[INFO] crate rclist 0.0.1 is already in cache [INFO] testing rclist-0.0.1 against 1.45.2 for beta-1.46-1 [INFO] extracting crate rclist 0.0.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate rclist 0.0.1 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 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-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 85b6b7f9a414a9e1d29195611eb78874832fd8be20823a913c9e5a5e8a290099 [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" "85b6b7f9a414a9e1d29195611eb78874832fd8be20823a913c9e5a5e8a290099", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85b6b7f9a414a9e1d29195611eb78874832fd8be20823a913c9e5a5e8a290099", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85b6b7f9a414a9e1d29195611eb78874832fd8be20823a913c9e5a5e8a290099", kill_on_drop: false }` [INFO] [stdout] 85b6b7f9a414a9e1d29195611eb78874832fd8be20823a913c9e5a5e8a290099 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6965f47181990731ff6c4b0dd153a55b02faf433b321fc71e1e69be9987ac2c2 [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" "6965f47181990731ff6c4b0dd153a55b02faf433b321fc71e1e69be9987ac2c2", kill_on_drop: false }` [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] error[E0599]: no method named `downgrade` found for reference `&std::rc::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: `std::rc::Rc::::downgrade` [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 `std::rc::Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [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`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "6965f47181990731ff6c4b0dd153a55b02faf433b321fc71e1e69be9987ac2c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6965f47181990731ff6c4b0dd153a55b02faf433b321fc71e1e69be9987ac2c2", kill_on_drop: false }` [INFO] [stdout] 6965f47181990731ff6c4b0dd153a55b02faf433b321fc71e1e69be9987ac2c2