[INFO] cloning repository https://github.com/LmfZoozle/Zlelang_Edition2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LmfZoozle/Zlelang_Edition2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLmfZoozle%2FZlelang_Edition2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLmfZoozle%2FZlelang_Edition2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64b7e2002970ea09b2472febd2279a85825ec2c3
[INFO] checking LmfZoozle/Zlelang_Edition2 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLmfZoozle%2FZlelang_Edition2" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LmfZoozle/Zlelang_Edition2 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LmfZoozle/Zlelang_Edition2
[INFO] finished tweaking git repo https://github.com/LmfZoozle/Zlelang_Edition2
[INFO] tweaked toml for git repo https://github.com/LmfZoozle/Zlelang_Edition2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/LmfZoozle/Zlelang_Edition2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39f2552e7ce1935a1e551d836d568d3a53f7f13c038fe45684590cedba2ca31e
[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" "39f2552e7ce1935a1e551d836d568d3a53f7f13c038fe45684590cedba2ca31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f2552e7ce1935a1e551d836d568d3a53f7f13c038fe45684590cedba2ca31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f2552e7ce1935a1e551d836d568d3a53f7f13c038fe45684590cedba2ca31e", kill_on_drop: false }`
[INFO] [stdout] 39f2552e7ce1935a1e551d836d568d3a53f7f13c038fe45684590cedba2ca31e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e5fba2e86fc9d975b4c8c6437b2c02602d196f6fb98690c73670b50c8d66d7
[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" "b2e5fba2e86fc9d975b4c8c6437b2c02602d196f6fb98690c73670b50c8d66d7", kill_on_drop: false }`
[INFO] [stderr]     Checking zoozle v0.1.4
[INFO] [stderr]     Checking Zle_Edition2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `source_code` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut source_code = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_source_code` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `source_code` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut source_code = String::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_source_code` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Lex.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut line: Vec<&str> = line.split_whitespace().collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/Lex.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut line: Vec<&str> = line.split_whitespace().collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "b2e5fba2e86fc9d975b4c8c6437b2c02602d196f6fb98690c73670b50c8d66d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e5fba2e86fc9d975b4c8c6437b2c02602d196f6fb98690c73670b50c8d66d7", kill_on_drop: false }`
[INFO] [stdout] b2e5fba2e86fc9d975b4c8c6437b2c02602d196f6fb98690c73670b50c8d66d7