[INFO] fetching crate qecs-core 0.0.17... [INFO] testing qecs-core-0.0.17 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate qecs-core 0.0.17 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate qecs-core 0.0.17 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qecs-core 0.0.17 [INFO] finished tweaking crates.io crate qecs-core 0.0.17 [INFO] tweaked toml for crates.io crate qecs-core 0.0.17 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded downcast v0.2.3 [INFO] [stderr] Downloaded ioc v0.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c51eb08f81e41b65cc43a461e0b03f075d235368604753c45eb646692139521 [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" "5c51eb08f81e41b65cc43a461e0b03f075d235368604753c45eb646692139521", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c51eb08f81e41b65cc43a461e0b03f075d235368604753c45eb646692139521", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c51eb08f81e41b65cc43a461e0b03f075d235368604753c45eb646692139521", kill_on_drop: false }` [INFO] [stdout] 5c51eb08f81e41b65cc43a461e0b03f075d235368604753c45eb646692139521 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5752f4d8417f0692dca24b2080b754d4717a309acc0ab2a80a1ff59307e85a00 [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" "5752f4d8417f0692dca24b2080b754d4717a309acc0ab2a80a1ff59307e85a00", kill_on_drop: false }` [INFO] [stderr] Compiling downcast v0.2.3 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.2.3/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(get_type_id)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_type_id` found for reference `&T` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.2.3/src/lib.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | obj.get_type_id() [INFO] [stdout] | ^^^^^^^^^^^ method not found in `&T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 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 `downcast` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5752f4d8417f0692dca24b2080b754d4717a309acc0ab2a80a1ff59307e85a00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5752f4d8417f0692dca24b2080b754d4717a309acc0ab2a80a1ff59307e85a00", kill_on_drop: false }` [INFO] [stdout] 5752f4d8417f0692dca24b2080b754d4717a309acc0ab2a80a1ff59307e85a00