[INFO] crate eko-gc 0.0.2 is already in cache [INFO] testing eko-gc-0.0.2 against 1.45.2 for beta-1.46-1 [INFO] extracting crate eko-gc 0.0.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate eko-gc 0.0.2 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate eko-gc 0.0.2 [INFO] finished tweaking crates.io crate eko-gc 0.0.2 [INFO] tweaked toml for crates.io crate eko-gc 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98f884238e717bc212fbc1bda45fd4153e3c3673b830b85a0cea8377c5022f6b [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" "98f884238e717bc212fbc1bda45fd4153e3c3673b830b85a0cea8377c5022f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98f884238e717bc212fbc1bda45fd4153e3c3673b830b85a0cea8377c5022f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98f884238e717bc212fbc1bda45fd4153e3c3673b830b85a0cea8377c5022f6b", kill_on_drop: false }` [INFO] [stdout] 98f884238e717bc212fbc1bda45fd4153e3c3673b830b85a0cea8377c5022f6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f0335d3a8a8972f4c07ea115675d4b6acde0060b2dd5c6e8ceba03ac1e800e0 [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" "7f0335d3a8a8972f4c07ea115675d4b6acde0060b2dd5c6e8ceba03ac1e800e0", kill_on_drop: false }` [INFO] [stderr] Compiling eko-gc v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(dropck_eyepatch)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:42:47 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) boxes: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:74:28 [INFO] [stdout] | [INFO] [stdout] 74 | let gc_box: &GcBox = unsafe { gc_box_ptr.as_ref() }; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_arena.rs:82:38 [INFO] [stdout] | [INFO] [stdout] 82 | let mut unmarked: Vec<*mut GcBox> = Vec::new(); [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/gc_box.rs:22:46 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) next: Option>>, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Trace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 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 `eko-gc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "7f0335d3a8a8972f4c07ea115675d4b6acde0060b2dd5c6e8ceba03ac1e800e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f0335d3a8a8972f4c07ea115675d4b6acde0060b2dd5c6e8ceba03ac1e800e0", kill_on_drop: false }` [INFO] [stdout] 7f0335d3a8a8972f4c07ea115675d4b6acde0060b2dd5c6e8ceba03ac1e800e0