[INFO] fetching crate rand-facade 0.2.0... [INFO] testing rand-facade-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate rand-facade 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate rand-facade 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rand-facade 0.2.0 [INFO] finished tweaking crates.io crate rand-facade 0.2.0 [INFO] tweaked toml for crates.io crate rand-facade 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nb v0.1.3 [INFO] [stderr] Downloaded vcell v0.1.3 [INFO] [stderr] Downloaded embedded-hal v0.2.6 [INFO] [stderr] Downloaded cortex-m v0.6.7 [INFO] [stderr] Downloaded bare-metal v0.2.5 [INFO] [stderr] Downloaded cortex-m v0.7.3 [INFO] [stderr] Downloaded volatile-register v0.2.1 [INFO] [stderr] Downloaded aligned v0.3.5 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63ecd6b20da3e8fe21ce3d65325d3ef74aa7f78376a8898e9730aaafd69f7710 [INFO] running `Command { std: "docker" "start" "-a" "63ecd6b20da3e8fe21ce3d65325d3ef74aa7f78376a8898e9730aaafd69f7710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63ecd6b20da3e8fe21ce3d65325d3ef74aa7f78376a8898e9730aaafd69f7710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63ecd6b20da3e8fe21ce3d65325d3ef74aa7f78376a8898e9730aaafd69f7710", kill_on_drop: false }` [INFO] [stdout] 63ecd6b20da3e8fe21ce3d65325d3ef74aa7f78376a8898e9730aaafd69f7710 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d797a304f7b066435c272d5f461749d7d093e7900906bf3ba22907eec1664f02 [INFO] running `Command { std: "docker" "start" "-a" "d797a304f7b066435c272d5f461749d7d093e7900906bf3ba22907eec1664f02", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand-facade v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: One of 'os_rng', 'std', 'cortex_m' features must be enabled [INFO] [stdout] --> src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | compile_error!("One of 'os_rng', 'std', 'cortex_m' features must be enabled"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mutex` [INFO] [stdout] --> src/lib.rs:56:91 [INFO] [stdout] | [INFO] [stdout] 56 | static ref GLOBAL_RNG: Mutex>> = Mutex::new(RefCell::new(None)); [INFO] [stdout] | ^^^^^ use of undeclared type `Mutex` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Mutex` in this scope [INFO] [stdout] --> src/lib.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | static ref GLOBAL_RNG: Mutex>> = Mutex::new(RefCell::new(None)); [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/lib.rs:27:37 [INFO] [stdout] | [INFO] [stdout] 27 | use rand_core::{RngCore, CryptoRng, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rand-facade` due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d797a304f7b066435c272d5f461749d7d093e7900906bf3ba22907eec1664f02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d797a304f7b066435c272d5f461749d7d093e7900906bf3ba22907eec1664f02", kill_on_drop: false }` [INFO] [stdout] d797a304f7b066435c272d5f461749d7d093e7900906bf3ba22907eec1664f02