[INFO] fetching crate aml 0.16.4...
[INFO] testing aml-0.16.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate aml 0.16.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate aml 0.16.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aml 0.16.4
[INFO] finished tweaking crates.io crate aml 0.16.4
[INFO] tweaked toml for crates.io crate aml 0.16.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4972c6f57239dac379cfc5b15989d4a8bab9ff750013e55d47bb7e22d520549
[INFO] running `Command { std: "docker" "start" "-a" "e4972c6f57239dac379cfc5b15989d4a8bab9ff750013e55d47bb7e22d520549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4972c6f57239dac379cfc5b15989d4a8bab9ff750013e55d47bb7e22d520549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4972c6f57239dac379cfc5b15989d4a8bab9ff750013e55d47bb7e22d520549", kill_on_drop: false }`
[INFO] [stdout] e4972c6f57239dac379cfc5b15989d4a8bab9ff750013e55d47bb7e22d520549
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c1021c315f6086f64e5d51da5d7cd181e5abab0eaede399ebbf1e4aed29d43
[INFO] running `Command { std: "docker" "start" "-a" "e5c1021c315f6086f64e5d51da5d7cd181e5abab0eaede399ebbf1e4aed29d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling aml v0.16.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | #![feature(decl_macro)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/statement.rs:235:49
[INFO] [stdout]     |
[INFO] [stdout] 235 | ...                   Ok((_, new_context, result)) => {
[INFO] [stdout]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning 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 `aml` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e5c1021c315f6086f64e5d51da5d7cd181e5abab0eaede399ebbf1e4aed29d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c1021c315f6086f64e5d51da5d7cd181e5abab0eaede399ebbf1e4aed29d43", kill_on_drop: false }`
[INFO] [stdout] e5c1021c315f6086f64e5d51da5d7cd181e5abab0eaede399ebbf1e4aed29d43
[INFO] testing aml-0.16.4 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate aml 0.16.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate aml 0.16.4 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aml 0.16.4
[INFO] finished tweaking crates.io crate aml 0.16.4
[INFO] tweaked toml for crates.io crate aml 0.16.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db3b074ebe7f6a5ee4e1aa9f57070ef83b0ddd25d4f1ab22f19f14e8e1d648d9
[INFO] running `Command { std: "docker" "start" "-a" "db3b074ebe7f6a5ee4e1aa9f57070ef83b0ddd25d4f1ab22f19f14e8e1d648d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3b074ebe7f6a5ee4e1aa9f57070ef83b0ddd25d4f1ab22f19f14e8e1d648d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3b074ebe7f6a5ee4e1aa9f57070ef83b0ddd25d4f1ab22f19f14e8e1d648d9", kill_on_drop: false }`
[INFO] [stdout] db3b074ebe7f6a5ee4e1aa9f57070ef83b0ddd25d4f1ab22f19f14e8e1d648d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea399d3705dd0e9561501b5c21849f3191f6e2b0e76029e8d6c7e504f2f52eb7
[INFO] running `Command { std: "docker" "start" "-a" "ea399d3705dd0e9561501b5c21849f3191f6e2b0e76029e8d6c7e504f2f52eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling aml v0.16.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | #![feature(decl_macro)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/statement.rs:235:49
[INFO] [stdout]     |
[INFO] [stdout] 235 | ...                   Ok((_, new_context, result)) => {
[INFO] [stdout]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning 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 `aml` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ea399d3705dd0e9561501b5c21849f3191f6e2b0e76029e8d6c7e504f2f52eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea399d3705dd0e9561501b5c21849f3191f6e2b0e76029e8d6c7e504f2f52eb7", kill_on_drop: false }`
[INFO] [stdout] ea399d3705dd0e9561501b5c21849f3191f6e2b0e76029e8d6c7e504f2f52eb7
