[INFO] fetching crate loader-rs 0.7.0... [INFO] checking loader-rs-0.7.0 against beta for pr-78714 [INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate loader-rs 0.7.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate loader-rs 0.7.0 [INFO] finished tweaking crates.io crate loader-rs 0.7.0 [INFO] tweaked toml for crates.io crate loader-rs 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50e0ddcdeab8bef0aae3dea12de129b777835176e514f3040b96f36e86c5677c [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" "50e0ddcdeab8bef0aae3dea12de129b777835176e514f3040b96f36e86c5677c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50e0ddcdeab8bef0aae3dea12de129b777835176e514f3040b96f36e86c5677c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e0ddcdeab8bef0aae3dea12de129b777835176e514f3040b96f36e86c5677c", kill_on_drop: false }` [INFO] [stdout] 50e0ddcdeab8bef0aae3dea12de129b777835176e514f3040b96f36e86c5677c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e4d941f267f3309ce4e67c1cea8e78e0d96223a73f3d86be6ed839f81439e82 [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" "4e4d941f267f3309ce4e67c1cea8e78e0d96223a73f3d86be6ed839f81439e82", kill_on_drop: false }` [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling test-case v1.0.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking async-compression v0.3.6 [INFO] [stderr] Compiling extend v0.1.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling cached_proc_macro v0.4.0 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking assert-json-diff v1.1.0 [INFO] [stderr] Checking mockito v0.28.0 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking cached v0.20.0 [INFO] [stderr] Checking hyper v0.13.9 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.8 [INFO] [stderr] Checking loader-rs v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(incomplete_features)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(incomplete_features)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: see issue #31844 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 `loader-rs` [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] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/testing_helpers.rs:62:88 [INFO] [stdout] | [INFO] [stdout] 62 | self.http_path.split('#').collect::>().first().unwrap().to_string().as_ref(), [INFO] [stdout] | ---------------------------------------------------------------------------^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for struct `String` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `String: AsRef<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0283, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4e4d941f267f3309ce4e67c1cea8e78e0d96223a73f3d86be6ed839f81439e82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e4d941f267f3309ce4e67c1cea8e78e0d96223a73f3d86be6ed839f81439e82", kill_on_drop: false }` [INFO] [stdout] 4e4d941f267f3309ce4e67c1cea8e78e0d96223a73f3d86be6ed839f81439e82