[INFO] cloning repository https://github.com/masan4444/rs_9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masan4444/rs_9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasan4444%2Frs_9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasan4444%2Frs_9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c8e436da56daa3aed54a586aa308d3bd31cbea9
[INFO] checking masan4444/rs_9cc against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasan4444%2Frs_9cc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masan4444/rs_9cc on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masan4444/rs_9cc
[INFO] finished tweaking git repo https://github.com/masan4444/rs_9cc
[INFO] tweaked toml for git repo https://github.com/masan4444/rs_9cc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/masan4444/rs_9cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e4ba253decaad262193bbd5f0cb74a15a19784d0421f1698acffe6fa980906d
[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" "5e4ba253decaad262193bbd5f0cb74a15a19784d0421f1698acffe6fa980906d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4ba253decaad262193bbd5f0cb74a15a19784d0421f1698acffe6fa980906d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4ba253decaad262193bbd5f0cb74a15a19784d0421f1698acffe6fa980906d", kill_on_drop: false }`
[INFO] [stdout] 5e4ba253decaad262193bbd5f0cb74a15a19784d0421f1698acffe6fa980906d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 787e9798735593a5df101a00f21adf9df37023b33b3beadce2161c8a62769a97
[INFO] running `Command { std: "docker" "start" "-a" "787e9798735593a5df101a00f21adf9df37023b33b3beadce2161c8a62769a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking rs_9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `pos_then_inc`
[INFO] [stdout]    --> src/lexer.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn pos_then_inc(&mut self) -> usize {
[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: `consume_byte`
[INFO] [stdout]    --> src/lexer.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn consume_byte(&mut self, want: u8) -> Result<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos_then_inc`
[INFO] [stdout]    --> src/lexer.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn pos_then_inc(&mut self) -> usize {
[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: `consume_byte`
[INFO] [stdout]    --> src/lexer.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn consume_byte(&mut self, want: u8) -> Result<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[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 4.31s
[INFO] running `Command { std: "docker" "inspect" "787e9798735593a5df101a00f21adf9df37023b33b3beadce2161c8a62769a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787e9798735593a5df101a00f21adf9df37023b33b3beadce2161c8a62769a97", kill_on_drop: false }`
[INFO] [stdout] 787e9798735593a5df101a00f21adf9df37023b33b3beadce2161c8a62769a97