[INFO] cloning repository https://github.com/j-fro/team_allocator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-fro/team_allocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Fteam_allocator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Fteam_allocator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14355ccfc7da566cb4d442ab70bc1937d6b9d2d0
[INFO] checking j-fro/team_allocator against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Fteam_allocator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-fro/team_allocator on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j-fro/team_allocator
[INFO] finished tweaking git repo https://github.com/j-fro/team_allocator
[INFO] tweaked toml for git repo https://github.com/j-fro/team_allocator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/j-fro/team_allocator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 282d94a8ca9bf0eb9f038213f359dcd2f97c5b37c8ab187cdaefebff21647659
[INFO] running `Command { std: "docker" "start" "-a" "282d94a8ca9bf0eb9f038213f359dcd2f97c5b37c8ab187cdaefebff21647659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "282d94a8ca9bf0eb9f038213f359dcd2f97c5b37c8ab187cdaefebff21647659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282d94a8ca9bf0eb9f038213f359dcd2f97c5b37c8ab187cdaefebff21647659", kill_on_drop: false }`
[INFO] [stdout] 282d94a8ca9bf0eb9f038213f359dcd2f97c5b37c8ab187cdaefebff21647659
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3a8da53f91e7876f42ee8a8f5dfc5a4e98b6c3ef6458e13f4e956dd06666e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a3a8da53f91e7876f42ee8a8f5dfc5a4e98b6c3ef6458e13f4e956dd06666e7", kill_on_drop: false }`
[INFO] [stderr]     Checking team_randomizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `group_max`
[INFO] [stdout]  --> src/lib.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn allocate_teams<'a>(names: &'a Vec<&str>, group_max: usize) -> Vec<Vec<Vec<&'a str>>> {
[INFO] [stdout]   |                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_max`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group_max`
[INFO] [stdout]  --> src/lib.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn allocate_teams<'a>(names: &'a Vec<&str>, group_max: usize) -> Vec<Vec<Vec<&'a str>>> {
[INFO] [stdout]   |                                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_group_max`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "9a3a8da53f91e7876f42ee8a8f5dfc5a4e98b6c3ef6458e13f4e956dd06666e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3a8da53f91e7876f42ee8a8f5dfc5a4e98b6c3ef6458e13f4e956dd06666e7", kill_on_drop: false }`
[INFO] [stdout] 9a3a8da53f91e7876f42ee8a8f5dfc5a4e98b6c3ef6458e13f4e956dd06666e7