[INFO] fetching crate thunk 0.3.0... [INFO] testing thunk-0.3.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate thunk 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate thunk 0.3.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate thunk 0.3.0 [INFO] finished tweaking crates.io crate thunk 0.3.0 [INFO] tweaked toml for crates.io crate thunk 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b83585efa8a6d6bf2c3dd5c945643b2ec30b0b6e1b804bab7786efa1f21f092b [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" "b83585efa8a6d6bf2c3dd5c945643b2ec30b0b6e1b804bab7786efa1f21f092b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b83585efa8a6d6bf2c3dd5c945643b2ec30b0b6e1b804bab7786efa1f21f092b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b83585efa8a6d6bf2c3dd5c945643b2ec30b0b6e1b804bab7786efa1f21f092b", kill_on_drop: false }` [INFO] [stdout] b83585efa8a6d6bf2c3dd5c945643b2ec30b0b6e1b804bab7786efa1f21f092b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ffe4b62ef398990d6f96bc1e7c60fdbd0c4f85ef2e4b6a553fbfa57f6bce8ee7 [INFO] running `Command { std: "docker" "start" "-a" "ffe4b62ef398990d6f96bc1e7c60fdbd0c4f85ef2e4b6a553fbfa57f6bce8ee7", kill_on_drop: false }` [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling thunk v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `unions_with_drop_fields` [INFO] [stdout] --> src/sync.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | #[allow(unions_with_drop_fields)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `unions_with_drop_fields` [INFO] [stdout] --> src/unsync.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | #[allow(unions_with_drop_fields)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stdout] --> src/sync.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::boxed::FnBox; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stdout] --> src/unsync.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::boxed::FnBox; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(fnbox)] [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:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | #![feature(untagged_unions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/sync.rs:260:13 [INFO] [stdout] | [INFO] [stdout] 260 | /// If the `AtomicThunk` is evaluated, do nothing. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 261 | THUNK_EVALUATED => {} [INFO] [stdout] | --------------------- rustdoc does not generate documentation for match arms [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/sync.rs:263:13 [INFO] [stdout] | [INFO] [stdout] 263 | / /// If the `AtomicThunk` is `LOCKING` or `LOCKED`, wait until the thunk is [INFO] [stdout] 264 | | /// done evaluating and then return a reference to the inner value. [INFO] [stdout] | |_______________________________________________________________________________^ [INFO] [stdout] 265 | THUNK_LOCKING | THUNK_LOCKED => unsafe { self.besiege() }, [INFO] [stdout] | --------------------------------------------------------- rustdoc does not generate documentation for match arms [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/sync.rs:267:13 [INFO] [stdout] | [INFO] [stdout] 267 | / /// Only `THUNK_DEFERRED`, `THUNK_EVALUATED`, `THUNK_LOCKING`, and [INFO] [stdout] 268 | | /// `THUNK_LOCKED` are valid values of the flag. [INFO] [stdout] | |____________________________________________________________^ [INFO] [stdout] 269 | / THUNK_INVALIDATED | [INFO] [stdout] 270 | | _ => unsafe { unreachable() }, [INFO] [stdout] | |_________________________________________- rustdoc does not generate documentation for match arms [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:56:52 [INFO] [stdout] | [INFO] [stdout] 56 | fn defer<'a, F: FnOnce() -> Self::Target + 'a>(F) -> Self where Self::Target: 'a; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: F` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(fnbox)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `fnbox` [INFO] [stdout] --> src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(fnbox)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `thunk` due to 7 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ffe4b62ef398990d6f96bc1e7c60fdbd0c4f85ef2e4b6a553fbfa57f6bce8ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe4b62ef398990d6f96bc1e7c60fdbd0c4f85ef2e4b6a553fbfa57f6bce8ee7", kill_on_drop: false }` [INFO] [stdout] ffe4b62ef398990d6f96bc1e7c60fdbd0c4f85ef2e4b6a553fbfa57f6bce8ee7