[INFO] fetching crate solitaire-core 0.0.1...
[INFO] checking solitaire-core-0.0.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate solitaire-core 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate solitaire-core 0.0.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2fba497dfd47a99061ff3490c21f9bcc49eb4d3ce987b3b55e37c60fbecc428
[INFO] running `Command { std: "docker" "start" "-a" "f2fba497dfd47a99061ff3490c21f9bcc49eb4d3ce987b3b55e37c60fbecc428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2fba497dfd47a99061ff3490c21f9bcc49eb4d3ce987b3b55e37c60fbecc428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2fba497dfd47a99061ff3490c21f9bcc49eb4d3ce987b3b55e37c60fbecc428", kill_on_drop: false }`
[INFO] [stdout] f2fba497dfd47a99061ff3490c21f9bcc49eb4d3ce987b3b55e37c60fbecc428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e298f836e0683942a2bc6643f8d144b632a3a190f61d4ab734c075aeb43e4966
[INFO] running `Command { std: "docker" "start" "-a" "e298f836e0683942a2bc6643f8d144b632a3a190f61d4ab734c075aeb43e4966", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling git2 v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling built v0.3.2
[INFO] [stderr]    Compiling solitaire-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::field_type`
[INFO] [stdout]  --> src/tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::field_type::FieldType;
[INFO] [stdout]   |            ^^^^^^^^^^ could not find `field_type` in the crate root
[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[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solitaire-core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solitaire-core` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e298f836e0683942a2bc6643f8d144b632a3a190f61d4ab734c075aeb43e4966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e298f836e0683942a2bc6643f8d144b632a3a190f61d4ab734c075aeb43e4966", kill_on_drop: false }`
[INFO] [stdout] e298f836e0683942a2bc6643f8d144b632a3a190f61d4ab734c075aeb43e4966
