[INFO] updating cached repository https://github.com/wspeirs/map-test
[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] eaf509b9fe8cfc69214564d10a29f6e4f641d614
[INFO] checking wspeirs/map-test against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwspeirs%2Fmap-test" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wspeirs/map-test 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/wspeirs/map-test
[INFO] finished tweaking git repo https://github.com/wspeirs/map-test
[INFO] tweaked toml for git repo https://github.com/wspeirs/map-test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wspeirs/map-test 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d7b8c1295bc67b8d94a70a668f785d2b017f1fb5069ca656a5f7e3c00cf9f35d
[INFO] running `"docker" "start" "-a" "d7b8c1295bc67b8d94a70a668f785d2b017f1fb5069ca656a5f7e3c00cf9f35d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking skiplist v0.2.10
[INFO] [stderr]     Checking stable-skiplist v0.1.1
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skiplist-0.2.10/src/ordered_skiplist.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let levels = (capacity as f64).log2().floor() as usize;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stable-skiplist-0.1.1/src/ordered_skiplist.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let levels = (capacity as f64).log2().floor() as usize;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skiplist-0.2.10/src/skipmap.rs:171:22
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let levels = (capacity as f64).log2().floor() as usize;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skiplist-0.2.10/src/skiplist.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let levels = (capacity as f64).log2().floor() as usize;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stable-skiplist-0.1.1/src/skipmap.rs:168:22
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let levels = (capacity as f64).log2().floor() as usize;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `skiplist`.
[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[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stable-skiplist-0.1.1/src/skiplist.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let levels = (capacity as f64).log2().floor() as usize;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `stable-skiplist`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7b8c1295bc67b8d94a70a668f785d2b017f1fb5069ca656a5f7e3c00cf9f35d"`
[INFO] running `"docker" "rm" "-f" "d7b8c1295bc67b8d94a70a668f785d2b017f1fb5069ca656a5f7e3c00cf9f35d"`
[INFO] [stdout] d7b8c1295bc67b8d94a70a668f785d2b017f1fb5069ca656a5f7e3c00cf9f35d