[INFO] cloning repository https://github.com/Kayren/wardice
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kayren/wardice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayren%2Fwardice"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayren%2Fwardice'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd508fded023a13006b6710c278566b01819a2a8
[INFO] checking Kayren/wardice against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayren%2Fwardice" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kayren/wardice 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/Kayren/wardice
[INFO] finished tweaking git repo https://github.com/Kayren/wardice
[INFO] tweaked toml for git repo https://github.com/Kayren/wardice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kayren/wardice 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b68c16f07e4cae22edb09eb50f1be8634a0f58130d8202b20147f810054dafeb
[INFO] running `"docker" "start" "-a" "b68c16f07e4cae22edb09eb50f1be8634a0f58130d8202b20147f810054dafeb"`
[INFO] [stderr]    Compiling serde_derive v1.0.72
[INFO] [stderr]     Checking wardice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/lib.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     rolls.clone().into_iter().map(|r| reroll_dice(&mut rerolls, r)).collect::<()>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/lib.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     rolls.clone().into_iter().map(|r| reroll_dice(&mut rerolls, r)).collect::<()>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.90s
[INFO] running `"docker" "inspect" "b68c16f07e4cae22edb09eb50f1be8634a0f58130d8202b20147f810054dafeb"`
[INFO] running `"docker" "rm" "-f" "b68c16f07e4cae22edb09eb50f1be8634a0f58130d8202b20147f810054dafeb"`
[INFO] [stdout] b68c16f07e4cae22edb09eb50f1be8634a0f58130d8202b20147f810054dafeb