[INFO] fetching crate nil-num-macros 0.4.22...
[INFO] testing nil-num-macros-0.4.22 against 1.95.0 for beta-1.96-1
[INFO] extracting crate nil-num-macros 0.4.22 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nil-num-macros 0.4.22
[INFO] finished tweaking crates.io crate nil-num-macros 0.4.22
[INFO] tweaked toml for crates.io crate nil-num-macros 0.4.22 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nil-num-macros 0.4.22 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 crates.io crate nil-num-macros 0.4.22 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 94efd42252c6e46deccb353ca88dd14e55b97db9ad4afcca4fd1b18b05c2718c
[INFO] running `Command { std: "docker" "start" "-a" "94efd42252c6e46deccb353ca88dd14e55b97db9ad4afcca4fd1b18b05c2718c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94efd42252c6e46deccb353ca88dd14e55b97db9ad4afcca4fd1b18b05c2718c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94efd42252c6e46deccb353ca88dd14e55b97db9ad4afcca4fd1b18b05c2718c", kill_on_drop: false }`
[INFO] [stdout] 94efd42252c6e46deccb353ca88dd14e55b97db9ad4afcca4fd1b18b05c2718c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c888da991a6bf6243b2bdf69e2f7ef6222d4cac0382d8f38e8fff766745dbef
[INFO] running `Command { std: "docker" "start" "-a" "5c888da991a6bf6243b2bdf69e2f7ef6222d4cac0382d8f38e8fff766745dbef", kill_on_drop: false }`
[INFO] [stderr] error: rustc 1.95.0 is not supported by the following package:
[INFO] [stderr]   nil-num-macros@0.4.22 requires rustc 1.96
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "5c888da991a6bf6243b2bdf69e2f7ef6222d4cac0382d8f38e8fff766745dbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c888da991a6bf6243b2bdf69e2f7ef6222d4cac0382d8f38e8fff766745dbef", kill_on_drop: false }`
[INFO] [stdout] 5c888da991a6bf6243b2bdf69e2f7ef6222d4cac0382d8f38e8fff766745dbef