[INFO] fetching crate argmap 1.1.1...
[INFO] testing argmap-1.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate argmap 1.1.1 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate argmap 1.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmap 1.1.1
[INFO] finished tweaking crates.io crate argmap 1.1.1
[INFO] tweaked toml for crates.io crate argmap 1.1.1 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate crates.io crate argmap 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0048aa51dc586398644b1bffec6ab8e0ad21acdd469d9c6c882b11239522ba23
[INFO] running `Command { std: "docker" "start" "-a" "0048aa51dc586398644b1bffec6ab8e0ad21acdd469d9c6c882b11239522ba23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0048aa51dc586398644b1bffec6ab8e0ad21acdd469d9c6c882b11239522ba23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0048aa51dc586398644b1bffec6ab8e0ad21acdd469d9c6c882b11239522ba23", kill_on_drop: false }`
[INFO] [stdout] 0048aa51dc586398644b1bffec6ab8e0ad21acdd469d9c6c882b11239522ba23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39cf02986c9f0a90cdcebda09af9b9f4e602e1f722feeef50738603490c6a03
[INFO] running `Command { std: "docker" "start" "-a" "c39cf02986c9f0a90cdcebda09af9b9f4e602e1f722feeef50738603490c6a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling argmap v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extended_key_value_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `extended_key_value_attributes` has been stable since 1.54.0 and no longer requires an attribute to enable
[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 `argmap` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c39cf02986c9f0a90cdcebda09af9b9f4e602e1f722feeef50738603490c6a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39cf02986c9f0a90cdcebda09af9b9f4e602e1f722feeef50738603490c6a03", kill_on_drop: false }`
[INFO] [stdout] c39cf02986c9f0a90cdcebda09af9b9f4e602e1f722feeef50738603490c6a03