[INFO] cloning repository https://github.com/Woonters/better_kartoffel_radar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Woonters/better_kartoffel_radar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWoonters%2Fbetter_kartoffel_radar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWoonters%2Fbetter_kartoffel_radar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b10bc8cac057e33aa6426876c778918b57e9f28
[INFO] checking Woonters/better_kartoffel_radar against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWoonters%2Fbetter_kartoffel_radar" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Woonters/better_kartoffel_radar
[INFO] finished tweaking git repo https://github.com/Woonters/better_kartoffel_radar
[INFO] tweaked toml for git repo https://github.com/Woonters/better_kartoffel_radar written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Woonters/better_kartoffel_radar on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Woonters/better_kartoffel_radar 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kartoffel v0.7.0
[INFO] [stderr]   Downloaded talc v4.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0663412ceef36b805cc7071687019f8e65b615e155d540eed9bb9dd5094da54b
[INFO] running `Command { std: "docker" "start" "-a" "0663412ceef36b805cc7071687019f8e65b615e155d540eed9bb9dd5094da54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0663412ceef36b805cc7071687019f8e65b615e155d540eed9bb9dd5094da54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0663412ceef36b805cc7071687019f8e65b615e155d540eed9bb9dd5094da54b", kill_on_drop: false }`
[INFO] [stdout] 0663412ceef36b805cc7071687019f8e65b615e155d540eed9bb9dd5094da54b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6103cfcf4b35534bbeea7543983515a3dc3bff867ff9457ce7fdd0ac56dc3f11
[INFO] running `Command { std: "docker" "start" "-a" "6103cfcf4b35534bbeea7543983515a3dc3bff867ff9457ce7fdd0ac56dc3f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling kartoffel v0.7.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking talc v4.4.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/talc-4.4.2/src/lib.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "allocator", feature(allocator_api))]
[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 `talc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6103cfcf4b35534bbeea7543983515a3dc3bff867ff9457ce7fdd0ac56dc3f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6103cfcf4b35534bbeea7543983515a3dc3bff867ff9457ce7fdd0ac56dc3f11", kill_on_drop: false }`
[INFO] [stdout] 6103cfcf4b35534bbeea7543983515a3dc3bff867ff9457ce7fdd0ac56dc3f11