[INFO] fetching crate fexplib 0.3.0...
[INFO] checking fexplib-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fexplib 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fexplib 0.3.0
[INFO] finished tweaking crates.io crate fexplib 0.3.0
[INFO] tweaked toml for crates.io crate fexplib 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fexplib 0.3.0 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] crate crates.io crate fexplib 0.3.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9376f23e0a45bb72f85556c80d4e38d1084049840d7e9a2d459d47d46c687f1d
[INFO] running `Command { std: "docker" "start" "-a" "9376f23e0a45bb72f85556c80d4e38d1084049840d7e9a2d459d47d46c687f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9376f23e0a45bb72f85556c80d4e38d1084049840d7e9a2d459d47d46c687f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9376f23e0a45bb72f85556c80d4e38d1084049840d7e9a2d459d47d46c687f1d", kill_on_drop: false }`
[INFO] [stdout] 9376f23e0a45bb72f85556c80d4e38d1084049840d7e9a2d459d47d46c687f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5f9a265b66693026e659d138446054c704f134f40727d2fd30cd8906afdfcc18
[INFO] running `Command { std: "docker" "start" "-a" "5f9a265b66693026e659d138446054c704f134f40727d2fd30cd8906afdfcc18", kill_on_drop: false }`
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking tattle v0.2.0
[INFO] [stderr]     Checking expect-test v1.5.1
[INFO] [stderr]     Checking pretty v0.12.3
[INFO] [stderr]     Checking fexplib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn parens(&self) -> RcDoc {
[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] 92 |     fn parens(&self) -> RcDoc<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/types.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc {
[INFO] [stdout]     |               ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/types.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn parens(&self) -> RcDoc {
[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] 92 |     fn parens(&self) -> RcDoc<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/types.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc {
[INFO] [stdout]     |               ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "5f9a265b66693026e659d138446054c704f134f40727d2fd30cd8906afdfcc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9a265b66693026e659d138446054c704f134f40727d2fd30cd8906afdfcc18", kill_on_drop: false }`
[INFO] [stdout] 5f9a265b66693026e659d138446054c704f134f40727d2fd30cd8906afdfcc18