[INFO] fetching crate random_variant 0.2.7... [INFO] testing random_variant-0.2.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate random_variant 0.2.7 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate random_variant 0.2.7 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.7.17 (available: v0.9.2) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e05972e1f2d77abc42ef8ed1491379af5eb32177f56f612446d00fd204e0811f [INFO] running `Command { std: "docker" "start" "-a" "e05972e1f2d77abc42ef8ed1491379af5eb32177f56f612446d00fd204e0811f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e05972e1f2d77abc42ef8ed1491379af5eb32177f56f612446d00fd204e0811f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e05972e1f2d77abc42ef8ed1491379af5eb32177f56f612446d00fd204e0811f", kill_on_drop: false }` [INFO] [stdout] e05972e1f2d77abc42ef8ed1491379af5eb32177f56f612446d00fd204e0811f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f86b2c2bc98d1a612b380985331c535f150e868d20664859c9fcb7745613709 [INFO] running `Command { std: "docker" "start" "-a" "4f86b2c2bc98d1a612b380985331c535f150e868d20664859c9fcb7745613709", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [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 5.34s [INFO] running `Command { std: "docker" "inspect" "4f86b2c2bc98d1a612b380985331c535f150e868d20664859c9fcb7745613709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f86b2c2bc98d1a612b380985331c535f150e868d20664859c9fcb7745613709", kill_on_drop: false }` [INFO] [stdout] 4f86b2c2bc98d1a612b380985331c535f150e868d20664859c9fcb7745613709 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 078b5fdd98180bfb1c130479ebe8352324cb5fc1c4bd51055ddd85d38d38f465 [INFO] running `Command { std: "docker" "start" "-a" "078b5fdd98180bfb1c130479ebe8352324cb5fc1c4bd51055ddd85d38d38f465", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [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 v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [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); [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, 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 8.85s [INFO] running `Command { std: "docker" "inspect" "078b5fdd98180bfb1c130479ebe8352324cb5fc1c4bd51055ddd85d38d38f465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "078b5fdd98180bfb1c130479ebe8352324cb5fc1c4bd51055ddd85d38d38f465", kill_on_drop: false }` [INFO] [stdout] 078b5fdd98180bfb1c130479ebe8352324cb5fc1c4bd51055ddd85d38d38f465 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 92cc4586c043061bba0949c35e67f503ae9a55727a62c3807230315bed9431fc [INFO] running `Command { std: "docker" "start" "-a" "92cc4586c043061bba0949c35e67f503ae9a55727a62c3807230315bed9431fc", 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); [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, 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 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/random_variant-220cb08e635a0cee) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::tests::small_example ... ok [INFO] [stderr] Doc-tests random_variant [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] [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" "92cc4586c043061bba0949c35e67f503ae9a55727a62c3807230315bed9431fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92cc4586c043061bba0949c35e67f503ae9a55727a62c3807230315bed9431fc", kill_on_drop: false }` [INFO] [stdout] 92cc4586c043061bba0949c35e67f503ae9a55727a62c3807230315bed9431fc