[INFO] fetching crate alloc-no-stdlib 2.0.4...
[INFO] checking alloc-no-stdlib-2.0.4 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate alloc-no-stdlib 2.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate alloc-no-stdlib 2.0.4 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alloc-no-stdlib 2.0.4
[INFO] finished tweaking crates.io crate alloc-no-stdlib 2.0.4
[INFO] tweaked toml for crates.io crate alloc-no-stdlib 2.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate alloc-no-stdlib 2.0.4 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbd87083e0d32ea5bbae9e1f3f290402a1ebf36e7f0cd76f5fbb378fb1826e2
[INFO] running `Command { std: "docker" "start" "-a" "efbd87083e0d32ea5bbae9e1f3f290402a1ebf36e7f0cd76f5fbb378fb1826e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbd87083e0d32ea5bbae9e1f3f290402a1ebf36e7f0cd76f5fbb378fb1826e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbd87083e0d32ea5bbae9e1f3f290402a1ebf36e7f0cd76f5fbb378fb1826e2", kill_on_drop: false }`
[INFO] [stdout] efbd87083e0d32ea5bbae9e1f3f290402a1ebf36e7f0cd76f5fbb378fb1826e2
[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=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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88c6dbaa5c6186568542e318efd6113f2c5697a12fede565cd1a10e750af6cc8
[INFO] running `Command { std: "docker" "start" "-a" "88c6dbaa5c6186568542e318efd6113f2c5697a12fede565cd1a10e750af6cc8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::ops::IndexMut`
[INFO] [stdout]  --> src/allocated_memory/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use core::ops::IndexMut;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Index`
[INFO] [stdout]  --> src/allocated_memory/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use core::ops::Index;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Range`
[INFO] [stdout]  --> src/allocated_memory/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use core::ops::Range;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::IndexMut`
[INFO] [stdout]  --> src/allocated_memory/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use core::ops::IndexMut;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Index`
[INFO] [stdout]  --> src/allocated_memory/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use core::ops::Index;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Range`
[INFO] [stdout]  --> src/allocated_memory/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use core::ops::Range;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     core::mem::forget(core::mem::replace(&mut self.data, &mut[]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^------------------------------------------^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       argument has type `&mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 78 -     core::mem::forget(core::mem::replace(&mut self.data, &mut[]));
[INFO] [stdout] 78 +     let _ = core::mem::replace(&mut self.data, &mut[]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     core::mem::forget(core::mem::replace(&mut self.data, &mut[]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^------------------------------------------^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       argument has type `&mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 78 -     core::mem::forget(core::mem::replace(&mut self.data, &mut[]));
[INFO] [stdout] 78 +     let _ = core::mem::replace(&mut self.data, &mut[]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]  --> src/bin/tests.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature="stdlib")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]   = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]  --> src/bin/tests.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(all(feature="unsafe", feature="stdlib"))]
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]   = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]   --> src/bin/tests.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[cfg(all(feature="unsafe", feature="stdlib"))]
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]    = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]   --> src/bin/tests.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg(feature="stdlib")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]    = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]  --> src/bin/tests.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature="stdlib")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]   = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]  --> src/bin/tests.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(all(feature="unsafe", feature="stdlib"))]
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]   = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]   --> src/bin/tests.rs:30:29
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[cfg(all(feature="unsafe", feature="stdlib"))]
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]    = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stdlib`
[INFO] [stdout]   --> src/bin/tests.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg(feature="stdlib")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `unsafe`
[INFO] [stdout]    = help: consider adding `stdlib` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "88c6dbaa5c6186568542e318efd6113f2c5697a12fede565cd1a10e750af6cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c6dbaa5c6186568542e318efd6113f2c5697a12fede565cd1a10e750af6cc8", kill_on_drop: false }`
[INFO] [stdout] 88c6dbaa5c6186568542e318efd6113f2c5697a12fede565cd1a10e750af6cc8
