[INFO] fetching crate nt-list_macros 0.3.0...
[INFO] checking nt-list_macros-0.3.0 against master#e43d139a82620a268d3828a73e12a8679339e8f8 for pr-143545
[INFO] extracting crate nt-list_macros 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate nt-list_macros 0.3.0
[INFO] finished tweaking crates.io crate nt-list_macros 0.3.0
[INFO] tweaked toml for crates.io crate nt-list_macros 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nt-list_macros 0.3.0 on toolchain e43d139a82620a268d3828a73e12a8679339e8f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e85389c14c45b10b9c5ee952aea86eb7a4973201f149af1900774938ee98a177
[INFO] running `Command { std: "docker" "start" "-a" "e85389c14c45b10b9c5ee952aea86eb7a4973201f149af1900774938ee98a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85389c14c45b10b9c5ee952aea86eb7a4973201f149af1900774938ee98a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85389c14c45b10b9c5ee952aea86eb7a4973201f149af1900774938ee98a177", kill_on_drop: false }`
[INFO] [stdout] e85389c14c45b10b9c5ee952aea86eb7a4973201f149af1900774938ee98a177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98c441f0252a59a1081dc8fec0e158a2de0832731bd9c704c5531e503df79367
[INFO] running `Command { std: "docker" "start" "-a" "98c441f0252a59a1081dc8fec0e158a2de0832731bd9c704c5531e503df79367", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking nt-list_macros v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/helpers.rs:157:42
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub(crate) fn parse_element_field(field: &Field) -> Option<ElementFieldInfo> {
[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] 157 | pub(crate) fn parse_element_field(field: &Field) -> Option<ElementFieldInfo<'_>> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/helpers.rs:157:42
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub(crate) fn parse_element_field(field: &Field) -> Option<ElementFieldInfo> {
[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] 157 | pub(crate) fn parse_element_field(field: &Field) -> Option<ElementFieldInfo<'_>> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "98c441f0252a59a1081dc8fec0e158a2de0832731bd9c704c5531e503df79367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c441f0252a59a1081dc8fec0e158a2de0832731bd9c704c5531e503df79367", kill_on_drop: false }`
[INFO] [stdout] 98c441f0252a59a1081dc8fec0e158a2de0832731bd9c704c5531e503df79367