[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#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[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 f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 674f2e061a0581195c36ebd9c2f2183e86207bfb58fdeb96c6127dc99a22723c
[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" "674f2e061a0581195c36ebd9c2f2183e86207bfb58fdeb96c6127dc99a22723c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674f2e061a0581195c36ebd9c2f2183e86207bfb58fdeb96c6127dc99a22723c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674f2e061a0581195c36ebd9c2f2183e86207bfb58fdeb96c6127dc99a22723c", kill_on_drop: false }`
[INFO] [stdout] 674f2e061a0581195c36ebd9c2f2183e86207bfb58fdeb96c6127dc99a22723c
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 3ee7c6e35963efa47c326817ca747122c1615ad26c198dd4ae23e1a5138d2571
[INFO] running `Command { std: "docker" "start" "-a" "3ee7c6e35963efa47c326817ca747122c1615ad26c198dd4ae23e1a5138d2571", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[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 5.24s
[INFO] running `Command { std: "docker" "inspect" "3ee7c6e35963efa47c326817ca747122c1615ad26c198dd4ae23e1a5138d2571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee7c6e35963efa47c326817ca747122c1615ad26c198dd4ae23e1a5138d2571", kill_on_drop: false }`
[INFO] [stdout] 3ee7c6e35963efa47c326817ca747122c1615ad26c198dd4ae23e1a5138d2571