[INFO] cloning repository https://github.com/SUPERCILEX/cli-errors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SUPERCILEX/cli-errors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSUPERCILEX%2Fcli-errors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSUPERCILEX%2Fcli-errors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1af9ce3206989949fad0417ac3bbb9f29c67ced8
[INFO] testing SUPERCILEX/cli-errors against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSUPERCILEX%2Fcli-errors" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SUPERCILEX/cli-errors 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 git repo https://github.com/SUPERCILEX/cli-errors
[INFO] finished tweaking git repo https://github.com/SUPERCILEX/cli-errors
[INFO] tweaked toml for git repo https://github.com/SUPERCILEX/cli-errors written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/SUPERCILEX/cli-errors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 6a06a421f5615d214faf8efdcb0931ba64c012fa63df84d27d2cad84d9a8891a
[INFO] running `Command { std: "docker" "start" "-a" "6a06a421f5615d214faf8efdcb0931ba64c012fa63df84d27d2cad84d9a8891a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a06a421f5615d214faf8efdcb0931ba64c012fa63df84d27d2cad84d9a8891a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a06a421f5615d214faf8efdcb0931ba64c012fa63df84d27d2cad84d9a8891a", kill_on_drop: false }`
[INFO] [stdout] 6a06a421f5615d214faf8efdcb0931ba64c012fa63df84d27d2cad84d9a8891a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] cf106e1b9ff64c225de17230543c75f4aaed9a10f3e2b0824799026c1c5726ce
[INFO] running `Command { std: "docker" "start" "-a" "cf106e1b9ff64c225de17230543c75f4aaed9a10f3e2b0824799026c1c5726ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling cli-errors-macros v0.3.0 (/opt/rustwide/workdir/cli_errors_macros)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> cli_errors_macros/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `cli-errors-macros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cf106e1b9ff64c225de17230543c75f4aaed9a10f3e2b0824799026c1c5726ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf106e1b9ff64c225de17230543c75f4aaed9a10f3e2b0824799026c1c5726ce", kill_on_drop: false }`
[INFO] [stdout] cf106e1b9ff64c225de17230543c75f4aaed9a10f3e2b0824799026c1c5726ce