[INFO] fetching crate random_variant 0.2.7...
[INFO] testing random_variant-0.2.7 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate random_variant 0.2.7 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate random_variant 0.2.7
[INFO] finished tweaking crates.io crate random_variant 0.2.7
[INFO] tweaked toml for crates.io crate random_variant 0.2.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate random_variant 0.2.7 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to highest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.3)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random_variant_macro v0.2.0
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14
[INFO] running `Command { std: "docker" "start" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling random_variant_macro v0.2.0
[INFO] [stderr]    Compiling random_variant v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std_impls::*`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use std_impls::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stdout] warning: unused import: `std_impls::*`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use std_impls::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling random_variant v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std_impls::*`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use std_impls::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Message` is never constructed
[INFO] [stdout]   --> src/test.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub struct Message {
[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 `SecondTop` is never used
[INFO] [stdout]   --> src/test.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub enum SecondTop {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Top` is never used
[INFO] [stdout]   --> src/test.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub enum Top {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Nested` is never used
[INFO] [stdout]   --> src/test.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub enum Nested {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestUnnamed3` is never constructed
[INFO] [stdout]   --> src/test.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct TestUnnamed3(pub u16);
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestUnnamed1` is never used
[INFO] [stdout]   --> src/test.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub enum TestUnnamed1 {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestUnnamed2` is never constructed
[INFO] [stdout]   --> src/test.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub struct TestUnnamed2(u16, u32, u64);
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gen1` is never constructed
[INFO] [stdout]   --> src/test.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub struct Gen1<A: RandomVariant + Clone>(A);
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gen2` is never constructed
[INFO] [stdout]   --> src/test.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub struct Gen2<A: RandomVariant + Clone, B: RandomVariant + Clone>(A, B);
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Generic2` is never used
[INFO] [stdout]   --> src/test.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub enum Generic2 {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TestNamed1` is never used
[INFO] [stdout]    --> src/test.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub enum TestNamed1 {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std_impls::*`
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use std_impls::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `random_variant` (lib) generated 1 warning (run `cargo fix --lib -p random_variant` to apply 1 suggestion)
[INFO] [stderr] warning: struct `Message` is never constructed
[INFO] [stderr]   --> src/test.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub struct Message {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SecondTop` is never used
[INFO] [stderr]   --> src/test.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub enum SecondTop {
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Top` is never used
[INFO] [stderr]   --> src/test.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub enum Top {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Nested` is never used
[INFO] [stderr]   --> src/test.rs:65:14
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub enum Nested {
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestUnnamed3` is never constructed
[INFO] [stderr]   --> src/test.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub struct TestUnnamed3(pub u16);
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TestUnnamed1` is never used
[INFO] [stderr]   --> src/test.rs:83:14
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub enum TestUnnamed1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestUnnamed2` is never constructed
[INFO] [stderr]   --> src/test.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub struct TestUnnamed2(u16, u32, u64);
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Gen1` is never constructed
[INFO] [stderr]   --> src/test.rs:93:16
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub struct Gen1<A: RandomVariant + Clone>(A);
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Gen2` is never constructed
[INFO] [stderr]   --> src/test.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub struct Gen2<A: RandomVariant + Clone, B: RandomVariant + Clone>(A, B);
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Generic2` is never used
[INFO] [stderr]   --> src/test.rs:99:14
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub enum Generic2 {
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TestNamed1` is never used
[INFO] [stderr]    --> src/test.rs:105:14
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub enum TestNamed1 {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `random_variant` (lib test) generated 12 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/random_variant-3884400ab02e4bb9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::tests::small_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random_variant
[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" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14", kill_on_drop: false }`
[INFO] [stdout] 19c1e8a8ddc6b577a1fdc609c05cac6f2f1da05586dd709d4bc0a64264fd7d14
