[INFO] fetching crate solitaire-core 0.0.1... [INFO] testing solitaire-core-0.0.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate solitaire-core 0.0.1 into /workspace/builds/worker-41/source [INFO] validating manifest of crates.io crate solitaire-core 0.0.1 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 solitaire-core 0.0.1 [INFO] finished tweaking crates.io crate solitaire-core 0.0.1 [INFO] tweaked toml for crates.io crate solitaire-core 0.0.1 written to /workspace/builds/worker-41/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0149078164237f2ff94671c79fa2cc9c560759069ac58e20a017761219070bb [INFO] running `Command { std: "docker" "start" "-a" "a0149078164237f2ff94671c79fa2cc9c560759069ac58e20a017761219070bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0149078164237f2ff94671c79fa2cc9c560759069ac58e20a017761219070bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0149078164237f2ff94671c79fa2cc9c560759069ac58e20a017761219070bb", kill_on_drop: false }` [INFO] [stdout] a0149078164237f2ff94671c79fa2cc9c560759069ac58e20a017761219070bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 433cb9e05eb7b0516e9ef1ec7752617ad1fd54e652b55ce41c93a829260185a9 [INFO] running `Command { std: "docker" "start" "-a" "433cb9e05eb7b0516e9ef1ec7752617ad1fd54e652b55ce41c93a829260185a9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling libz-sys v1.1.5 [INFO] [stderr] Compiling libgit2-sys v0.9.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling git2 v0.10.2 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling built v0.3.2 [INFO] [stderr] Compiling solitaire-core v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(option_expect_none)] [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:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(fn_traits)] [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:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(unboxed_closures)] [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:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(option_expect_none)] [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:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(fn_traits)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `option_expect_none` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(option_expect_none)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `solitaire-core` due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "433cb9e05eb7b0516e9ef1ec7752617ad1fd54e652b55ce41c93a829260185a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "433cb9e05eb7b0516e9ef1ec7752617ad1fd54e652b55ce41c93a829260185a9", kill_on_drop: false }` [INFO] [stdout] 433cb9e05eb7b0516e9ef1ec7752617ad1fd54e652b55ce41c93a829260185a9