[INFO] fetching crate leetcode-cli-rs 0.1.0...
[INFO] testing leetcode-cli-rs-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate leetcode-cli-rs 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate leetcode-cli-rs 0.1.0
[INFO] finished tweaking crates.io crate leetcode-cli-rs 0.1.0
[INFO] tweaked toml for crates.io crate leetcode-cli-rs 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leetcode-cli-rs 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 leetcode-cli-rs 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 308c34efe9b4733275f94463a926a4069fa9b9bd328eac9bd2baae6382abb30e
[INFO] running `Command { std: "docker" "start" "-a" "308c34efe9b4733275f94463a926a4069fa9b9bd328eac9bd2baae6382abb30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "308c34efe9b4733275f94463a926a4069fa9b9bd328eac9bd2baae6382abb30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308c34efe9b4733275f94463a926a4069fa9b9bd328eac9bd2baae6382abb30e", kill_on_drop: false }`
[INFO] [stdout] 308c34efe9b4733275f94463a926a4069fa9b9bd328eac9bd2baae6382abb30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6b544651e6ea7ebd5b07d573c7871fea4b469183a7947e14afcfc08080e4962b
[INFO] running `Command { std: "docker" "start" "-a" "6b544651e6ea7ebd5b07d573c7871fea4b469183a7947e14afcfc08080e4962b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling xml5ever v0.17.0
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[INFO] [stderr]    Compiling graphql_query_derive v0.14.0
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[INFO] [stderr]    Compiling reqwest v0.12.3
[INFO] [stderr]    Compiling leetcode-cli-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(register_tool)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-cli-rs` (bin "leetcode-cli-rs") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6b544651e6ea7ebd5b07d573c7871fea4b469183a7947e14afcfc08080e4962b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b544651e6ea7ebd5b07d573c7871fea4b469183a7947e14afcfc08080e4962b", kill_on_drop: false }`
[INFO] [stdout] 6b544651e6ea7ebd5b07d573c7871fea4b469183a7947e14afcfc08080e4962b
