[INFO] fetching crate t4rust-derive 0.3.1...
[INFO] checking t4rust-derive-0.3.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate t4rust-derive 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate t4rust-derive 0.3.1
[INFO] finished tweaking crates.io crate t4rust-derive 0.3.1
[INFO] tweaked toml for crates.io crate t4rust-derive 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate t4rust-derive 0.3.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate t4rust-derive 0.3.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f59ad9a66e0ef3f6bef2cd31ae4ad4a915c08d3024db62e2e660699ff9f9570b
[INFO] running `Command { std: "docker" "start" "-a" "f59ad9a66e0ef3f6bef2cd31ae4ad4a915c08d3024db62e2e660699ff9f9570b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f59ad9a66e0ef3f6bef2cd31ae4ad4a915c08d3024db62e2e660699ff9f9570b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59ad9a66e0ef3f6bef2cd31ae4ad4a915c08d3024db62e2e660699ff9f9570b", kill_on_drop: false }`
[INFO] [stdout] f59ad9a66e0ef3f6bef2cd31ae4ad4a915c08d3024db62e2e660699ff9f9570b
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bf2c743ad989f2f917da75856d2fcdf5a576252773e37651014b777c281fa44
[INFO] running `Command { std: "docker" "start" "-a" "5bf2c743ad989f2f917da75856d2fcdf5a576252773e37651014b777c281fa44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking t4rust-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:747:6
[INFO] [stdout]     |
[INFO] [stdout] 747 |     s: &'a str,
[INFO] [stdout]     |         ^^ these lifetimes flow to the output
[INFO] [stdout] 748 |     t: &'a str,
[INFO] [stdout]     |         ^^ these lifetimes flow to the output
[INFO] [stdout] 749 | ) -> impl Fn(&'a str) -> IResult<&str, &str>
[INFO] [stdout]     |               --                 ----  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |               |                  |
[INFO] [stdout]     |               |                  the lifetimes get resolved as `'a`
[INFO] [stdout]     |               the lifetimes get resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 749 | ) -> impl Fn(&'a str) -> IResult<&'a str, &'a str>
[INFO] [stdout]     |                                   ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:747:6
[INFO] [stdout]     |
[INFO] [stdout] 747 |     s: &'a str,
[INFO] [stdout]     |         ^^ these lifetimes flow to the output
[INFO] [stdout] 748 |     t: &'a str,
[INFO] [stdout]     |         ^^ these lifetimes flow to the output
[INFO] [stdout] 749 | ) -> impl Fn(&'a str) -> IResult<&str, &str>
[INFO] [stdout]     |               --                 ----  ---- the lifetimes get resolved as `'a`
[INFO] [stdout]     |               |                  |
[INFO] [stdout]     |               |                  the lifetimes get resolved as `'a`
[INFO] [stdout]     |               the lifetimes get resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 749 | ) -> impl Fn(&'a str) -> IResult<&'a str, &'a str>
[INFO] [stdout]     |                                   ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "5bf2c743ad989f2f917da75856d2fcdf5a576252773e37651014b777c281fa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf2c743ad989f2f917da75856d2fcdf5a576252773e37651014b777c281fa44", kill_on_drop: false }`
[INFO] [stdout] 5bf2c743ad989f2f917da75856d2fcdf5a576252773e37651014b777c281fa44