[INFO] fetching crate py-ast 0.0.4...
[INFO] checking py-ast-0.0.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate py-ast 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate py-ast 0.0.4
[INFO] finished tweaking crates.io crate py-ast 0.0.4
[INFO] tweaked toml for crates.io crate py-ast 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate py-ast 0.0.4 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 28 packages to latest compatible versions
[INFO] [stderr]       Adding terl v0.0.3 (available: v0.0.4)
[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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 058ad2654514143f07fdebda2d5d7db5bec53c0ef610dfb7f83aa0b05bce526d
[INFO] running `Command { std: "docker" "start" "-a" "058ad2654514143f07fdebda2d5d7db5bec53c0ef610dfb7f83aa0b05bce526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "058ad2654514143f07fdebda2d5d7db5bec53c0ef610dfb7f83aa0b05bce526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058ad2654514143f07fdebda2d5d7db5bec53c0ef610dfb7f83aa0b05bce526d", kill_on_drop: false }`
[INFO] [stdout] 058ad2654514143f07fdebda2d5d7db5bec53c0ef610dfb7f83aa0b05bce526d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f771c4f9c661e123ce43e9eeca7b8fd752dd418be7c1c9d2fafa95b7702c0f9
[INFO] running `Command { std: "docker" "start" "-a" "7f771c4f9c661e123ce43e9eeca7b8fd752dd418be7c1c9d2fafa95b7702c0f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking terl v0.0.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking py-lex v0.0.3
[INFO] [stderr]     Checking py-ir v0.0.4
[INFO] [stderr]     Checking py-declare v0.0.4
[INFO] [stderr]     Checking py-ast v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/semantic/mangle.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn mangle_ty(&self, ty: &py_ir::types::TypeDefine) -> MangleUnit {
[INFO] [stdout]     |                      ^^^^^ this lifetime flows to the output  ---------- 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] 102 |     pub fn mangle_ty(&self, ty: &py_ir::types::TypeDefine) -> MangleUnit<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/semantic/mangle.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn mangle_ty(&self, ty: &py_ir::types::TypeDefine) -> MangleUnit {
[INFO] [stdout]     |                      ^^^^^ this lifetime flows to the output  ---------- 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] 102 |     pub fn mangle_ty(&self, ty: &py_ir::types::TypeDefine) -> MangleUnit<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "7f771c4f9c661e123ce43e9eeca7b8fd752dd418be7c1c9d2fafa95b7702c0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f771c4f9c661e123ce43e9eeca7b8fd752dd418be7c1c9d2fafa95b7702c0f9", kill_on_drop: false }`
[INFO] [stdout] 7f771c4f9c661e123ce43e9eeca7b8fd752dd418be7c1c9d2fafa95b7702c0f9