[INFO] fetching crate zerodrop 0.1.4... [INFO] testing zerodrop-0.1.4 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate zerodrop 0.1.4 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate zerodrop 0.1.4 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zerodrop 0.1.4 [INFO] finished tweaking crates.io crate zerodrop 0.1.4 [INFO] tweaked toml for crates.io crate zerodrop 0.1.4 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded consistenttime v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4452a2af2c319cc5547392497d87f18d82eaac1f518e1fd1df46784c386c08dd [INFO] running `Command { std: "docker" "start" "-a" "4452a2af2c319cc5547392497d87f18d82eaac1f518e1fd1df46784c386c08dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4452a2af2c319cc5547392497d87f18d82eaac1f518e1fd1df46784c386c08dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4452a2af2c319cc5547392497d87f18d82eaac1f518e1fd1df46784c386c08dd", kill_on_drop: false }` [INFO] [stdout] 4452a2af2c319cc5547392497d87f18d82eaac1f518e1fd1df46784c386c08dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37d2c366e32bd8528e08a410345b1af202a1b59d8cc124795c4ecc153a249eed [INFO] running `Command { std: "docker" "start" "-a" "37d2c366e32bd8528e08a410345b1af202a1b59d8cc124795c4ecc153a249eed", kill_on_drop: false }` [INFO] [stderr] Compiling consistenttime v0.2.0 [INFO] [stderr] Compiling zerodrop v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/zd.rs:64:39 [INFO] [stdout] | [INFO] [stdout] 64 | ZeroDrop(Box::new(::std::mem::uninitialized::())) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/zd.rs:69:51 [INFO] [stdout] | [INFO] [stdout] 69 | let mut b = Box::new(unsafe { ::std::mem::uninitialized::() }); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/zd.rs:82:51 [INFO] [stdout] | [INFO] [stdout] 82 | let mut b = Box::new(unsafe { ::std::mem::uninitialized::() }); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/cow.rs:47:49 [INFO] [stdout] | [INFO] [stdout] 47 | ZeroDropCow::Boxed(Box::new(::std::mem::uninitialized::())) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/cow.rs:58:51 [INFO] [stdout] | [INFO] [stdout] 58 | let mut b = Box::new(unsafe { ::std::mem::uninitialized::() }); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/cow.rs:68:59 [INFO] [stdout] | [INFO] [stdout] 68 | let mut b = Box::new(unsafe { ::std::mem::uninitialized::() }); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zerodrop` due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "37d2c366e32bd8528e08a410345b1af202a1b59d8cc124795c4ecc153a249eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37d2c366e32bd8528e08a410345b1af202a1b59d8cc124795c4ecc153a249eed", kill_on_drop: false }` [INFO] [stdout] 37d2c366e32bd8528e08a410345b1af202a1b59d8cc124795c4ecc153a249eed