[INFO] fetching crate messloc 0.0.1... [INFO] building messloc-0.0.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate messloc 0.0.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate messloc 0.0.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate messloc 0.0.1 [INFO] finished tweaking crates.io crate messloc 0.0.1 [INFO] tweaked toml for crates.io crate messloc 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate messloc 0.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f29bb2bc220bec14661ef66021c4ef35972c27fe9df6a2da749a5bb74eccb6c2 [INFO] running `Command { std: "docker" "start" "-a" "f29bb2bc220bec14661ef66021c4ef35972c27fe9df6a2da749a5bb74eccb6c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f29bb2bc220bec14661ef66021c4ef35972c27fe9df6a2da749a5bb74eccb6c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f29bb2bc220bec14661ef66021c4ef35972c27fe9df6a2da749a5bb74eccb6c2", kill_on_drop: false }` [INFO] [stdout] f29bb2bc220bec14661ef66021c4ef35972c27fe9df6a2da749a5bb74eccb6c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3f0ef9b056513b06ac1e1a334e317e1015e5448213aa1bfff295c94af49e5cb [INFO] running `Command { std: "docker" "start" "-a" "e3f0ef9b056513b06ac1e1a334e317e1015e5448213aa1bfff295c94af49e5cb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling spin v0.9.4 [INFO] [stderr] Compiling memmap2 v0.5.8 [INFO] [stderr] Compiling messloc v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `allocator_api` [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(feature = "allocator_api")] [INFO] [stdout] | ^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"allocator-api"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `allocator-api` [INFO] [stdout] = help: consider adding `allocator_api` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `slice_ptr_len` has been stable since 1.79.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(slice_ptr_len)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "e3f0ef9b056513b06ac1e1a334e317e1015e5448213aa1bfff295c94af49e5cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3f0ef9b056513b06ac1e1a334e317e1015e5448213aa1bfff295c94af49e5cb", kill_on_drop: false }` [INFO] [stdout] e3f0ef9b056513b06ac1e1a334e317e1015e5448213aa1bfff295c94af49e5cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55f6e769c498066cefc3ec68277580b59a0c3e0ba51c1369cd7b0658962f9b87 [INFO] running `Command { std: "docker" "start" "-a" "55f6e769c498066cefc3ec68277580b59a0c3e0ba51c1369cd7b0658962f9b87", kill_on_drop: false }` [INFO] [stdout] warning: unexpected `cfg` condition value: `allocator_api` [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(feature = "allocator_api")] [INFO] [stdout] | ^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"allocator-api"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `allocator-api` [INFO] [stdout] = help: consider adding `allocator_api` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling messloc v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `slice_ptr_len` has been stable since 1.79.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(slice_ptr_len)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `ALLOCATOR` is never used [INFO] [stdout] --> src/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | static ALLOCATOR: MessyLock = MessyLock(once_cell::sync::OnceCell::new()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Messloc::allocate` that must be used [INFO] [stdout] --> src/main.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | unsafe { allocator.allocate(std::alloc::Layout::from_size_align(48, 8).unwrap()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | unsafe { let _ = allocator.allocate(std::alloc::Layout::from_size_align(48, 8).unwrap()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Messloc::allocate` that must be used [INFO] [stdout] --> src/main.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | unsafe { allocator.allocate(std::alloc::Layout::from_size_align(1, 1).unwrap()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 14 | unsafe { let _ = allocator.allocate(std::alloc::Layout::from_size_align(1, 1).unwrap()); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `allocator_api` [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(feature = "allocator_api")] [INFO] [stdout] | ^^^^^^^^^^--------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"allocator-api"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `allocator-api` [INFO] [stdout] = help: consider adding `allocator_api` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `slice_ptr_len` has been stable since 1.79.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(slice_ptr_len)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "55f6e769c498066cefc3ec68277580b59a0c3e0ba51c1369cd7b0658962f9b87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55f6e769c498066cefc3ec68277580b59a0c3e0ba51c1369cd7b0658962f9b87", kill_on_drop: false }` [INFO] [stdout] 55f6e769c498066cefc3ec68277580b59a0c3e0ba51c1369cd7b0658962f9b87