[INFO] cloning repository https://github.com/scruffystuffs/ttgen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scruffystuffs/ttgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscruffystuffs%2Fttgen"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscruffystuffs%2Fttgen'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68b8a5b7c7bedf629077c9a25e506b9b9ab0b3d7
[INFO] checking scruffystuffs/ttgen against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscruffystuffs%2Fttgen" "/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/scruffystuffs/ttgen 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/scruffystuffs/ttgen
[INFO] finished tweaking git repo https://github.com/scruffystuffs/ttgen
[INFO] tweaked toml for git repo https://github.com/scruffystuffs/ttgen written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/scruffystuffs/ttgen 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]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v0.2.1
[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" "+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] 5b4583d3bbe948581252e02ebf64024973beefeefceb17aeb924f2feb577fcfb
[INFO] running `"docker" "start" "-a" "5b4583d3bbe948581252e02ebf64024973beefeefceb17aeb924f2feb577fcfb"`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.10.0/build/main.rs:80:23
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let first2: u32 = (highest as f64).log(2.0) as u32 + 1;
[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/typenum-1.10.0/build/main.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let first10: u32 = (highest as f64).log(10.0) as u32 + 1;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[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 `typenum`.
[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" "5b4583d3bbe948581252e02ebf64024973beefeefceb17aeb924f2feb577fcfb"`
[INFO] running `"docker" "rm" "-f" "5b4583d3bbe948581252e02ebf64024973beefeefceb17aeb924f2feb577fcfb"`
[INFO] [stdout] 5b4583d3bbe948581252e02ebf64024973beefeefceb17aeb924f2feb577fcfb