[INFO] fetching crate unsized_enum 0.0.2... [INFO] testing unsized_enum-0.0.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate unsized_enum 0.0.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate unsized_enum 0.0.2 [INFO] finished tweaking crates.io crate unsized_enum 0.0.2 [INFO] tweaked toml for crates.io crate unsized_enum 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate unsized_enum 0.0.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 676d96485c902be173a2c9cd8d1806a5c83b0dca4a0e39e7a374da138e29a998 [INFO] running `Command { std: "docker" "start" "-a" "676d96485c902be173a2c9cd8d1806a5c83b0dca4a0e39e7a374da138e29a998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "676d96485c902be173a2c9cd8d1806a5c83b0dca4a0e39e7a374da138e29a998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "676d96485c902be173a2c9cd8d1806a5c83b0dca4a0e39e7a374da138e29a998", kill_on_drop: false }` [INFO] [stdout] 676d96485c902be173a2c9cd8d1806a5c83b0dca4a0e39e7a374da138e29a998 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a5263fc033bd36824a7aceb0f8c7b6da4f99ee076a65b3ffbb3fb8ff44a3f60 [INFO] running `Command { std: "docker" "start" "-a" "3a5263fc033bd36824a7aceb0f8c7b6da4f99ee076a65b3ffbb3fb8ff44a3f60", kill_on_drop: false }` [INFO] [stderr] Compiling unsized_enum v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "3a5263fc033bd36824a7aceb0f8c7b6da4f99ee076a65b3ffbb3fb8ff44a3f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a5263fc033bd36824a7aceb0f8c7b6da4f99ee076a65b3ffbb3fb8ff44a3f60", kill_on_drop: false }` [INFO] [stdout] 3a5263fc033bd36824a7aceb0f8c7b6da4f99ee076a65b3ffbb3fb8ff44a3f60 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c55b09acb106e91d0dddb818bbb77735a85fcae77c1440db1133f8b265bba99 [INFO] running `Command { std: "docker" "start" "-a" "7c55b09acb106e91d0dddb818bbb77735a85fcae77c1440db1133f8b265bba99", kill_on_drop: false }` [INFO] [stderr] Compiling unsized_enum v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:374:17 [INFO] [stdout] | [INFO] [stdout] 374 | struct Base(usize); [INFO] [stdout] | ---- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "7c55b09acb106e91d0dddb818bbb77735a85fcae77c1440db1133f8b265bba99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c55b09acb106e91d0dddb818bbb77735a85fcae77c1440db1133f8b265bba99", kill_on_drop: false }` [INFO] [stdout] 7c55b09acb106e91d0dddb818bbb77735a85fcae77c1440db1133f8b265bba99 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4e86e4fd1948806a272629e06fdf72b5780a8d67778371450c97c753befbd39c [INFO] running `Command { std: "docker" "start" "-a" "4e86e4fd1948806a272629e06fdf72b5780a8d67778371450c97c753befbd39c", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:296:20 [INFO] [stderr] | [INFO] [stderr] 296 | pub fn get_mut(&mut self) -> EnumRef { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `unsized_enum` (lib) generated 1 warning (run `cargo fix --lib -p unsized_enum` to apply 1 suggestion) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:374:17 [INFO] [stderr] | [INFO] [stderr] 374 | struct Base(usize); [INFO] [stderr] | ---- ^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `unsized_enum` (lib test) generated 2 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/unsized_enum-67f0ca39d2ccc737) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_sized ... ok [INFO] [stdout] test tests::test ... ok [INFO] [stdout] test tests::test_writing_wrong_type_2 - should panic ... ok [INFO] [stdout] test tests::test_writing_wrong_type_1 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests unsized_enum [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" "4e86e4fd1948806a272629e06fdf72b5780a8d67778371450c97c753befbd39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e86e4fd1948806a272629e06fdf72b5780a8d67778371450c97c753befbd39c", kill_on_drop: false }` [INFO] [stdout] 4e86e4fd1948806a272629e06fdf72b5780a8d67778371450c97c753befbd39c