[INFO] fetching crate outsource-heap 0.1.2...
[INFO] testing outsource-heap-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate outsource-heap 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate outsource-heap 0.1.2
[INFO] finished tweaking crates.io crate outsource-heap 0.1.2
[INFO] tweaked toml for crates.io crate outsource-heap 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate outsource-heap 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding memmap2 v0.5.10 (available: v0.9.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b45f99d72b807e923e633acdcc787c2c0c48f2986f9a7b4856bfd8024ab0437
[INFO] running `Command { std: "docker" "start" "-a" "3b45f99d72b807e923e633acdcc787c2c0c48f2986f9a7b4856bfd8024ab0437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b45f99d72b807e923e633acdcc787c2c0c48f2986f9a7b4856bfd8024ab0437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b45f99d72b807e923e633acdcc787c2c0c48f2986f9a7b4856bfd8024ab0437", kill_on_drop: false }`
[INFO] [stdout] 3b45f99d72b807e923e633acdcc787c2c0c48f2986f9a7b4856bfd8024ab0437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07e340ac1d08f44ded95ba6ab601ccfeedd50800ea5705e80e615e45a58430c3
[INFO] running `Command { std: "docker" "start" "-a" "07e340ac1d08f44ded95ba6ab601ccfeedd50800ea5705e80e615e45a58430c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwind_safe v0.1.0
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling outsource-heap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg(not(OUTSOURCE_HEAP_BOUNDED_UB))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "07e340ac1d08f44ded95ba6ab601ccfeedd50800ea5705e80e615e45a58430c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e340ac1d08f44ded95ba6ab601ccfeedd50800ea5705e80e615e45a58430c3", kill_on_drop: false }`
[INFO] [stdout] 07e340ac1d08f44ded95ba6ab601ccfeedd50800ea5705e80e615e45a58430c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b74554a5b2f18da4bfbf3741f4118aff3a295f7dc3c9c5514dcacbf178a3fd
[INFO] running `Command { std: "docker" "start" "-a" "d5b74554a5b2f18da4bfbf3741f4118aff3a295f7dc3c9c5514dcacbf178a3fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling outsource-heap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg(not(OUTSOURCE_HEAP_BOUNDED_UB))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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 name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stdout]   --> src/bounded.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg(not(OUTSOURCE_HEAP_BOUNDED_UB))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d5b74554a5b2f18da4bfbf3741f4118aff3a295f7dc3c9c5514dcacbf178a3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b74554a5b2f18da4bfbf3741f4118aff3a295f7dc3c9c5514dcacbf178a3fd", kill_on_drop: false }`
[INFO] [stdout] d5b74554a5b2f18da4bfbf3741f4118aff3a295f7dc3c9c5514dcacbf178a3fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98e55cd528316da6079259243101b66745e2ba6aa259aeb686f8baf46d127a6a
[INFO] running `Command { std: "docker" "start" "-a" "98e55cd528316da6079259243101b66745e2ba6aa259aeb686f8baf46d127a6a", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stderr]   --> src/bounded.rs:56:7
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stderr]   --> src/bounded.rs:58:7
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg(OUTSOURCE_HEAP_BOUNDED_UB)]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `OUTSOURCE_HEAP_BOUNDED_UB`
[INFO] [stderr]   --> src/bounded.rs:60:11
[INFO] [stderr]    |
[INFO] [stderr] 60 | #[cfg(not(OUTSOURCE_HEAP_BOUNDED_UB))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(OUTSOURCE_HEAP_BOUNDED_UB)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(OUTSOURCE_HEAP_BOUNDED_UB)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `outsource-heap` (lib) generated 3 warnings
[INFO] [stderr] warning: `outsource-heap` (lib test) generated 3 warnings (3 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/outsource_heap-3455bb84698c2ca4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests outsource_heap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] test src/bounded.rs - bounded (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] error[E0107]: missing generics for struct `outsource_heap::Global`
[INFO] [stdout]    --> src/lib.rs:20:31
[INFO] [stdout]     |
[INFO] [stdout]   6 | static ALLOC: outsource_heap::Global = outsource_heap::Global::system();
[INFO] [stdout]     |                               ^^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub struct Global<T> {
[INFO] [stdout]     |            ^^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout]   6 | static ALLOC: outsource_heap::Global<T> = outsource_heap::Global::system();
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/bounded.rs - bounded (line 11) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bounded.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc_error_hook)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/bounded.rs - bounded (line 11)
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "98e55cd528316da6079259243101b66745e2ba6aa259aeb686f8baf46d127a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e55cd528316da6079259243101b66745e2ba6aa259aeb686f8baf46d127a6a", kill_on_drop: false }`
[INFO] [stdout] 98e55cd528316da6079259243101b66745e2ba6aa259aeb686f8baf46d127a6a
