[INFO] cloning repository https://github.com/SmiteWindows/small_vec2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SmiteWindows/small_vec2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmiteWindows%2Fsmall_vec2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmiteWindows%2Fsmall_vec2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9af1a2c0d9e7bc84f2cb504722933be3320c9e4
[INFO] checking SmiteWindows/small_vec2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmiteWindows%2Fsmall_vec2" "/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/SmiteWindows/small_vec2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SmiteWindows/small_vec2
[INFO] finished tweaking git repo https://github.com/SmiteWindows/small_vec2
[INFO] tweaked toml for git repo https://github.com/SmiteWindows/small_vec2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/SmiteWindows/small_vec2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d1c412cf79a3a77542ff2e2bafb2cc5f8a1ba580970778ad3a05cb8b7579e30
[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" "9d1c412cf79a3a77542ff2e2bafb2cc5f8a1ba580970778ad3a05cb8b7579e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1c412cf79a3a77542ff2e2bafb2cc5f8a1ba580970778ad3a05cb8b7579e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1c412cf79a3a77542ff2e2bafb2cc5f8a1ba580970778ad3a05cb8b7579e30", kill_on_drop: false }`
[INFO] [stdout] 9d1c412cf79a3a77542ff2e2bafb2cc5f8a1ba580970778ad3a05cb8b7579e30
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1e1c00e25eea937060c55032f40ee08a072a0cc810cc1ea3131a8f800a429729
[INFO] running `Command { std: "docker" "start" "-a" "1e1c00e25eea937060c55032f40ee08a072a0cc810cc1ea3131a8f800a429729", kill_on_drop: false }`
[INFO] [stderr]     Checking small_vec2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:921:5
[INFO] [stdout]     |
[INFO] [stdout] 921 |     &x[!0..];
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:928:5
[INFO] [stdout]     |
[INFO] [stdout] 928 |     &x[..6];
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:935:5
[INFO] [stdout]     |
[INFO] [stdout] 935 |     &x[!0..4];
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:942:5
[INFO] [stdout]     |
[INFO] [stdout] 942 |     &x[1..6];
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:949:5
[INFO] [stdout]     |
[INFO] [stdout] 949 |     &x[3..2];
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "1e1c00e25eea937060c55032f40ee08a072a0cc810cc1ea3131a8f800a429729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1c00e25eea937060c55032f40ee08a072a0cc810cc1ea3131a8f800a429729", kill_on_drop: false }`
[INFO] [stdout] 1e1c00e25eea937060c55032f40ee08a072a0cc810cc1ea3131a8f800a429729