[INFO] fetching crate kissfft 0.0.8...
[INFO] checking kissfft-0.0.8 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate kissfft 0.0.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kissfft 0.0.8 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f98c77b539914ebab2f33af3575de7d25298b5fe1252d372231c96cd02fe0b47
[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" "f98c77b539914ebab2f33af3575de7d25298b5fe1252d372231c96cd02fe0b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f98c77b539914ebab2f33af3575de7d25298b5fe1252d372231c96cd02fe0b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98c77b539914ebab2f33af3575de7d25298b5fe1252d372231c96cd02fe0b47", kill_on_drop: false }`
[INFO] [stdout] f98c77b539914ebab2f33af3575de7d25298b5fe1252d372231c96cd02fe0b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817b4e1aae751c4a0b423db787b0a580d267fbe8eef8eb47d840e29d2e926174
[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" "817b4e1aae751c4a0b423db787b0a580d267fbe8eef8eb47d840e29d2e926174", 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" "817b4e1aae751c4a0b423db787b0a580d267fbe8eef8eb47d840e29d2e926174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817b4e1aae751c4a0b423db787b0a580d267fbe8eef8eb47d840e29d2e926174", kill_on_drop: false }`
[INFO] [stdout] 817b4e1aae751c4a0b423db787b0a580d267fbe8eef8eb47d840e29d2e926174