[INFO] fetching crate rand-facade 0.2.0...
[INFO] testing rand-facade-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rand-facade 0.2.0 into /workspace/builds/worker-5-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rand-facade 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding cortex-m v0.6.7 (available: v0.7.7)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (available: v0.9.0)
[INFO] [stderr]       Adding rand_core v0.5.1 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `lazy_static` dependency)
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand` dependency)
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand_core` dependency)
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand_chacha` dependency)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9cd0b51001a9d1c93352bede7166744ddb761baff327b4ad1ee0d2bd4571e10
[INFO] running `Command { std: "docker" "start" "-a" "d9cd0b51001a9d1c93352bede7166744ddb761baff327b4ad1ee0d2bd4571e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9cd0b51001a9d1c93352bede7166744ddb761baff327b4ad1ee0d2bd4571e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cd0b51001a9d1c93352bede7166744ddb761baff327b4ad1ee0d2bd4571e10", kill_on_drop: false }`
[INFO] [stdout] d9cd0b51001a9d1c93352bede7166744ddb761baff327b4ad1ee0d2bd4571e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b12b1bdfbd9414f83824a5e0b29721a939ed94ed08f23c520dff193bbb4edd7
[INFO] running `Command { std: "docker" "start" "-a" "1b12b1bdfbd9414f83824a5e0b29721a939ed94ed08f23c520dff193bbb4edd7", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `lazy_static` dependency)
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand` dependency)
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand_core` dependency)
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand_chacha` dependency)
[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[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<RefCell<Option<&'static mut (dyn Rng + Sync + Send)>>> = Mutex::new(RefCell::new(None));
[INFO] [stdout]    |                            ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(any(feature = "std", feature = "os_rng"))]
[INFO] [stdout]    |          ------------------------------------- the item is gated here
[INFO] [stdout] 34 | use std::sync::Mutex;
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(feature = "cortex_m")]
[INFO] [stdout]    |       -------------------- the item is gated behind the `cortex_m` feature
[INFO] [stdout] 37 | use cortex_m::interrupt::Mutex;
[INFO] [stdout]    |                          ^^^^^
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:115:63
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let rng = unsafe { core::mem::transmute::<&'a mut (dyn Rng), &'static mut (dyn Rng + Sync + Send)>(rng.get_mut()) };
[INFO] [stdout]     |                                                               ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             let rng = unsafe { core::mem::transmute::<&'a mut (dyn Rng), &'static mut (dyn Rng + Sync + Send)>(rng.get_mut()) };
[INFO] [stdout] 115 +             let rng = unsafe { core::mem::transmute::<&'a mut dyn Rng, &'static mut (dyn Rng + Sync + Send)>(rng.get_mut()) };
[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<RefCell<Option<&'static mut (dyn Rng + Sync + Send)>>> = Mutex::new(RefCell::new(None));
[INFO] [stdout]    |                                                                                           ^^^^^ use of undeclared type `Mutex`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(any(feature = "std", feature = "os_rng"))]
[INFO] [stdout]    |          ------------------------------------- the item is gated here
[INFO] [stdout] 34 | use std::sync::Mutex;
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(feature = "cortex_m")]
[INFO] [stdout]    |       -------------------- the item is gated behind the `cortex_m` feature
[INFO] [stdout] 37 | use cortex_m::interrupt::Mutex;
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let rng = unsafe { core::mem::transmute::<&'a mut (dyn Rng), &'static mut (dyn Rng + Sync + Send)>(rng.get_mut()) };
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1b12b1bdfbd9414f83824a5e0b29721a939ed94ed08f23c520dff193bbb4edd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b12b1bdfbd9414f83824a5e0b29721a939ed94ed08f23c520dff193bbb4edd7", kill_on_drop: false }`
[INFO] [stdout] 1b12b1bdfbd9414f83824a5e0b29721a939ed94ed08f23c520dff193bbb4edd7
