[INFO] fetching crate kissfft 0.0.8...
[INFO] checking kissfft-0.0.8 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate kissfft 0.0.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate kissfft 0.0.8 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kissfft 0.0.8
[INFO] finished tweaking crates.io crate kissfft 0.0.8
[INFO] tweaked toml for crates.io crate kissfft 0.0.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cd24c0656b58b14f8e5a477aed99714d19de4423f0b8bb333a5fc7a94bb4fe9
[INFO] running `Command { std: "docker" "start" "-a" "9cd24c0656b58b14f8e5a477aed99714d19de4423f0b8bb333a5fc7a94bb4fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cd24c0656b58b14f8e5a477aed99714d19de4423f0b8bb333a5fc7a94bb4fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd24c0656b58b14f8e5a477aed99714d19de4423f0b8bb333a5fc7a94bb4fe9", kill_on_drop: false }`
[INFO] [stdout] 9cd24c0656b58b14f8e5a477aed99714d19de4423f0b8bb333a5fc7a94bb4fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 105330cd5015c3164f301ac148b392c40f357c55bc3d895fc089792909b8da13
[INFO] running `Command { std: "docker" "start" "-a" "105330cd5015c3164f301ac148b392c40f357c55bc3d895fc089792909b8da13", kill_on_drop: false }`
[INFO] [stderr]    Compiling kissfft v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> build.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let compile_object = |&: filename: &str|
[INFO] [stdout]    |                            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `std::os`
[INFO] [stdout]   --> build.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let out_dir = std::os::getenv("OUT_DIR").unwrap_or_else(|| ".".to_string());
[INFO] [stdout]    |                            ^^^^^^ not found in `std::os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `std::os`
[INFO] [stdout]   --> build.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cc = std::os::getenv("CC").unwrap_or_else(|| "gcc".to_string());
[INFO] [stdout]    |                       ^^^^^^ not found in `std::os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `std::os`
[INFO] [stdout]   --> build.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let ar = std::os::getenv("AR").unwrap_or_else(|| "ar".to_string());
[INFO] [stdout]    |                       ^^^^^^ not found in `std::os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kissfft`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "105330cd5015c3164f301ac148b392c40f357c55bc3d895fc089792909b8da13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105330cd5015c3164f301ac148b392c40f357c55bc3d895fc089792909b8da13", kill_on_drop: false }`
[INFO] [stdout] 105330cd5015c3164f301ac148b392c40f357c55bc3d895fc089792909b8da13