[INFO] fetching crate fce 0.1.0... [INFO] testing fce-0.1.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate fce 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate fce 0.1.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fce 0.1.0 [INFO] finished tweaking crates.io crate fce 0.1.0 [INFO] tweaked toml for crates.io crate fce 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasmer-wasi-fl v0.17.0 [INFO] [stderr] Downloaded wasmer-clif-backend-fl v0.17.0 [INFO] [stderr] Downloaded wasmer-runtime-fl v0.17.0 [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" "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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d61cddf9f0b677dfe9cd9954bedbc0ac4dd600e946b2ad5453ccc6e138ab8d67 [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" "d61cddf9f0b677dfe9cd9954bedbc0ac4dd600e946b2ad5453ccc6e138ab8d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d61cddf9f0b677dfe9cd9954bedbc0ac4dd600e946b2ad5453ccc6e138ab8d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d61cddf9f0b677dfe9cd9954bedbc0ac4dd600e946b2ad5453ccc6e138ab8d67", kill_on_drop: false }` [INFO] [stdout] d61cddf9f0b677dfe9cd9954bedbc0ac4dd600e946b2ad5453ccc6e138ab8d67 [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" "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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91746d0b873b06a87bdd2b25362585fc94c89ad05f7843fd14ed2573c0111fbb [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" "91746d0b873b06a87bdd2b25362585fc94c89ad05f7843fd14ed2573c0111fbb", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling cranelift-entity v0.59.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.59.0 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Compiling wasmparser v0.51.4 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling leb128 v0.2.4 [INFO] [stderr] Compiling safe-transmute v0.11.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling id-arena v2.2.1 [INFO] [stderr] Compiling wasmparser v0.55.0 [INFO] [stderr] Compiling parity-wasm v0.41.0 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling blake3 v0.3.6 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling wast v8.0.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling crypto-mac v0.8.0 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling ctor v0.1.15 [INFO] [stderr] Compiling inventory-impl v0.1.7 [INFO] [stderr] Compiling typetag-impl v0.1.5 [INFO] [stderr] Compiling walrus-macro v0.17.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling cranelift-codegen-meta v0.59.0 [INFO] [stderr] Compiling cranelift-bforest v0.59.0 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Compiling pwasm-utils v0.12.0 [INFO] [stderr] Compiling wasmer-runtime-core-fl v0.17.0 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling errno v0.2.6 [INFO] [stderr] Compiling page_size v0.4.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling inventory v0.1.7 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling walrus v0.17.0 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling serde-bench v0.0.7 [INFO] [stderr] Compiling serde_bytes v0.11.5 [INFO] [stderr] Compiling bincode v1.3.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling multimap v0.8.1 [INFO] [stderr] Compiling erased-serde v0.3.12 [INFO] [stderr] Compiling generational-arena v0.2.8 [INFO] [stderr] Compiling gimli v0.20.0 [INFO] [stderr] Compiling typetag v0.1.5 [INFO] [stderr] Compiling wasmer-interface-types-fl v0.17.0 [INFO] [stderr] Compiling fce-wit-interfaces v0.1.0 [INFO] [stderr] Compiling cranelift-codegen v0.59.0 [INFO] [stderr] Compiling fce-wit-parser v0.1.2 [INFO] [stderr] Compiling wasmer-wasi-fl v0.17.0 [INFO] [stderr] Compiling wasmer-clif-fork-frontend v0.59.0 [INFO] [stderr] Compiling cranelift-native v0.59.0 [INFO] [stderr] Compiling wasmer-clif-fork-wasm v0.59.0 [INFO] [stderr] Compiling wasmer-clif-backend-fl v0.17.0 [INFO] [stderr] Compiling wasmer-runtime-fl v0.17.0 [INFO] [stderr] Compiling fce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(get_mut_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(new_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | #![feature(stmt_expr_attributes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 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 `fce`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "91746d0b873b06a87bdd2b25362585fc94c89ad05f7843fd14ed2573c0111fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91746d0b873b06a87bdd2b25362585fc94c89ad05f7843fd14ed2573c0111fbb", kill_on_drop: false }` [INFO] [stdout] 91746d0b873b06a87bdd2b25362585fc94c89ad05f7843fd14ed2573c0111fbb