[INFO] fetching crate membuf 0.0.5...
[INFO] testing membuf-0.0.5 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate membuf 0.0.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate membuf 0.0.5 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate membuf 0.0.5
[INFO] finished tweaking crates.io crate membuf 0.0.5
[INFO] tweaked toml for crates.io crate membuf 0.0.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ebc7d57cf9dcd52d79469ff24d95935daa02d1de8273d6f5bb870a18bd2c617
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ebc7d57cf9dcd52d79469ff24d95935daa02d1de8273d6f5bb870a18bd2c617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebc7d57cf9dcd52d79469ff24d95935daa02d1de8273d6f5bb870a18bd2c617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc7d57cf9dcd52d79469ff24d95935daa02d1de8273d6f5bb870a18bd2c617", kill_on_drop: false }`
[INFO] [stdout] 4ebc7d57cf9dcd52d79469ff24d95935daa02d1de8273d6f5bb870a18bd2c617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dbdc734e7c4e4be89c7d9f6428702bbb686c8c7e7ef7a0c70391fb7acb10923
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3dbdc734e7c4e4be89c7d9f6428702bbb686c8c7e7ef7a0c70391fb7acb10923", kill_on_drop: false }`
[INFO] [stderr]    Compiling membuf v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: using derive with raw pointers is ok
[INFO] [stdout]  --> src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![allow(raw_pointer_derive)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::nonzero`
[INFO] [stdout]   --> src/lib.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use core::nonzero::NonZero;
[INFO] [stdout]    |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::nonzero`
[INFO] [stdout]  --> src/alloc.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::nonzero::NonZero;
[INFO] [stdout]   |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rt::heap`
[INFO] [stdout]  --> src/alloc.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::rt::heap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `heap` in `rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `oom` in crate `alloc`
[INFO] [stdout]   --> src/alloc.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if ptr.is_null() { alloc::oom() }
[INFO] [stdout]    |                               ^^^ not found in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `oom` in crate `alloc`
[INFO] [stdout]   --> src/alloc.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         alloc::oom()
[INFO] [stdout]    |                ^^^ not found in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> src/unique.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct UniqueBuf<T> {
[INFO] [stdout]    |                      ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `membuf` due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3dbdc734e7c4e4be89c7d9f6428702bbb686c8c7e7ef7a0c70391fb7acb10923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbdc734e7c4e4be89c7d9f6428702bbb686c8c7e7ef7a0c70391fb7acb10923", kill_on_drop: false }`
[INFO] [stdout] 3dbdc734e7c4e4be89c7d9f6428702bbb686c8c7e7ef7a0c70391fb7acb10923