[INFO] fetching crate balanced-tree-index 2.0.0...
[INFO] testing balanced-tree-index-2.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate balanced-tree-index 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate balanced-tree-index 2.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate balanced-tree-index 2.0.0
[INFO] finished tweaking crates.io crate balanced-tree-index 2.0.0
[INFO] tweaked toml for crates.io crate balanced-tree-index 2.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52e99d9348c23aae6bb3b5925bcdda5d4c002457934fc4e85fafa4c63c4f072
[INFO] running `Command { std: "docker" "start" "-a" "e52e99d9348c23aae6bb3b5925bcdda5d4c002457934fc4e85fafa4c63c4f072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52e99d9348c23aae6bb3b5925bcdda5d4c002457934fc4e85fafa4c63c4f072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52e99d9348c23aae6bb3b5925bcdda5d4c002457934fc4e85fafa4c63c4f072", kill_on_drop: false }`
[INFO] [stdout] e52e99d9348c23aae6bb3b5925bcdda5d4c002457934fc4e85fafa4c63c4f072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3045d650721389ee82e2a99d678e72adf6a174df16511af80bee66cb92d0f0e0
[INFO] running `Command { std: "docker" "start" "-a" "3045d650721389ee82e2a99d678e72adf6a174df16511af80bee66cb92d0f0e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling aligned-array v1.0.1
[INFO] [stderr]    Compiling aligned-cmov v2.0.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-cmov-2.0.0/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aligned-cmov` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3045d650721389ee82e2a99d678e72adf6a174df16511af80bee66cb92d0f0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3045d650721389ee82e2a99d678e72adf6a174df16511af80bee66cb92d0f0e0", kill_on_drop: false }`
[INFO] [stdout] 3045d650721389ee82e2a99d678e72adf6a174df16511af80bee66cb92d0f0e0