[INFO] cloning repository https://github.com/shade/jothello
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shade/jothello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshade%2Fjothello"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshade%2Fjothello'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f43fe14411cce8d0405d6a490dd3afe277f01851
[INFO] checking shade/jothello against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshade%2Fjothello" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shade/jothello on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shade/jothello
[INFO] finished tweaking git repo https://github.com/shade/jothello
[INFO] tweaked toml for git repo https://github.com/shade/jothello written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/shade/jothello already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7427702210b510ebf1668e838101fa4f25a961ef196fb1005b74098fb2c502b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7427702210b510ebf1668e838101fa4f25a961ef196fb1005b74098fb2c502b5"`
[INFO] [stderr]     Checking jothello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: `{float}` is not an iterator
[INFO] [stderr]   --> src/build.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     for black in 0.8 {
[INFO] [stderr]    |                  ^^^ `{float}` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `{float}`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `{float}` is not an iterator
[INFO] [stderr]   --> src/build.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     for black in 0.8 {
[INFO] [stderr]    |                  ^^^ `{float}` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `{float}`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `jothello`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `jothello`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7427702210b510ebf1668e838101fa4f25a961ef196fb1005b74098fb2c502b5"`
[INFO] running `"docker" "rm" "-f" "7427702210b510ebf1668e838101fa4f25a961ef196fb1005b74098fb2c502b5"`
[INFO] [stdout] 7427702210b510ebf1668e838101fa4f25a961ef196fb1005b74098fb2c502b5