[INFO] fetching crate pro_lang_codegen 3.0.0-rc2...
[INFO] checking pro_lang_codegen-3.0.0-rc2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate pro_lang_codegen 3.0.0-rc2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pro_lang_codegen 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_lang_codegen 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_lang_codegen 3.0.0-rc2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pro_lang_codegen 3.0.0-rc2 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]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding blake2 v0.9.2 (available: v0.10.6)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding funty v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5d4f00a1fcb74c7b81b4f29b6b04d64196ab9c77bc1e74551c951299becad2d8
[INFO] running `Command { std: "docker" "start" "-a" "5d4f00a1fcb74c7b81b4f29b6b04d64196ab9c77bc1e74551c951299becad2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d4f00a1fcb74c7b81b4f29b6b04d64196ab9c77bc1e74551c951299becad2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4f00a1fcb74c7b81b4f29b6b04d64196ab9c77bc1e74551c951299becad2d8", kill_on_drop: false }`
[INFO] [stdout] 5d4f00a1fcb74c7b81b4f29b6b04d64196ab9c77bc1e74551c951299becad2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bf16f3389f49f00efc6e0ea4d28d1c52936cc869fdfdf12cf7cc721f04e197f3
[INFO] running `Command { std: "docker" "start" "-a" "bf16f3389f49f00efc6e0ea4d28d1c52936cc869fdfdf12cf7cc721f04e197f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking pro_lang_ir v3.0.0-rc2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking pro_lang_codegen v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator/dispatch.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |         &self,
[INFO] [stdout]     |         ^^^^^ this lifetime flows to the output
[INFO] [stdout] 558 |     ) -> impl Iterator<Item = ir::CallableWithSelector<ir::Message>> {
[INFO] [stdout]     |                               ------------------------------------- the lifetime gets resolved as `'_`
[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] 558 |     ) -> impl Iterator<Item = ir::CallableWithSelector<'_, ir::Message>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator/dispatch.rs:650:9
[INFO] [stdout]     |
[INFO] [stdout] 650 |         &self,
[INFO] [stdout]     |         ^^^^^ this lifetime flows to the output
[INFO] [stdout] 651 |     ) -> impl Iterator<Item = ir::CallableWithSelector<ir::Constructor>> {
[INFO] [stdout]     |                               ----------------------------------------- the lifetime gets resolved as `'_`
[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] 651 |     ) -> impl Iterator<Item = ir::CallableWithSelector<'_, ir::Constructor>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator/dispatch.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |         &self,
[INFO] [stdout]     |         ^^^^^ this lifetime flows to the output
[INFO] [stdout] 558 |     ) -> impl Iterator<Item = ir::CallableWithSelector<ir::Message>> {
[INFO] [stdout]     |                               ------------------------------------- the lifetime gets resolved as `'_`
[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] 558 |     ) -> impl Iterator<Item = ir::CallableWithSelector<'_, ir::Message>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator/dispatch.rs:650:9
[INFO] [stdout]     |
[INFO] [stdout] 650 |         &self,
[INFO] [stdout]     |         ^^^^^ this lifetime flows to the output
[INFO] [stdout] 651 |     ) -> impl Iterator<Item = ir::CallableWithSelector<ir::Constructor>> {
[INFO] [stdout]     |                               ----------------------------------------- the lifetime gets resolved as `'_`
[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] 651 |     ) -> impl Iterator<Item = ir::CallableWithSelector<'_, ir::Constructor>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.56s
[INFO] running `Command { std: "docker" "inspect" "bf16f3389f49f00efc6e0ea4d28d1c52936cc869fdfdf12cf7cc721f04e197f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf16f3389f49f00efc6e0ea4d28d1c52936cc869fdfdf12cf7cc721f04e197f3", kill_on_drop: false }`
[INFO] [stdout] bf16f3389f49f00efc6e0ea4d28d1c52936cc869fdfdf12cf7cc721f04e197f3