[INFO] cloning repository https://github.com/realRayyy/my-mini-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realRayyy/my-mini-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealRayyy%2Fmy-mini-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealRayyy%2Fmy-mini-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b61ed4804d6192f28ee6c541cc5bd5d2290726a9
[INFO] checking realRayyy/my-mini-c against master#f25e92bd42b14e45440c0a30a4ed751ea502f430 for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealRayyy%2Fmy-mini-c" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realRayyy/my-mini-c on toolchain f25e92bd42b14e45440c0a30a4ed751ea502f430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/realRayyy/my-mini-c
[INFO] finished tweaking git repo https://github.com/realRayyy/my-mini-c
[INFO] tweaked toml for git repo https://github.com/realRayyy/my-mini-c written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/realRayyy/my-mini-c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c54833b2232b33e73776b66f809064f95b170634092d77d919057b23bc196d2
[INFO] running `Command { std: "docker" "start" "-a" "7c54833b2232b33e73776b66f809064f95b170634092d77d919057b23bc196d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c54833b2232b33e73776b66f809064f95b170634092d77d919057b23bc196d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c54833b2232b33e73776b66f809064f95b170634092d77d919057b23bc196d2", kill_on_drop: false }`
[INFO] [stdout] 7c54833b2232b33e73776b66f809064f95b170634092d77d919057b23bc196d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3310b2a383314a58767f2b8e237aa27dc7b82a933c2850de1516c73a37543b19
[INFO] running `Command { std: "docker" "start" "-a" "3310b2a383314a58767f2b8e237aa27dc7b82a933c2850de1516c73a37543b19", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/mini_c-d2b5a204c7ebb590`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "3310b2a383314a58767f2b8e237aa27dc7b82a933c2850de1516c73a37543b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3310b2a383314a58767f2b8e237aa27dc7b82a933c2850de1516c73a37543b19", kill_on_drop: false }`
[INFO] [stdout] 3310b2a383314a58767f2b8e237aa27dc7b82a933c2850de1516c73a37543b19
[INFO] checking realRayyy/my-mini-c against try#81417ccfba1b50f064bed768ddab670f5bbfdcfe for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrealRayyy%2Fmy-mini-c" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/realRayyy/my-mini-c on toolchain 81417ccfba1b50f064bed768ddab670f5bbfdcfe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/realRayyy/my-mini-c
[INFO] finished tweaking git repo https://github.com/realRayyy/my-mini-c
[INFO] tweaked toml for git repo https://github.com/realRayyy/my-mini-c written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/realRayyy/my-mini-c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe29f507008768a644df65884fe20ffa4f44540bd2d34a6661cf53017f11645
[INFO] running `Command { std: "docker" "start" "-a" "6fe29f507008768a644df65884fe20ffa4f44540bd2d34a6661cf53017f11645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe29f507008768a644df65884fe20ffa4f44540bd2d34a6661cf53017f11645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe29f507008768a644df65884fe20ffa4f44540bd2d34a6661cf53017f11645", kill_on_drop: false }`
[INFO] [stdout] 6fe29f507008768a644df65884fe20ffa4f44540bd2d34a6661cf53017f11645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ebf067104a37a98367ccd0bc3756a6dfb5d08a13f66201115d35c60ac3686f6
[INFO] running `Command { std: "docker" "start" "-a" "2ebf067104a37a98367ccd0bc3756a6dfb5d08a13f66201115d35c60ac3686f6", kill_on_drop: false }`
[INFO] [stderr]     Checking mini_c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ast_node`
[INFO] [stdout]   --> src/parser/parser.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn type_token(&mut self, ast_node: &Rc<AstNode>) {
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast_node`
[INFO] [stdout]   --> src/parser/parser.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn type_token(&mut self, ast_node: &Rc<AstNode>) {
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast_type` is never read
[INFO] [stdout]  --> src/parser/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AstNode {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     ast_type: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ast_type` is never read
[INFO] [stdout]  --> src/parser/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AstNode {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     ast_type: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "2ebf067104a37a98367ccd0bc3756a6dfb5d08a13f66201115d35c60ac3686f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebf067104a37a98367ccd0bc3756a6dfb5d08a13f66201115d35c60ac3686f6", kill_on_drop: false }`
[INFO] [stdout] 2ebf067104a37a98367ccd0bc3756a6dfb5d08a13f66201115d35c60ac3686f6