[INFO] fetching crate stdin_parser_derive 0.1.0...
[INFO] testing stdin_parser_derive-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stdin_parser_derive 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stdin_parser_derive 0.1.0
[INFO] finished tweaking crates.io crate stdin_parser_derive 0.1.0
[INFO] tweaked toml for crates.io crate stdin_parser_derive 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stdin_parser_derive 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.103)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e5aaa30472223dac49eacfec694272c6f4b2689f8fec52f201de185c7af560
[INFO] running `Command { std: "docker" "start" "-a" "16e5aaa30472223dac49eacfec694272c6f4b2689f8fec52f201de185c7af560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e5aaa30472223dac49eacfec694272c6f4b2689f8fec52f201de185c7af560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e5aaa30472223dac49eacfec694272c6f4b2689f8fec52f201de185c7af560", kill_on_drop: false }`
[INFO] [stdout] 16e5aaa30472223dac49eacfec694272c6f4b2689f8fec52f201de185c7af560
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 334bb038880e5e49fb335cf515e653893daaa86c7bf74597e245f6f4e53af192
[INFO] running `Command { std: "docker" "start" "-a" "334bb038880e5e49fb335cf515e653893daaa86c7bf74597e245f6f4e53af192", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling stdin_parser v0.1.0
[INFO] [stderr]    Compiling stdin_parser_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "334bb038880e5e49fb335cf515e653893daaa86c7bf74597e245f6f4e53af192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334bb038880e5e49fb335cf515e653893daaa86c7bf74597e245f6f4e53af192", kill_on_drop: false }`
[INFO] [stdout] 334bb038880e5e49fb335cf515e653893daaa86c7bf74597e245f6f4e53af192
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74fdf42d327ef93a0d073ba1c4019e90feac36821af934eb9cef0c64871e3cd9
[INFO] running `Command { std: "docker" "start" "-a" "74fdf42d327ef93a0d073ba1c4019e90feac36821af934eb9cef0c64871e3cd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling stdin_parser v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling stdin_parser_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a`, `b`, `c`, `d`, and `e` are never read
[INFO] [stdout]   --> examples/simple.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct SimpleStruct {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     /// b is f64
[INFO] [stdout] 12 |     b: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     /// c is f32
[INFO] [stdout] 14 |     c: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     /// d is String
[INFO] [stdout] 16 |     d: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     e: bool,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SimpleStruct` 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: field `a` is never read
[INFO] [stdout]  --> examples/nested.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Inner {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |     /// We are inside the Inner struct
[INFO] [stdout] 7 |     a: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Inner` 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: field `a` is never read
[INFO] [stdout]   --> examples/nested.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Outer {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     /// We are inside the Outer struct
[INFO] [stdout] 13 |     a: Inner,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Outer` 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 `0` is never read
[INFO] [stdout]   --> examples/nested.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     A(Outer),
[INFO] [stdout]    |     - ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OuterEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     A(Outer),
[INFO] [stdout] 19 +     A(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/nested.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |     B(Inner),
[INFO] [stdout]    |     - ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OuterEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -     B(Inner),
[INFO] [stdout] 21 +     B(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/enum.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |     A(i32),
[INFO] [stdout]   |     - ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SimpleEnum` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     A(i32),
[INFO] [stdout] 8 +     A(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "74fdf42d327ef93a0d073ba1c4019e90feac36821af934eb9cef0c64871e3cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74fdf42d327ef93a0d073ba1c4019e90feac36821af934eb9cef0c64871e3cd9", kill_on_drop: false }`
[INFO] [stdout] 74fdf42d327ef93a0d073ba1c4019e90feac36821af934eb9cef0c64871e3cd9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c47d9f7252ff90e686142c2c70924ff129dc977965c6ddcbfaccb746b8dbdede
[INFO] running `Command { std: "docker" "start" "-a" "c47d9f7252ff90e686142c2c70924ff129dc977965c6ddcbfaccb746b8dbdede", kill_on_drop: false }`
[INFO] [stderr] warning: field `a` is never read
[INFO] [stderr]  --> examples/nested.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Inner {
[INFO] [stderr]   |        ----- field in this struct
[INFO] [stderr] 6 |     /// We are inside the Inner struct
[INFO] [stderr] 7 |     a: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `a` is never read
[INFO] [stderr]   --> examples/nested.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Outer {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 12 |     /// We are inside the Outer struct
[INFO] [stderr] 13 |     a: Inner,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/nested.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |     A(Outer),
[INFO] [stderr]    |     - ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OuterEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 19 -     A(Outer),
[INFO] [stderr] 19 +     A(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/nested.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 |     B(Inner),
[INFO] [stderr]    |     - ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OuterEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 21 -     B(Inner),
[INFO] [stderr] 21 +     B(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `stdin_parser_derive` (example "nested") generated 4 warnings
[INFO] [stderr] warning: fields `a`, `b`, `c`, `d`, and `e` are never read
[INFO] [stderr]   --> examples/simple.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | struct SimpleStruct {
[INFO] [stderr]    |        ------------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 10 |     a: i32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 11 |     /// b is f64
[INFO] [stderr] 12 |     b: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 13 |     /// c is f32
[INFO] [stderr] 14 |     c: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 15 |     /// d is String
[INFO] [stderr] 16 |     d: String,
[INFO] [stderr]    |     ^
[INFO] [stderr] 17 |     e: bool,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SimpleStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/enum.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 |     A(i32),
[INFO] [stderr]   |     - ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `SimpleEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     A(i32),
[INFO] [stderr] 8 +     A(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `stdin_parser_derive` (example "simple") generated 1 warning
[INFO] [stderr] warning: `stdin_parser_derive` (example "enum") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stdin_parser_derive-0305e2914d728bd2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stdin_parser_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c47d9f7252ff90e686142c2c70924ff129dc977965c6ddcbfaccb746b8dbdede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47d9f7252ff90e686142c2c70924ff129dc977965c6ddcbfaccb746b8dbdede", kill_on_drop: false }`
[INFO] [stdout] c47d9f7252ff90e686142c2c70924ff129dc977965c6ddcbfaccb746b8dbdede