[INFO] crate rand-facade 0.2.0 is already in cache [INFO] testing rand-facade-0.2.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate rand-facade 0.2.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rand-facade 0.2.0 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 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-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] 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] 45db66b03b026c891b24f114828f9ec89b2796d7e626fbf7ecfd4cfe89ee4b30 [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" "45db66b03b026c891b24f114828f9ec89b2796d7e626fbf7ecfd4cfe89ee4b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45db66b03b026c891b24f114828f9ec89b2796d7e626fbf7ecfd4cfe89ee4b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45db66b03b026c891b24f114828f9ec89b2796d7e626fbf7ecfd4cfe89ee4b30", kill_on_drop: false }` [INFO] [stdout] 45db66b03b026c891b24f114828f9ec89b2796d7e626fbf7ecfd4cfe89ee4b30 [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] 49edcb7085d31c3d7873fd52fb0d80ec93f485c7b3caecd18094b8d3eee7a2eb [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" "49edcb7085d31c3d7873fd52fb0d80ec93f485c7b3caecd18094b8d3eee7a2eb", kill_on_drop: false }` [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 or module `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 or module `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`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "49edcb7085d31c3d7873fd52fb0d80ec93f485c7b3caecd18094b8d3eee7a2eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49edcb7085d31c3d7873fd52fb0d80ec93f485c7b3caecd18094b8d3eee7a2eb", kill_on_drop: false }` [INFO] [stdout] 49edcb7085d31c3d7873fd52fb0d80ec93f485c7b3caecd18094b8d3eee7a2eb