[INFO] fetching crate maybe_box 1.0.0... [INFO] testing maybe_box-1.0.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate maybe_box 1.0.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate maybe_box 1.0.0 [INFO] finished tweaking crates.io crate maybe_box 1.0.0 [INFO] tweaked toml for crates.io crate maybe_box 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate maybe_box 1.0.0 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] Blocking waiting for file lock on package cache [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cf7638f9af09e64c9cb07f097de8729425209616169c475c64575e61f2465afd [INFO] running `Command { std: "docker" "start" "-a" "cf7638f9af09e64c9cb07f097de8729425209616169c475c64575e61f2465afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf7638f9af09e64c9cb07f097de8729425209616169c475c64575e61f2465afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf7638f9af09e64c9cb07f097de8729425209616169c475c64575e61f2465afd", kill_on_drop: false }` [INFO] [stdout] cf7638f9af09e64c9cb07f097de8729425209616169c475c64575e61f2465afd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 435d4457890a25372e6ad9b8019de0b443a27704be9eb71509d2fadbaab611ff [INFO] running `Command { std: "docker" "start" "-a" "435d4457890a25372e6ad9b8019de0b443a27704be9eb71509d2fadbaab611ff", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling maybe_box v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `MaybeBox` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:76:45 [INFO] [stdout] | [INFO] [stdout] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | data: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "435d4457890a25372e6ad9b8019de0b443a27704be9eb71509d2fadbaab611ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "435d4457890a25372e6ad9b8019de0b443a27704be9eb71509d2fadbaab611ff", kill_on_drop: false }` [INFO] [stdout] 435d4457890a25372e6ad9b8019de0b443a27704be9eb71509d2fadbaab611ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 578f21f0439bea643174cc43e9c178f59bb0b734bcda95e7bfc8c14be2824872 [INFO] running `Command { std: "docker" "start" "-a" "578f21f0439bea643174cc43e9c178f59bb0b734bcda95e7bfc8c14be2824872", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `MaybeBox` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:76:45 [INFO] [stdout] | [INFO] [stdout] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | data: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling maybe_box v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `MaybeBox` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:76:45 [INFO] [stdout] | [INFO] [stdout] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | data: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "578f21f0439bea643174cc43e9c178f59bb0b734bcda95e7bfc8c14be2824872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "578f21f0439bea643174cc43e9c178f59bb0b734bcda95e7bfc8c14be2824872", kill_on_drop: false }` [INFO] [stdout] 578f21f0439bea643174cc43e9c178f59bb0b734bcda95e7bfc8c14be2824872 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b2990406193207158467393a5ea0f0f2522e3cc524e5e7cb71d498e9e4b55118 [INFO] running `Command { std: "docker" "start" "-a" "b2990406193207158467393a5ea0f0f2522e3cc524e5e7cb71d498e9e4b55118", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:76:50 [INFO] [stderr] | [INFO] [stderr] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the type `MaybeBox` does not permit being left uninitialized [INFO] [stderr] --> src/lib.rs:76:45 [INFO] [stderr] | [INFO] [stderr] 76 | let mut new: MaybeBox = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] note: integers must be initialized (in this struct field) [INFO] [stderr] --> src/lib.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | data: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `maybe_box` (lib) generated 2 warnings [INFO] [stderr] warning: `maybe_box` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maybe_box-b5cc2b28d00ecb48) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests maybe_box [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" "b2990406193207158467393a5ea0f0f2522e3cc524e5e7cb71d498e9e4b55118", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2990406193207158467393a5ea0f0f2522e3cc524e5e7cb71d498e9e4b55118", kill_on_drop: false }` [INFO] [stdout] b2990406193207158467393a5ea0f0f2522e3cc524e5e7cb71d498e9e4b55118