[INFO] fetching crate kissfft 0.0.8...
[INFO] checking kissfft-0.0.8 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate kissfft 0.0.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate kissfft 0.0.8 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daf75ef93851849a711dc7d2005b7e9d4c580a597b07b853183d47d58368d080
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "daf75ef93851849a711dc7d2005b7e9d4c580a597b07b853183d47d58368d080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf75ef93851849a711dc7d2005b7e9d4c580a597b07b853183d47d58368d080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf75ef93851849a711dc7d2005b7e9d4c580a597b07b853183d47d58368d080", kill_on_drop: false }`
[INFO] [stdout] daf75ef93851849a711dc7d2005b7e9d4c580a597b07b853183d47d58368d080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a5eb16c12b6075b22de4db023065417c01d2944a4f83a818a1ac38ba2a016ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a5eb16c12b6075b22de4db023065417c01d2944a4f83a818a1ac38ba2a016ac", 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" "0a5eb16c12b6075b22de4db023065417c01d2944a4f83a818a1ac38ba2a016ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5eb16c12b6075b22de4db023065417c01d2944a4f83a818a1ac38ba2a016ac", kill_on_drop: false }`
[INFO] [stdout] 0a5eb16c12b6075b22de4db023065417c01d2944a4f83a818a1ac38ba2a016ac