[INFO] fetching crate multiproof-rs 0.1.9...
[INFO] testing multiproof-rs-0.1.9 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate multiproof-rs 0.1.9 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate multiproof-rs 0.1.9
[INFO] finished tweaking crates.io crate multiproof-rs 0.1.9
[INFO] tweaked toml for crates.io crate multiproof-rs 0.1.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multiproof-rs 0.1.9 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to highest compatible versions
[INFO] [stderr]       Adding arbitrary v0.4.7 (available: v1.5.0)
[INFO] [stderr]       Adding rlp v0.4.6 (available: v0.6.1)
[INFO] [stderr]       Adding serde_cbor v0.10.2 (available: v0.11.2)
[INFO] [stderr]       Adding sha3 v0.8.2 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086
[INFO] running `Command { std: "docker" "start" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling multiproof-rs v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiproof-rs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086", kill_on_drop: false }`
[INFO] [stdout] 8d2ee263e079699507c943c24b387dc4a7715b4405559dca1932513c13e87086
