[INFO] fetching crate rclist 0.0.1... [INFO] testing rclist-0.0.1 against 1.90.0 for beta-1.91-3 [INFO] extracting crate rclist 0.0.1 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate rclist 0.0.1 [INFO] finished tweaking crates.io crate rclist 0.0.1 [INFO] tweaked toml for crates.io crate rclist 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rclist 0.0.1 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] Blocking waiting for file lock on package cache [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8992136d09f0e5b573dec6d7c2f87ce629abcc062311d4f579488f711ffddbc2 [INFO] running `Command { std: "docker" "start" "-a" "8992136d09f0e5b573dec6d7c2f87ce629abcc062311d4f579488f711ffddbc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8992136d09f0e5b573dec6d7c2f87ce629abcc062311d4f579488f711ffddbc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8992136d09f0e5b573dec6d7c2f87ce629abcc062311d4f579488f711ffddbc2", kill_on_drop: false }` [INFO] [stdout] 8992136d09f0e5b573dec6d7c2f87ce629abcc062311d4f579488f711ffddbc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dbbdb8db4e0ed86b66fd3613e7b2806551b579b58400e16fc7abcfc0fcce3932 [INFO] running `Command { std: "docker" "start" "-a" "dbbdb8db4e0ed86b66fd3613e7b2806551b579b58400e16fc7abcfc0fcce3932", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling rclist v0.0.1 (/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(core)] [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:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(alloc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(alloc)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `downgrade` found for reference `&Rc` in the current scope [INFO] [stdout] --> src/lib.rs:31:50 [INFO] [stdout] | [INFO] [stdout] 31 | &Link::Strong(ref x) => Link::Weak(x.downgrade()), [INFO] [stdout] | --^^^^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | this is an associated function, not a method [INFO] [stdout] | help: use associated function syntax instead: `Rc::::downgrade(&x)` [INFO] [stdout] | [INFO] [stdout] = note: found the following associated functions; to be used as methods, functions must have a `self` parameter [INFO] [stdout] = note: the candidate is defined in an impl for the type `Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rclist` (lib) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dbbdb8db4e0ed86b66fd3613e7b2806551b579b58400e16fc7abcfc0fcce3932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbbdb8db4e0ed86b66fd3613e7b2806551b579b58400e16fc7abcfc0fcce3932", kill_on_drop: false }` [INFO] [stdout] dbbdb8db4e0ed86b66fd3613e7b2806551b579b58400e16fc7abcfc0fcce3932