[INFO] fetching crate sync-no-std 0.1.3... [INFO] testing sync-no-std-0.1.3 against 1.90.0 for beta-1.91-3 [INFO] extracting crate sync-no-std 0.1.3 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate sync-no-std 0.1.3 [INFO] finished tweaking crates.io crate sync-no-std 0.1.3 [INFO] tweaked toml for crates.io crate sync-no-std 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sync-no-std 0.1.3 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded panicking v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2 [INFO] running `Command { std: "docker" "start" "-a" "a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2", kill_on_drop: false }` [INFO] [stdout] a6e7f846e9e27a53858fca035104c37962b6e73adf02b83688dba2a1ca8121b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d [INFO] running `Command { std: "docker" "start" "-a" "b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d", kill_on_drop: false }` [INFO] [stderr] Compiling litrs v0.4.2 [INFO] [stderr] Compiling document-features v0.2.11 [INFO] [stderr] Compiling panicking v0.5.0 [INFO] [stderr] Compiling sync-no-std v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(allocator_api)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(negative_impls)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lazy_box.rs:54:37 [INFO] [stdout] | [INFO] [stdout] 54 | let new_ptr = Box::into_raw(T::init(self.allocator.clone())); [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Box<_>`, found `Box::Allocator>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box<_, alloc::alloc::Global>` [INFO] [stdout] found struct `Box::Allocator>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1152:12 [INFO] [stdout] help: consider constraining the associated type `::Allocator` to `alloc::alloc::Global` [INFO] [stdout] | [INFO] [stdout] 41 | impl> LazyBox { [INFO] [stdout] | ++++++++++++++++++++++++++++++++++ [INFO] [stdout] help: call `Into::into` on this expression to convert `Box::Allocator>` into `Box<_>` [INFO] [stdout] | [INFO] [stdout] 54 | let new_ptr = Box::into_raw(T::init(self.allocator.clone()).into()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sync-no-std` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d", kill_on_drop: false }` [INFO] [stdout] b371c01735937d461c3ebb94d9b423957beaa4f6ad12abba836fd007b8e80a6d