[INFO] fetching crate pyrand 0.1.1...
[INFO] testing pyrand-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate pyrand 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pyrand 0.1.1
[INFO] finished tweaking crates.io crate pyrand 0.1.1
[INFO] tweaked toml for crates.io crate pyrand 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyrand 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f60aae2bae006175c4c6f10b8fe1fef211cf1eccfd5f75687bf15df7038d97
[INFO] running `Command { std: "docker" "start" "-a" "82f60aae2bae006175c4c6f10b8fe1fef211cf1eccfd5f75687bf15df7038d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f60aae2bae006175c4c6f10b8fe1fef211cf1eccfd5f75687bf15df7038d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f60aae2bae006175c4c6f10b8fe1fef211cf1eccfd5f75687bf15df7038d97", kill_on_drop: false }`
[INFO] [stdout] 82f60aae2bae006175c4c6f10b8fe1fef211cf1eccfd5f75687bf15df7038d97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad5a2f64263d5060514c269ab7bf20a2060ccaf1b79f9a1c50a1e7102c870b8
[INFO] running `Command { std: "docker" "start" "-a" "3ad5a2f64263d5060514c269ab7bf20a2060ccaf1b79f9a1c50a1e7102c870b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling pyrand v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> src/lib.rs:300:14
[INFO] [stdout]     |
[INFO] [stdout] 299 |           let key: Vec<_> = bytes
[INFO] [stdout]     |  ___________________________-
[INFO] [stdout] 300 | |             .array_chunks()
[INFO] [stdout]     | |             -^^^^^^^^^^^^ `Vec<u8>` is not an iterator
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 300 |             .into_iter().array_chunks()
[INFO] [stdout]     |              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyrand` (lib) due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ad5a2f64263d5060514c269ab7bf20a2060ccaf1b79f9a1c50a1e7102c870b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad5a2f64263d5060514c269ab7bf20a2060ccaf1b79f9a1c50a1e7102c870b8", kill_on_drop: false }`
[INFO] [stdout] 3ad5a2f64263d5060514c269ab7bf20a2060ccaf1b79f9a1c50a1e7102c870b8
