[INFO] fetching crate zubbers 0.0.1...
[INFO] testing zubbers-0.0.1 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate zubbers 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate zubbers 0.0.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zubbers 0.0.1
[INFO] finished tweaking crates.io crate zubbers 0.0.1
[INFO] tweaked toml for crates.io crate zubbers 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate zubbers 0.0.1 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flamer v0.3.0
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded flame v0.2.2
[INFO] [stderr]   Downloaded im-rc v14.3.0
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aa3bdf75cacc48bcfdf51088605dd9907bd396167cdd1e16b6bf288716a8ec4
[INFO] running `Command { std: "docker" "start" "-a" "2aa3bdf75cacc48bcfdf51088605dd9907bd396167cdd1e16b6bf288716a8ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa3bdf75cacc48bcfdf51088605dd9907bd396167cdd1e16b6bf288716a8ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa3bdf75cacc48bcfdf51088605dd9907bd396167cdd1e16b6bf288716a8ec4", kill_on_drop: false }`
[INFO] [stdout] 2aa3bdf75cacc48bcfdf51088605dd9907bd396167cdd1e16b6bf288716a8ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bff7829b917123034c86e03b730083e110977e2f28700b96cc5edf72f0c9f8d
[INFO] running `Command { std: "docker" "start" "-a" "9bff7829b917123034c86e03b730083e110977e2f28700b96cc5edf72f0c9f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]    Compiling zubbers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use] extern crate flamer;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tag::*`
[INFO] [stdout]  --> src/vm/value/object.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::gc::{tag::*, trace::*, *};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::compiler::CompileState`
[INFO] [stdout]  --> src/vm/vm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::compiler::CompileState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Trace`, `Tracer`
[INFO] [stdout]  --> src/vm/disassembler.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gc::trace::{ Trace, Tracer };
[INFO] [stdout]   |                  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `rc::Rc`, `sync::Mutex`
[INFO] [stdout]  --> src/vm/interop.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::Mutex, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Heap`
[INFO] [stdout]  --> src/vm/interop.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Heap, Value, VM, Object, WithHeap, Handle};
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/vm/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[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(vec_drain_as_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_drain_as_slice` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_drain_as_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zubbers` (lib) due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bff7829b917123034c86e03b730083e110977e2f28700b96cc5edf72f0c9f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bff7829b917123034c86e03b730083e110977e2f28700b96cc5edf72f0c9f8d", kill_on_drop: false }`
[INFO] [stdout] 9bff7829b917123034c86e03b730083e110977e2f28700b96cc5edf72f0c9f8d
