[INFO] updating cached repository j-fro/team_allocator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/j-fro/team_allocator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/j-fro/team_allocator" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/j-fro/team_allocator"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/j-fro/team_allocator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/j-fro/team_allocator" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/j-fro/team_allocator"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/j-fro/team_allocator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14355ccfc7da566cb4d442ab70bc1937d6b9d2d0
[INFO] sha for GitHub repo j-fro/team_allocator: 14355ccfc7da566cb4d442ab70bc1937d6b9d2d0
[INFO] validating manifest of j-fro/team_allocator on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of j-fro/team_allocator on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing j-fro/team_allocator
[INFO] finished frobbing j-fro/team_allocator
[INFO] frobbed toml for j-fro/team_allocator written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/j-fro/team_allocator/Cargo.toml
[INFO] started frobbing j-fro/team_allocator
[INFO] finished frobbing j-fro/team_allocator
[INFO] frobbed toml for j-fro/team_allocator written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/j-fro/team_allocator/Cargo.toml
[INFO] crate j-fro/team_allocator has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking j-fro/team_allocator against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-0/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/j-fro/team_allocator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 52be21aba78bfb9341df2cb0aab1adbd66f4f0883b74c3edeff2a4def63b7e7c
[INFO] running `"docker" "start" "-a" "52be21aba78bfb9341df2cb0aab1adbd66f4f0883b74c3edeff2a4def63b7e7c"`
[INFO] [stderr]     Checking team_randomizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `group_max`
[INFO] [stderr]  --> src/lib.rs:2:49
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn allocate_teams<'a>(names: &'a Vec<&str>, group_max: usize) -> Vec<Vec<Vec<&'a str>>> {
[INFO] [stderr]   |                                                 ^^^^^^^^^ help: consider using `_group_max` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `group_max`
[INFO] [stderr]  --> src/lib.rs:2:49
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn allocate_teams<'a>(names: &'a Vec<&str>, group_max: usize) -> Vec<Vec<Vec<&'a str>>> {
[INFO] [stderr]   |                                                 ^^^^^^^^^ help: consider using `_group_max` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "52be21aba78bfb9341df2cb0aab1adbd66f4f0883b74c3edeff2a4def63b7e7c"`
[INFO] running `"docker" "rm" "-f" "52be21aba78bfb9341df2cb0aab1adbd66f4f0883b74c3edeff2a4def63b7e7c"`
[INFO] [stdout] 52be21aba78bfb9341df2cb0aab1adbd66f4f0883b74c3edeff2a4def63b7e7c