec59c99d09e44c340a98cf6d0", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking clap v2.34.0
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[INFO] [stderr]     Checking string-tools v0.1.0
[INFO] [stderr]     Checking quoted_printable v0.4.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking num-iter v0.1.45
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[INFO] [stderr]     Checking idna v1.1.0
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[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking prettydiff v0.3.1
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking email-parser v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dkim` (bench "bench") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e51f74216111e4670c84cea182a09316e6b03bbec59c99d09e44c340a98cf6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51f74216111e4670c84cea182a09316e6b03bbec59c99d09e44c340a98cf6d0", kill_on_drop: false }`
[INFO] [stdout] e51f74216111e4670c84cea182a09316e6b03bbec59c99d09e44c340a98cf6d0
