[INFO] fetching crate zerogc-simple 0.2.0-alpha.7...
[INFO] checking zerogc-simple-0.2.0-alpha.7 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate zerogc-simple 0.2.0-alpha.7 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate zerogc-simple 0.2.0-alpha.7 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 zerogc-simple 0.2.0-alpha.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zerogc-simple 0.2.0-alpha.7
[INFO] tweaked toml for crates.io crate zerogc-simple 0.2.0-alpha.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate zerogc-simple 0.2.0-alpha.7 already has a lockfile, it will not be regenerated
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ac7ceee1d1bbe38bd6a77b037a185e138fbc6f46e472a1ddad921e48146a8af6
[INFO] running `Command { std: "docker" "start" "-a" "ac7ceee1d1bbe38bd6a77b037a185e138fbc6f46e472a1ddad921e48146a8af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac7ceee1d1bbe38bd6a77b037a185e138fbc6f46e472a1ddad921e48146a8af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7ceee1d1bbe38bd6a77b037a185e138fbc6f46e472a1ddad921e48146a8af6", kill_on_drop: false }`
[INFO] [stdout] ac7ceee1d1bbe38bd6a77b037a185e138fbc6f46e472a1ddad921e48146a8af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] acc43ebe7e4789c1519e655b30e4fc826a9502cbd1abda7911e71cba9ffca6a2
[INFO] running `Command { std: "docker" "start" "-a" "acc43ebe7e4789c1519e655b30e4fc826a9502cbd1abda7911e71cba9ffca6a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking bumpalo v3.9.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-term v2.8.1
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]    Compiling inherent v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling proc-macro-kwargs v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.6
[INFO] [stderr]     Checking zerogc v0.2.0-alpha.7
[INFO] [stdout] error[E0432]: unresolved import `std::lazy`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/epsilon.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::lazy::OnceCell;
[INFO] [stdout]    |          ^^^^ could not find `lazy` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Deref` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/lib.rs:874:63
[INFO] [stdout]     |
[INFO] [stdout] 874 | impl<'gc, T: GcSafe<'gc, Id> + ?Sized, Id: CollectorId> const Deref for Gc<'gc, T, Id> {
[INFO] [stdout]     |                                                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/lib.rs:680:27
[INFO] [stdout]     |
[INFO] [stdout] 680 |     type ArrayPtr: ~const crate::array::repr::GcArrayPtr<Id=Self>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstCollectorId` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/epsilon.rs:385:19
[INFO] [stdout]     |
[INFO] [stdout] 385 | unsafe impl const ConstCollectorId for EpsilonCollectorId {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/internals.rs:9:1
[INFO] [stdout]     |
[INFO] [stdout] 9   | pub unsafe trait ConstCollectorId: CollectorId {
[INFO] [stdout]     | - help: mark `ConstCollectorId` as const: `#[const_trait]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstStringAccess` which is not marked with `#[const_trait]`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/array.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub trait ConstStringAccess<'gc> {
[INFO] [stdout]    | - help: mark `ConstStringAccess` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 76 | impl<'gc, Id: ~const ConstCollectorId> const ConstStringAccess<'gc> for GcString<'gc, Id> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/array.rs:76:22
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl<'gc, Id: ~const ConstCollectorId> const ConstStringAccess<'gc> for GcString<'gc, Id> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstArrayAccess` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/array.rs:193:49
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub trait ConstArrayAccess<'gc, T> {
[INFO] [stdout]     | - help: mark `ConstArrayAccess` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 193 | impl<'gc, T, Id: ~const ConstCollectorId> const ConstArrayAccess<'gc, T> for GcArray<'gc, T, Id> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ~const can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-0.2.0-alpha.7/src/array.rs:193:25
[INFO] [stdout]     |
[INFO] [stdout] 193 | impl<'gc, T, Id: ~const ConstCollectorId> const ConstArrayAccess<'gc, T> for GcArray<'gc, T, Id> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerogc` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "acc43ebe7e4789c1519e655b30e4fc826a9502cbd1abda7911e71cba9ffca6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc43ebe7e4789c1519e655b30e4fc826a9502cbd1abda7911e71cba9ffca6a2", kill_on_drop: false }`
[INFO] [stdout] acc43ebe7e4789c1519e655b30e4fc826a9502cbd1abda7911e71cba9ffca6a2
