[INFO] fetching crate nu_plugin_from_dhall 0.1.0...
[INFO] checking nu_plugin_from_dhall-0.1.0 against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] extracting crate nu_plugin_from_dhall 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nu_plugin_from_dhall 0.1.0
[INFO] finished tweaking crates.io crate nu_plugin_from_dhall 0.1.0
[INFO] tweaked toml for crates.io crate nu_plugin_from_dhall 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nu_plugin_from_dhall 0.1.0 on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nu_plugin_from_dhall 0.1.0 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8545b61d7f55f5f9f77fed3572284fda1f6dd7c93d31c264f88256cc4bc37d9e
[INFO] running `Command { std: "docker" "start" "-a" "8545b61d7f55f5f9f77fed3572284fda1f6dd7c93d31c264f88256cc4bc37d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8545b61d7f55f5f9f77fed3572284fda1f6dd7c93d31c264f88256cc4bc37d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8545b61d7f55f5f9f77fed3572284fda1f6dd7c93d31c264f88256cc4bc37d9e", kill_on_drop: false }`
[INFO] [stdout] 8545b61d7f55f5f9f77fed3572284fda1f6dd7c93d31c264f88256cc4bc37d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790bc00384fa470da8a093469a29257eb9053de07be2f08983cbb53c5488fae0
[INFO] running `Command { std: "docker" "start" "-a" "790bc00384fa470da8a093469a29257eb9053de07be2f08983cbb53c5488fae0", kill_on_drop: false }`
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[INFO] [stderr]     Checking nu_plugin_from_dhall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/plugin.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn examples(&self) -> Vec<Example> {
[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] 36 |     fn examples(&self) -> Vec<Example<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/plugin.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn examples(&self) -> Vec<Example> {
[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] 36 |     fn examples(&self) -> Vec<Example<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.35s
[INFO] running `Command { std: "docker" "inspect" "790bc00384fa470da8a093469a29257eb9053de07be2f08983cbb53c5488fae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790bc00384fa470da8a093469a29257eb9053de07be2f08983cbb53c5488fae0", kill_on_drop: false }`
[INFO] [stdout] 790bc00384fa470da8a093469a29257eb9053de07be2f08983cbb53c5488fae0