[INFO] fetching crate modelstruct 0.1.0...
[INFO] building modelstruct-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate modelstruct 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate modelstruct 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate modelstruct 0.1.0
[INFO] tweaked toml for crates.io crate modelstruct 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modelstruct 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modelstruct 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e076424e64ca66739ef031b5e161804f5d69a96acb91a70589dd56e3a0065b1d
[INFO] running `Command { std: "docker" "start" "-a" "e076424e64ca66739ef031b5e161804f5d69a96acb91a70589dd56e3a0065b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e076424e64ca66739ef031b5e161804f5d69a96acb91a70589dd56e3a0065b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e076424e64ca66739ef031b5e161804f5d69a96acb91a70589dd56e3a0065b1d", kill_on_drop: false }`
[INFO] [stdout] e076424e64ca66739ef031b5e161804f5d69a96acb91a70589dd56e3a0065b1d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f300e43848b623acba5ff61907f93f88e75cf1b027df5d49a18db42af398cded
[INFO] running `Command { std: "docker" "start" "-a" "f300e43848b623acba5ff61907f93f88e75cf1b027df5d49a18db42af398cded", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling modelstruct_derive v0.1.0
[INFO] [stderr]    Compiling modelstruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "f300e43848b623acba5ff61907f93f88e75cf1b027df5d49a18db42af398cded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f300e43848b623acba5ff61907f93f88e75cf1b027df5d49a18db42af398cded", kill_on_drop: false }`
[INFO] [stdout] f300e43848b623acba5ff61907f93f88e75cf1b027df5d49a18db42af398cded
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e6fb8df4d4cfcc1e0e72e008b3698b763e6507e2bc3e12f0f7beb995423569
[INFO] running `Command { std: "docker" "start" "-a" "46e6fb8df4d4cfcc1e0e72e008b3698b763e6507e2bc3e12f0f7beb995423569", kill_on_drop: false }`
[INFO] [stderr]    Compiling modelstruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `name`, `email`, `age`, and `is_active` are never read
[INFO] [stdout]  --> tests/integration_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TestUser {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 5 |     id: i32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     email: Option<String>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     age: Option<i32>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     is_active: bool,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> tests/integration_test.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     struct AllTypes {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 25 |         int32: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |         int64: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 27 |         uint32: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 28 |         uint64: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 29 |         float32: f32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |         float64: f64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 31 |         boolean: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 32 |         string: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 33 |         optional_int: Option<i32>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 34 |         optional_string: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "46e6fb8df4d4cfcc1e0e72e008b3698b763e6507e2bc3e12f0f7beb995423569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e6fb8df4d4cfcc1e0e72e008b3698b763e6507e2bc3e12f0f7beb995423569", kill_on_drop: false }`
[INFO] [stdout] 46e6fb8df4d4cfcc1e0e72e008b3698b763e6507e2bc3e12f0f7beb995423569