[INFO] cloning repository https://github.com/Evilsmevil/RustStarter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Evilsmevil/RustStarter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvilsmevil%2FRustStarter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvilsmevil%2FRustStarter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c093a2c8b9d85d3c8814560507f33d99d66f95b
[INFO] checking Evilsmevil/RustStarter against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvilsmevil%2FRustStarter" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Evilsmevil/RustStarter on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a002e295f9c85398b3d69be1f84555ef62e22258bb213ad42b7135cd9141ca2
[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" "9a002e295f9c85398b3d69be1f84555ef62e22258bb213ad42b7135cd9141ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a002e295f9c85398b3d69be1f84555ef62e22258bb213ad42b7135cd9141ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a002e295f9c85398b3d69be1f84555ef62e22258bb213ad42b7135cd9141ca2", kill_on_drop: false }`
[INFO] [stdout] 9a002e295f9c85398b3d69be1f84555ef62e22258bb213ad42b7135cd9141ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cacf9a89f64fe032d9528eed2f20292fb5b17537c84cd510df8f886ccf4e25f1
[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" "cacf9a89f64fe032d9528eed2f20292fb5b17537c84cd510df8f886ccf4e25f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "cacf9a89f64fe032d9528eed2f20292fb5b17537c84cd510df8f886ccf4e25f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cacf9a89f64fe032d9528eed2f20292fb5b17537c84cd510df8f886ccf4e25f1", kill_on_drop: false }`
[INFO] [stdout] cacf9a89f64fe032d9528eed2f20292fb5b17537c84cd510df8f886ccf4e25f1