[INFO] updating cached repository https://github.com/Evilsmevil/RustStarter
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c093a2c8b9d85d3c8814560507f33d99d66f95b
[INFO] checking Evilsmevil/RustStarter against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvilsmevil%2FRustStarter" "/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/Evilsmevil/RustStarter on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Evilsmevil/RustStarter
[INFO] finished tweaking git repo https://github.com/Evilsmevil/RustStarter
[INFO] tweaked toml for git repo https://github.com/Evilsmevil/RustStarter written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Evilsmevil/RustStarter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91f7138675276a56860d6cab59fa9193f83585f86ff24196b0ca34882c38d184
[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" "91f7138675276a56860d6cab59fa9193f83585f86ff24196b0ca34882c38d184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f7138675276a56860d6cab59fa9193f83585f86ff24196b0ca34882c38d184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f7138675276a56860d6cab59fa9193f83585f86ff24196b0ca34882c38d184", kill_on_drop: false }`
[INFO] [stdout] 91f7138675276a56860d6cab59fa9193f83585f86ff24196b0ca34882c38d184
[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" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b602e08abcf15e9a44c4b6af620aec8b518b1491922303be6857b3baee85f7f
[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" "9b602e08abcf15e9a44c4b6af620aec8b518b1491922303be6857b3baee85f7f", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `headTail` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let(mut head_head, mut headTail) = head.split_at_mut(length/2);
[INFO] [stdout]    |                            ^^^^^^^^ help: convert the identifier to snake case: `head_tail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tailHead` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let(mut tailHead, mut tailTail) = tail.split_at_mut(length/2);
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `tail_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tailTail` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let(mut tailHead, mut tailTail) = tail.split_at_mut(length/2);
[INFO] [stdout]    |                           ^^^^^^^^ help: convert the identifier to snake case: `tail_tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `headTail` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let(mut head_head, mut headTail) = head.split_at_mut(length/2);
[INFO] [stdout]    |                            ^^^^^^^^ help: convert the identifier to snake case: `head_tail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tailHead` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let(mut tailHead, mut tailTail) = tail.split_at_mut(length/2);
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `tail_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tailTail` should have a snake case name
[INFO] [stdout]   --> src/main.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let(mut tailHead, mut tailTail) = tail.split_at_mut(length/2);
[INFO] [stdout]    |                           ^^^^^^^^ help: convert the identifier to snake case: `tail_tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "9b602e08abcf15e9a44c4b6af620aec8b518b1491922303be6857b3baee85f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b602e08abcf15e9a44c4b6af620aec8b518b1491922303be6857b3baee85f7f", kill_on_drop: false }`
[INFO] [stdout] 9b602e08abcf15e9a44c4b6af620aec8b518b1491922303be6857b3baee85f7f