[INFO] fetching crate msiz_rustc-ap-rustc_data_structures 3.0.0...
[INFO] checking msiz_rustc-ap-rustc_data_structures-3.0.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate msiz_rustc-ap-rustc_data_structures 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0
[INFO] finished tweaking crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0
[INFO] tweaked toml for crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.4.12 (available: v0.7.6)
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding crossbeam-deque v0.2.0 (available: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.3.1 (available: v0.9.18)
[INFO] [stderr]       Adding crossbeam-utils v0.2.2 (available: v0.8.20)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.20)
[INFO] [stderr]       Adding ena v0.13.1 (available: v0.14.3)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding lock_api v0.1.5 (available: v0.4.12)
[INFO] [stderr]       Adding memoffset v0.2.1 (available: v0.9.1)
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.4.0 (available: v0.9.10)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding rustc-rayon v0.2.0 (available: v0.5.0)
[INFO] [stderr]       Adding rustc-rayon-core v0.2.0 (available: v0.5.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding scopeguard v0.3.3 (available: v1.2.0)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded rustc-rayon-core v0.2.0
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded msiz_rustc-ap-serialize v3.0.0
[INFO] [stderr]   Downloaded lock_api v0.1.5
[INFO] [stderr]   Downloaded parking_lot_core v0.4.0
[INFO] [stderr]   Downloaded parking_lot v0.7.1
[INFO] [stderr]   Downloaded msiz_rustc-ap-graphviz v3.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.2.0
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2a083df93a42f18c94a4588712d70ce4c43835c98f1870aaf5e9ebbcb55803a
[INFO] running `Command { std: "docker" "start" "-a" "c2a083df93a42f18c94a4588712d70ce4c43835c98f1870aaf5e9ebbcb55803a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a083df93a42f18c94a4588712d70ce4c43835c98f1870aaf5e9ebbcb55803a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a083df93a42f18c94a4588712d70ce4c43835c98f1870aaf5e9ebbcb55803a", kill_on_drop: false }`
[INFO] [stdout] c2a083df93a42f18c94a4588712d70ce4c43835c98f1870aaf5e9ebbcb55803a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4442e8101d3b553cb499a2cd7cf2e4cda5b04db0d725284293177f7e918f8f77
[INFO] running `Command { std: "docker" "start" "-a" "4442e8101d3b553cb499a2cd7cf2e4cda5b04db0d725284293177f7e918f8f77", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking jobserver v0.1.32
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking ena v0.13.1
[INFO] [stderr]     Checking msiz_rustc-ap-graphviz v3.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lock_api-0.1.5/src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-0.6.14/lib.rs:32:40
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-0.6.14/lib.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     inline: MaybeUninit<A>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]     |
[INFO] [stdout] 281 |     inline: std::mem::ManuallyDrop<MaybeUninit<A>>,
[INFO] [stdout]     |             +++++++++++++++++++++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4442e8101d3b553cb499a2cd7cf2e4cda5b04db0d725284293177f7e918f8f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4442e8101d3b553cb499a2cd7cf2e4cda5b04db0d725284293177f7e918f8f77", kill_on_drop: false }`
[INFO] [stdout] 4442e8101d3b553cb499a2cd7cf2e4cda5b04db0d725284293177f7e918f8f77