[INFO] fetching crate dnsaur 0.1.0-alpha.0...
[INFO] checking dnsaur-0.1.0-alpha.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate dnsaur 0.1.0-alpha.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate dnsaur 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate dnsaur 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate dnsaur 0.1.0-alpha.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dnsaur 0.1.0-alpha.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding domain v0.10.4 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b505d1851f29af361a706f0ca2d47d29dfaefdd138fdef7d1881bcc00b1dc11
[INFO] running `Command { std: "docker" "start" "-a" "1b505d1851f29af361a706f0ca2d47d29dfaefdd138fdef7d1881bcc00b1dc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b505d1851f29af361a706f0ca2d47d29dfaefdd138fdef7d1881bcc00b1dc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b505d1851f29af361a706f0ca2d47d29dfaefdd138fdef7d1881bcc00b1dc11", kill_on_drop: false }`
[INFO] [stdout] 1b505d1851f29af361a706f0ca2d47d29dfaefdd138fdef7d1881bcc00b1dc11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4fa50ddfb54dfbf9ef38b6231b9fcdef93dff44f8ab91397b4699b57b2c0ad
[INFO] running `Command { std: "docker" "start" "-a" "1c4fa50ddfb54dfbf9ef38b6231b9fcdef93dff44f8ab91397b4699b57b2c0ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking octseq v0.5.2
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking domain v0.10.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling auto-const-array v0.2.2
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]     Checking monoio v0.2.4
[INFO] [stderr]     Checking snafu v0.8.6
[INFO] [stderr]     Checking dnsaur v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/addr.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn iter(&self) -> Iter {
[INFO] [stdout]    |                        ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/addr.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn iter(&self) -> Iter {
[INFO] [stdout]    |                        ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.50s
[INFO] running `Command { std: "docker" "inspect" "1c4fa50ddfb54dfbf9ef38b6231b9fcdef93dff44f8ab91397b4699b57b2c0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4fa50ddfb54dfbf9ef38b6231b9fcdef93dff44f8ab91397b4699b57b2c0ad", kill_on_drop: false }`
[INFO] [stdout] 1c4fa50ddfb54dfbf9ef38b6231b9fcdef93dff44f8ab91397b4699b57b2c0ad