[INFO] cloning repository https://github.com/Kijewski/prefer-dynamic2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kijewski/prefer-dynamic2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKijewski%2Fprefer-dynamic2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKijewski%2Fprefer-dynamic2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a123e67bd021dd1a27ee8c5a0711bc8045cb8d45
[INFO] checking Kijewski/prefer-dynamic2 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKijewski%2Fprefer-dynamic2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Kijewski/prefer-dynamic2
[INFO] finished tweaking git repo https://github.com/Kijewski/prefer-dynamic2
[INFO] tweaked toml for git repo https://github.com/Kijewski/prefer-dynamic2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kijewski/prefer-dynamic2 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kijewski/prefer-dynamic2 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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c
[INFO] running `Command { std: "docker" "start" "aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefer-dynamic2 v0.2.1 (/opt/rustwide/workdir/prefer-dynamic2)
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> prefer-dynamic2/build.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     if cfg!(not(any(unix, windows))) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use cargo environment variables if possible: `!(std::env::var("CARGO_CFG_UNIX").is_ok() || std::env::var("CARGO_CFG_WINDOWS").is_ok())`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(misleading_cfg_in_build_script)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> prefer-dynamic2/build.rs:93:15
[INFO] [stdout]    |
[INFO] [stdout] 93 |         #[cfg(unix)]
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: target-based cfg should be avoided in build scripts
[INFO] [stdout]   --> prefer-dynamic2/build.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |         #[cfg(windows)]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prefer-dynamic2` (build script) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c", kill_on_drop: false }`
[INFO] [stdout] aa972105f5a0d2d6fbdb72bf1884feca16b77f9c63c2cb00c297d1a436f4e01c