[INFO] fetching crate derive-into-owned 0.2.0...
[INFO] testing derive-into-owned-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate derive-into-owned 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate derive-into-owned 0.2.0
[INFO] finished tweaking crates.io crate derive-into-owned 0.2.0
[INFO] tweaked toml for crates.io crate derive-into-owned 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive-into-owned 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8509f18e853f5ceeb7032d0d8996bd52bbb79a79823acbca73a3d4d0a343bd5d
[INFO] running `Command { std: "docker" "start" "-a" "8509f18e853f5ceeb7032d0d8996bd52bbb79a79823acbca73a3d4d0a343bd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8509f18e853f5ceeb7032d0d8996bd52bbb79a79823acbca73a3d4d0a343bd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8509f18e853f5ceeb7032d0d8996bd52bbb79a79823acbca73a3d4d0a343bd5d", kill_on_drop: false }`
[INFO] [stdout] 8509f18e853f5ceeb7032d0d8996bd52bbb79a79823acbca73a3d4d0a343bd5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7ce11072480e3a7e7978feecdf7235f1353732d0511e5edb487c6dcd6de341b0
[INFO] running `Command { std: "docker" "start" "-a" "7ce11072480e3a7e7978feecdf7235f1353732d0511e5edb487c6dcd6de341b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive-into-owned v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "7ce11072480e3a7e7978feecdf7235f1353732d0511e5edb487c6dcd6de341b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce11072480e3a7e7978feecdf7235f1353732d0511e5edb487c6dcd6de341b0", kill_on_drop: false }`
[INFO] [stdout] 7ce11072480e3a7e7978feecdf7235f1353732d0511e5edb487c6dcd6de341b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 011bfa3ba0f3817ce9b8bcd1fa9c654ebb1b50f7e18d84e93997355ea0805a4c
[INFO] running `Command { std: "docker" "start" "-a" "011bfa3ba0f3817ce9b8bcd1fa9c654ebb1b50f7e18d84e93997355ea0805a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive-into-owned v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/borrowed.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     drop(lives_longer);
[INFO] [stdout]    |     ^^^^^------------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&Foo<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -     drop(lives_longer);
[INFO] [stdout] 41 +     let _ = lives_longer;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "011bfa3ba0f3817ce9b8bcd1fa9c654ebb1b50f7e18d84e93997355ea0805a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011bfa3ba0f3817ce9b8bcd1fa9c654ebb1b50f7e18d84e93997355ea0805a4c", kill_on_drop: false }`
[INFO] [stdout] 011bfa3ba0f3817ce9b8bcd1fa9c654ebb1b50f7e18d84e93997355ea0805a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d95ad208742d7fcee9769e6d48ed7e12b895e432a4e32a4f402efc4879670833
[INFO] running `Command { std: "docker" "start" "-a" "d95ad208742d7fcee9769e6d48ed7e12b895e432a4e32a4f402efc4879670833", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> tests/borrowed.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     drop(lives_longer);
[INFO] [stderr]    |     ^^^^^------------^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          argument has type `&Foo<'_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 41 -     drop(lives_longer);
[INFO] [stderr] 41 +     let _ = lives_longer;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `derive-into-owned` (test "borrowed") 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/derive_into_owned-ca38de4d72c87544)
[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]      Running tests/borrowed.rs (/opt/rustwide/target/debug/deps/borrowed-393dd2a198606777)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test borrowed ... 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]      Running tests/generic_tuple_struct.rs (/opt/rustwide/target/debug/deps/generic_tuple_struct-766e0655ce224168)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tuple_struct ... 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]      Running tests/opt_field.rs (/opt/rustwide/target/debug/deps/opt_field-d78e27473136cbdd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test opt_cow_field ... 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]      Running tests/simple_enum.rs (/opt/rustwide/target/debug/deps/simple_enum-5ee1708a40a20696)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test enum_with_only_cow_variants ... 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]      Running tests/struct.rs (/opt/rustwide/target/debug/deps/struct-59912483ccaca671)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simplest ... 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]      Running tests/tuple_struct.rs (/opt/rustwide/target/debug/deps/tuple_struct-7fef779b5721aa76)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tuple_struct ... 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]      Running tests/unit_struct.rs (/opt/rustwide/target/debug/deps/unit_struct-70c0b358474c75a3)
[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]      Running tests/variant_enum.rs (/opt/rustwide/target/debug/deps/variant_enum-ca2b03462635f40f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test enum_with_only_cow_variants ... 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]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-7a80c8fd7214726a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vec ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests derive_into_owned
[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" "d95ad208742d7fcee9769e6d48ed7e12b895e432a4e32a4f402efc4879670833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95ad208742d7fcee9769e6d48ed7e12b895e432a4e32a4f402efc4879670833", kill_on_drop: false }`
[INFO] [stdout] d95ad208742d7fcee9769e6d48ed7e12b895e432a4e32a4f402efc4879670833