[INFO] updating cached repository https://github.com/benkonz/wolf_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b59e2adeb2ab2a07112559df3826a1631a71b4b
[INFO] checking benkonz/wolf_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenkonz%2Fwolf_rust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benkonz/wolf_rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/benkonz/wolf_rust
[INFO] finished tweaking git repo https://github.com/benkonz/wolf_rust
[INFO] tweaked toml for git repo https://github.com/benkonz/wolf_rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/benkonz/wolf_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 050117e13bd59a4a5de3d0510fa1c7d8ab164e0d8878370bcef4644af9f0033c
[INFO] running `"docker" "start" "-a" "050117e13bd59a4a5de3d0510fa1c7d8ab164e0d8878370bcef4644af9f0033c"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/png-0.16.1/src/utils.rs:138:27
[INFO] [stderr]     |
[INFO] [stderr] 138 |         self.line_width = line_width.ceil() as u32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/png-0.16.1/src/utils.rs:139:22
[INFO] [stderr]     |
[INFO] [stderr] 139 |         self.lines = lines.ceil() as u32;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `png`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "050117e13bd59a4a5de3d0510fa1c7d8ab164e0d8878370bcef4644af9f0033c"`
[INFO] running `"docker" "rm" "-f" "050117e13bd59a4a5de3d0510fa1c7d8ab164e0d8878370bcef4644af9f0033c"`
[INFO] [stdout] 050117e13bd59a4a5de3d0510fa1c7d8ab164e0d8878370bcef4644af9f0033c