[INFO] fetching crate rusht 1.1.0...
[INFO] testing rusht-1.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate rusht 1.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rusht 1.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusht 1.1.0
[INFO] finished tweaking crates.io crate rusht 1.1.0
[INFO] tweaked toml for crates.io crate rusht 1.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate rusht 1.1.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoize-inner v0.2.1
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded polling v2.3.0
[INFO] [stderr]   Downloaded async-process v1.5.0
[INFO] [stderr]   Downloaded async-lock v1.1.5
[INFO] [stderr]   Downloaded async-io v1.9.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.0
[INFO] [stderr]   Downloaded ustr v0.9.0
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.2
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded parse_duration0 v3.0.0
[INFO] [stderr]   Downloaded wait-for-me v0.2.0
[INFO] [stderr]   Downloaded memoize v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6181e1c4394755207bf966af496830e17b5503993aed9d12bc886792cef88dd9
[INFO] running `Command { std: "docker" "start" "-a" "6181e1c4394755207bf966af496830e17b5503993aed9d12bc886792cef88dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6181e1c4394755207bf966af496830e17b5503993aed9d12bc886792cef88dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6181e1c4394755207bf966af496830e17b5503993aed9d12bc886792cef88dd9", kill_on_drop: false }`
[INFO] [stdout] 6181e1c4394755207bf966af496830e17b5503993aed9d12bc886792cef88dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b989ce9811f5ed7672d9a79870550457fa62fb838d6f5edd9324b7a08f0114
[INFO] running `Command { std: "docker" "start" "-a" "54b989ce9811f5ed7672d9a79870550457fa62fb838d6f5edd9324b7a08f0114", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rusht v1.1.0 (/opt/rustwide/workdir)
[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(future_join)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_changing_struct_update)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(result_flattening)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::env`
[INFO] [stdout]  --> src/observe/sound.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::std::env;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::io::Cursor`
[INFO] [stdout]  --> src/observe/sound.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ::std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::log::warn`
[INFO] [stdout]  --> src/observe/sound.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::log::warn;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(future_join)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(result_flattening)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusht` due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "54b989ce9811f5ed7672d9a79870550457fa62fb838d6f5edd9324b7a08f0114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b989ce9811f5ed7672d9a79870550457fa62fb838d6f5edd9324b7a08f0114", kill_on_drop: false }`
[INFO] [stdout] 54b989ce9811f5ed7672d9a79870550457fa62fb838d6f5edd9324b7a08f0114
