[INFO] cloning repository https://github.com/blindley/glutin-skeleton
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blindley/glutin-skeleton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fglutin-skeleton"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fglutin-skeleton'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa471f6772b2103493e17aa553a106bb18f75b8b
[INFO] checking blindley/glutin-skeleton against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fglutin-skeleton" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blindley/glutin-skeleton 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/blindley/glutin-skeleton
[INFO] finished tweaking git repo https://github.com/blindley/glutin-skeleton
[INFO] tweaked toml for git repo https://github.com/blindley/glutin-skeleton written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/blindley/glutin-skeleton already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/blindley/gl_helpers.git`
[INFO] [stderr]     Updating git repository `https://github.com/blindley/multitext.git`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3cab709d1e8208578df1957ea618491f1b8a083764e925096ae5fc3fa42b3861
[INFO] running `"docker" "start" "-a" "3cab709d1e8208578df1957ea618491f1b8a083764e925096ae5fc3fa42b3861"`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking multitext v0.1.0 (https://github.com/blindley/multitext.git#dd84977f)
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:340:41
[INFO] [stderr]     |
[INFO] [stderr] 340 |             self.colormap[i].b = clamp!(self.network[i].b.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 |             self.colormap[i].g = clamp!(self.network[i].g.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:342:41
[INFO] [stderr]     |
[INFO] [stderr] 342 |             self.colormap[i].r = clamp!(self.network[i].r.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:343:41
[INFO] [stderr]     |
[INFO] [stderr] 343 |             self.colormap[i].a = clamp!(self.network[i].a.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `color_quant`.
[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" "3cab709d1e8208578df1957ea618491f1b8a083764e925096ae5fc3fa42b3861"`
[INFO] running `"docker" "rm" "-f" "3cab709d1e8208578df1957ea618491f1b8a083764e925096ae5fc3fa42b3861"`
[INFO] [stdout] 3cab709d1e8208578df1957ea618491f1b8a083764e925096ae5fc3fa42b3861