[INFO] fetching crate coap-message-demos 0.1.1... [INFO] testing coap-message-demos-0.1.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate coap-message-demos 0.1.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate coap-message-demos 0.1.1 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate coap-message-demos 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate coap-message-demos 0.1.1 [INFO] tweaked toml for crates.io crate coap-message-demos 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate coap-message-demos 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 06cbdaa2d23743135979b1c20d03abba9c20382b983ab5ec55100350c155923d [INFO] running `Command { std: "docker" "start" "-a" "06cbdaa2d23743135979b1c20d03abba9c20382b983ab5ec55100350c155923d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06cbdaa2d23743135979b1c20d03abba9c20382b983ab5ec55100350c155923d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06cbdaa2d23743135979b1c20d03abba9c20382b983ab5ec55100350c155923d", kill_on_drop: false }` [INFO] [stdout] 06cbdaa2d23743135979b1c20d03abba9c20382b983ab5ec55100350c155923d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6684fa26cf462003c8be798fd29ef1f605ebd020bb9d95896db4864bb3a0ac71 [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" "6684fa26cf462003c8be798fd29ef1f605ebd020bb9d95896db4864bb3a0ac71", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Compiling coap-message v0.2.0 [INFO] [stderr] Compiling coap-numbers v0.1.2 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coap-message-0.2.0/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `OptionsIter` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coap-message-0.2.0/src/message.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | type OptionsIter<'a>: Iterator>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | [INFO] [stdout] | help: add the required where clause: `where Self: 'a` [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `coap-message` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6684fa26cf462003c8be798fd29ef1f605ebd020bb9d95896db4864bb3a0ac71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6684fa26cf462003c8be798fd29ef1f605ebd020bb9d95896db4864bb3a0ac71", kill_on_drop: false }` [INFO] [stdout] 6684fa26cf462003c8be798fd29ef1f605ebd020bb9d95896db4864bb3a0ac71