[INFO] fetching crate memeroute-gui 0.1.0...
[INFO] testing memeroute-gui-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate memeroute-gui 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate memeroute-gui 0.1.0
[INFO] finished tweaking crates.io crate memeroute-gui 0.1.0
[INFO] tweaked toml for crates.io crate memeroute-gui 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memeroute-gui 0.1.0 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] crate crates.io crate memeroute-gui 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[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] a6015c67cb09018a4859db296cf5c32497eefa61be1c1c3a13b45b2fb42dcbdf
[INFO] running `Command { std: "docker" "start" "-a" "a6015c67cb09018a4859db296cf5c32497eefa61be1c1c3a13b45b2fb42dcbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6015c67cb09018a4859db296cf5c32497eefa61be1c1c3a13b45b2fb42dcbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6015c67cb09018a4859db296cf5c32497eefa61be1c1c3a13b45b2fb42dcbdf", kill_on_drop: false }`
[INFO] [stdout] a6015c67cb09018a4859db296cf5c32497eefa61be1c1c3a13b45b2fb42dcbdf
[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] bffc4a664d570d4f20b296e83ee2078dbc5d8f322931b9b26d68b85a0ddb9a52
[INFO] running `Command { std: "docker" "start" "-a" "bffc4a664d570d4f20b296e83ee2078dbc5d8f322931b9b26d68b85a0ddb9a52", kill_on_drop: false }`
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[INFO] [stderr]    Compiling concurrent_lru v0.2.0
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling float-pretty-print v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling memestat v0.1.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strum v0.24.0
[INFO] [stderr]    Compiling simba v0.7.1
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling enumset v1.0.8
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling bytes v1.1.0
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[INFO] [stderr]    Compiling memega v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memega-0.1.0/src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![feature(array_chunks, is_sorted, trait_alias)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memega-0.1.0/src/lib.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![feature(array_chunks, is_sorted, trait_alias)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v3.1.6
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `SmallVec<[usize; 4]>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memega-0.1.0/src/ops/crossover.rs:200:30
[INFO] [stdout]     |
[INFO] [stdout] 200 |     for &[st, en] in xpoints.array_chunks::<2>() {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ `SmallVec<[usize; 4]>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 200 |     for &[st, en] in xpoints.into_iter().array_chunks::<2>() {
[INFO] [stdout]     |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memega` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bffc4a664d570d4f20b296e83ee2078dbc5d8f322931b9b26d68b85a0ddb9a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffc4a664d570d4f20b296e83ee2078dbc5d8f322931b9b26d68b85a0ddb9a52", kill_on_drop: false }`
[INFO] [stdout] bffc4a664d570d4f20b296e83ee2078dbc5d8f322931b9b26d68b85a0ddb9a52
