[INFO] cloning repository https://github.com/ToRainu256/r9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToRainu256/r9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToRainu256%2Fr9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToRainu256%2Fr9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4097411fa52657f5081817589870fa865609955a
[INFO] checking ToRainu256/r9cc against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToRainu256%2Fr9cc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ToRainu256/r9cc 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/ToRainu256/r9cc
[INFO] finished tweaking git repo https://github.com/ToRainu256/r9cc
[INFO] tweaked toml for git repo https://github.com/ToRainu256/r9cc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ToRainu256/r9cc 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1fac7f742898886a5eadbf74661b354b0495de1de453c6bb3bb0bb00d02fd3d9
[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" "1fac7f742898886a5eadbf74661b354b0495de1de453c6bb3bb0bb00d02fd3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fac7f742898886a5eadbf74661b354b0495de1de453c6bb3bb0bb00d02fd3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fac7f742898886a5eadbf74661b354b0495de1de453c6bb3bb0bb00d02fd3d9", kill_on_drop: false }`
[INFO] [stdout] 1fac7f742898886a5eadbf74661b354b0495de1de453c6bb3bb0bb00d02fd3d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] b0ba704621c00aa64950390a68ef4d3d21e28b048ab52d01d84c08d5cfea5eec
[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" "b0ba704621c00aa64950390a68ef4d3d21e28b048ab52d01d84c08d5cfea5eec", kill_on_drop: false }`
[INFO] [stderr]     Checking r9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NodeType`
[INFO] [stdout]   --> src/main.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum NodeType {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |    fn new(ty: i32, lhs: Box<Node>, rhs: Box<Node>)-> Self {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_num`
[INFO] [stdout]   --> src/main.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |    fn new_num(val: i32)-> Self {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/main.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 |    fn consume(tokens: &Vec<Token>, pos: usize) -> bool {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NodeType`
[INFO] [stdout]   --> src/main.rs:63:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | enum NodeType {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |    fn new(ty: i32, lhs: Box<Node>, rhs: Box<Node>)-> Self {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_num`
[INFO] [stdout]   --> src/main.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |    fn new_num(val: i32)-> Self {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/main.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 |    fn consume(tokens: &Vec<Token>, pos: usize) -> bool {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "b0ba704621c00aa64950390a68ef4d3d21e28b048ab52d01d84c08d5cfea5eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ba704621c00aa64950390a68ef4d3d21e28b048ab52d01d84c08d5cfea5eec", kill_on_drop: false }`
[INFO] [stdout] b0ba704621c00aa64950390a68ef4d3d21e28b048ab52d01d84c08d5cfea5eec