[INFO] fetching crate dkim 0.1.1...
[INFO] checking dkim-0.1.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate dkim 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dkim 0.1.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded string-tools v0.1.0
[INFO] [stderr]   Downloaded prettydiff v0.3.1
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.0
[INFO] [stderr]   Downloaded email-parser v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30f9d62fa8869bd42f0e58ae35965765d02c85aff26e75a71e6de51361f85962
[INFO] running `Command { std: "docker" "start" "-a" "30f9d62fa8869bd42f0e58ae35965765d02c85aff26e75a71e6de51361f85962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f9d62fa8869bd42f0e58ae35965765d02c85aff26e75a71e6de51361f85962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f9d62fa8869bd42f0e58ae35965765d02c85aff26e75a71e6de51361f85962", kill_on_drop: false }`
[INFO] [stdout] 30f9d62fa8869bd42f0e58ae35965765d02c85aff26e75a71e6de51361f85962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d88db7c456bc223f92756cb89c1511ade89db99c3398ce2cfcb2de40d6ced72d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d88db7c456bc223f92756cb89c1511ade89db99c3398ce2cfcb2de40d6ced72d", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking string-tools v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-bigint-dig v0.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking prettydiff v0.3.1
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking email-parser v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking trust-dns-resolver v0.19.6
[INFO] [stderr]     Checking dkim v0.1.1 (/opt/rustwide/workdir)
[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)]` 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] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "d88db7c456bc223f92756cb89c1511ade89db99c3398ce2cfcb2de40d6ced72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88db7c456bc223f92756cb89c1511ade89db99c3398ce2cfcb2de40d6ced72d", kill_on_drop: false }`
[INFO] [stdout] d88db7c456bc223f92756cb89c1511ade89db99c3398ce2cfcb2de40d6ced72d