[INFO] fetching crate quadtree-cd 0.1.0... [INFO] testing quadtree-cd-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate quadtree-cd 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate quadtree-cd 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate quadtree-cd 0.1.0 [INFO] finished tweaking crates.io crate quadtree-cd 0.1.0 [INFO] tweaked toml for crates.io crate quadtree-cd 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7471cdafc973ab7a42be48436bae5d3ff89e63861cca9035025421680a1d0b25 [INFO] running `Command { std: "docker" "start" "-a" "7471cdafc973ab7a42be48436bae5d3ff89e63861cca9035025421680a1d0b25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7471cdafc973ab7a42be48436bae5d3ff89e63861cca9035025421680a1d0b25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7471cdafc973ab7a42be48436bae5d3ff89e63861cca9035025421680a1d0b25", kill_on_drop: false }` [INFO] [stdout] 7471cdafc973ab7a42be48436bae5d3ff89e63861cca9035025421680a1d0b25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ab870b59f2f8d5918743dd2cc2d615d17edd4bdae3baa07cb57c617ca672d4e9 [INFO] running `Command { std: "docker" "start" "-a" "ab870b59f2f8d5918743dd2cc2d615d17edd4bdae3baa07cb57c617ca672d4e9", kill_on_drop: false }` [INFO] [stderr] Compiling quadtree-cd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:78:24 [INFO] [stdout] | [INFO] [stdout] 78 | check: Option<&Fn(&T, &T) -> bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 78 - check: Option<&Fn(&T, &T) -> bool>, [INFO] [stdout] 78 + check: Option<&dyn Fn(&T, &T) -> bool>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(clamp)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `clamp` has been stable since 1.50.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(clamp)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:161:25 [INFO] [stdout] | [INFO] [stdout] 161 | / &self.nodes.push(Node { [INFO] [stdout] 162 | | count: 0, [INFO] [stdout] 163 | | item: None, [INFO] [stdout] 164 | | }); [INFO] [stdout] | |__________________________^ the borrow produces a value [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] 161 | let _ = &self.nodes.push(Node { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | / &self.nodes.resize( [INFO] [stdout] 206 | | new_length, [INFO] [stdout] 207 | | Node { [INFO] [stdout] 208 | | count: 0, [INFO] [stdout] 209 | | item: None, [INFO] [stdout] 210 | | }, [INFO] [stdout] 211 | | ); [INFO] [stdout] | |_________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &self.nodes.resize( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `quadtree-cd` due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ab870b59f2f8d5918743dd2cc2d615d17edd4bdae3baa07cb57c617ca672d4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab870b59f2f8d5918743dd2cc2d615d17edd4bdae3baa07cb57c617ca672d4e9", kill_on_drop: false }` [INFO] [stdout] ab870b59f2f8d5918743dd2cc2d615d17edd4bdae3baa07cb57c617ca672d4e9