[INFO] fetching crate testnumbat-wasm-debug 0.0.2...
[INFO] testing testnumbat-wasm-debug-0.0.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate testnumbat-wasm-debug 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate testnumbat-wasm-debug 0.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate testnumbat-wasm-debug 0.0.2
[INFO] tweaked toml for crates.io crate testnumbat-wasm-debug 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate testnumbat-wasm-debug 0.0.2 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 53 packages to highest compatible versions
[INFO] [stderr]       Adding num-bigint v0.4.8 (available: v0.5.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.11.1)
[INFO] [stderr]       Adding sha3 v0.9.1 (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 testnumbat-wasm-derive v0.0.2
[INFO] [stderr]   Downloaded testnumbat-codec v0.0.2
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded testdenali v0.0.2
[INFO] [stderr]   Downloaded testnumbat-codec-derive v0.0.2
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded testnumbat-wasm v0.0.2
[INFO] [stderr]   Downloaded radix_trie v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105
[INFO] running `Command { std: "docker" "start" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105", 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" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105" "/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" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105", 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" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling testnumbat-codec-derive v0.0.2
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling radix_trie v0.1.6
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling testnumbat-wasm-derive v0.0.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling testnumbat-codec v0.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling testnumbat-wasm v0.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/testnumbat-wasm-0.0.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `E: Residual<T>` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/testnumbat-wasm-0.0.2/src/types/io/sc_result.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |     type Residual = E;
[INFO] [stdout]    |                     ^ the nightly-only, unstable trait `Residual<T>` is not implemented for `E`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `core::ops::Try::Residual`
[INFO] [stdout]   --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testnumbat-wasm` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105", kill_on_drop: false }`
[INFO] [stdout] d0957001097996b9e06cf4af4bf2edab42696c97be42d06b9f0d6bb4dfa5d105
