[INFO] fetching crate multiproof-rs 0.1.9...
[INFO] testing multiproof-rs-0.1.9 against 1.90.0 for beta-1.91-3
[INFO] extracting crate multiproof-rs 0.1.9 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multiproof-rs 0.1.9 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding arbitrary v0.4.7 (available: v1.4.2)
[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: v0.10.8)
[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 serde_cbor v0.10.2
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3bf4adc4c8e22424b23d3194efa4361d45669ed5efc3cc45967d4d36c71043d2
[INFO] running `Command { std: "docker" "start" "-a" "3bf4adc4c8e22424b23d3194efa4361d45669ed5efc3cc45967d4d36c71043d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf4adc4c8e22424b23d3194efa4361d45669ed5efc3cc45967d4d36c71043d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf4adc4c8e22424b23d3194efa4361d45669ed5efc3cc45967d4d36c71043d2", kill_on_drop: false }`
[INFO] [stdout] 3bf4adc4c8e22424b23d3194efa4361d45669ed5efc3cc45967d4d36c71043d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c0e58156d724ab83a6b179f82439946799aa04854d17e917f5bae0e39e3d2a0c
[INFO] running `Command { std: "docker" "start" "-a" "c0e58156d724ab83a6b179f82439946799aa04854d17e917f5bae0e39e3d2a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling rlp v0.4.6
[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 stable 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] running `Command { std: "docker" "inspect" "c0e58156d724ab83a6b179f82439946799aa04854d17e917f5bae0e39e3d2a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e58156d724ab83a6b179f82439946799aa04854d17e917f5bae0e39e3d2a0c", kill_on_drop: false }`
[INFO] [stdout] c0e58156d724ab83a6b179f82439946799aa04854d17e917f5bae0e39e3d2a0c
