[INFO] fetching crate e173 0.1.0-alpha.4...
[INFO] building e173-0.1.0-alpha.4 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate e173 0.1.0-alpha.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate e173 0.1.0-alpha.4 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate e173 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate e173 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate e173 0.1.0-alpha.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate e173 0.1.0-alpha.4 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d1f2d0baa32b0a86432add867bb273566b6819cecbf177d2fac87b2c6fc8ba7
[INFO] running `Command { std: "docker" "start" "-a" "1d1f2d0baa32b0a86432add867bb273566b6819cecbf177d2fac87b2c6fc8ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d1f2d0baa32b0a86432add867bb273566b6819cecbf177d2fac87b2c6fc8ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1f2d0baa32b0a86432add867bb273566b6819cecbf177d2fac87b2c6fc8ba7", kill_on_drop: false }`
[INFO] [stdout] 1d1f2d0baa32b0a86432add867bb273566b6819cecbf177d2fac87b2c6fc8ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b22b33f373258d589f1cfa28499348ee6079e3491334ca1632632c4d0c77c503
[INFO] running `Command { std: "docker" "start" "-a" "b22b33f373258d589f1cfa28499348ee6079e3491334ca1632632c4d0c77c503", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling json-pointer v0.3.4
[INFO] [stderr]    Compiling e173 v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ParameterDatabase` is never constructed
[INFO] [stdout]  --> src/controller/param_db.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ParameterDatabase {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParameterDatabase` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "b22b33f373258d589f1cfa28499348ee6079e3491334ca1632632c4d0c77c503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22b33f373258d589f1cfa28499348ee6079e3491334ca1632632c4d0c77c503", kill_on_drop: false }`
[INFO] [stdout] b22b33f373258d589f1cfa28499348ee6079e3491334ca1632632c4d0c77c503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29480f774646f5e094442c4d832afcc149c8fa6121455a74582f7565446c9f46
[INFO] running `Command { std: "docker" "start" "-a" "29480f774646f5e094442c4d832afcc149c8fa6121455a74582f7565446c9f46", kill_on_drop: false }`
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[INFO] [stderr]    Compiling json-pointer v0.3.4
[INFO] [stderr]    Compiling macrotest v1.0.13
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.45
[INFO] [stderr]    Compiling idna v1.0.2
[INFO] [stderr]    Compiling e173 v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jsonschema v0.23.0
[INFO] [stdout] warning: struct `ParameterDatabase` is never constructed
[INFO] [stdout]  --> src/controller/param_db.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ParameterDatabase {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParameterDatabase` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParameterDatabase` is never constructed
[INFO] [stdout]  --> src/controller/param_db.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ParameterDatabase {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParameterDatabase` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 50.50s
[INFO] running `Command { std: "docker" "inspect" "29480f774646f5e094442c4d832afcc149c8fa6121455a74582f7565446c9f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29480f774646f5e094442c4d832afcc149c8fa6121455a74582f7565446c9f46", kill_on_drop: false }`
[INFO] [stdout] 29480f774646f5e094442c4d832afcc149c8fa6121455a74582f7565446c9f46