[INFO] fetching crate serde-implicit 0.1.1...
[INFO] building serde-implicit-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate serde-implicit 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde-implicit 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde-implicit 0.1.1
[INFO] tweaked toml for crates.io crate serde-implicit 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-implicit 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-implicit 0.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93e54f36d3db14f1b2fe09c8649b6780ef233fc074e37f0dc583d710e581d198
[INFO] running `Command { std: "docker" "start" "-a" "93e54f36d3db14f1b2fe09c8649b6780ef233fc074e37f0dc583d710e581d198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e54f36d3db14f1b2fe09c8649b6780ef233fc074e37f0dc583d710e581d198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e54f36d3db14f1b2fe09c8649b6780ef233fc074e37f0dc583d710e581d198", kill_on_drop: false }`
[INFO] [stdout] 93e54f36d3db14f1b2fe09c8649b6780ef233fc074e37f0dc583d710e581d198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89820ca3b1f6ac06306f417bdb4684097847ae4b30992123c9300d4314c770e0
[INFO] running `Command { std: "docker" "start" "-a" "89820ca3b1f6ac06306f417bdb4684097847ae4b30992123c9300d4314c770e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde-implicit-proc v0.1.1
[INFO] [stderr]    Compiling serde-implicit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "89820ca3b1f6ac06306f417bdb4684097847ae4b30992123c9300d4314c770e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89820ca3b1f6ac06306f417bdb4684097847ae4b30992123c9300d4314c770e0", kill_on_drop: false }`
[INFO] [stdout] 89820ca3b1f6ac06306f417bdb4684097847ae4b30992123c9300d4314c770e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14c8d43976dc7864cd67f23e59ae0d42d32a29247e0ddfd6b050215221d6db1
[INFO] running `Command { std: "docker" "start" "-a" "e14c8d43976dc7864cd67f23e59ae0d42d32a29247e0ddfd6b050215221d6db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling proptest v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling proptest-derive v0.5.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]    Compiling serde-implicit-proc v0.1.1
[INFO] [stderr]    Compiling serde-implicit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling trybuild v1.0.105
[INFO] [stdout] warning: fields `string_tag` and `value` are never read
[INFO] [stdout]   --> tests/dummy.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout]  8 |         StringVariant {
[INFO] [stdout]    |         ------------- fields in this variant
[INFO] [stdout]  9 |             #[serde_implicit(tag)]
[INFO] [stdout] 10 |             string_tag: String,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 11 |             value: u32,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiTypeTag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `number_tag`, `value`, and `unique_field` are never read
[INFO] [stdout]   --> tests/dummy.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         NumberVariant {
[INFO] [stdout]    |         ------------- fields in this variant
[INFO] [stdout] 14 |             #[serde_implicit(tag)]
[INFO] [stdout] 15 |             number_tag: u64,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 16 |             value: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 17 |             unique_field: String,
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiTypeTag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bool_tag` and `value` are never read
[INFO] [stdout]   --> tests/dummy.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         BoolVariant {
[INFO] [stdout]    |         ----------- fields in this variant
[INFO] [stdout] 20 |             #[serde_implicit(tag)]
[INFO] [stdout] 21 |             bool_tag: bool,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 22 |             value: Vec<String>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiTypeTag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variants` is never read
[INFO] [stdout]   --> tests/dummy.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Multiple {
[INFO] [stdout]    |         -------- field in this variant
[INFO] [stdout] 70 |             #[serde_implicit(tag)]
[INFO] [stdout] 71 |             variants: Vec<u32>,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnumWithFallThrough` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `one` is never read
[INFO] [stdout]   --> tests/dummy.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Single {
[INFO] [stdout]    |         ------ field in this variant
[INFO] [stdout] 74 |             one: T,
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnumWithFallThrough` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RecursiveEnum` is never used
[INFO] [stdout]   --> tests/proptest.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 65 | enum RecursiveEnum {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EmptyEnum` is never used
[INFO] [stdout]   --> tests/proptest.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     enum EmptyEnum {}
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SingleVariant` is never used
[INFO] [stdout]   --> tests/proptest.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 |     enum SingleVariant {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 43.59s
[INFO] running `Command { std: "docker" "inspect" "e14c8d43976dc7864cd67f23e59ae0d42d32a29247e0ddfd6b050215221d6db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14c8d43976dc7864cd67f23e59ae0d42d32a29247e0ddfd6b050215221d6db1", kill_on_drop: false }`
[INFO] [stdout] e14c8d43976dc7864cd67f23e59ae0d42d32a29247e0ddfd6b050215221d6db1