[INFO] cloning repository https://github.com/tautologico/minicalc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tautologico/minicalc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftautologico%2Fminicalc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftautologico%2Fminicalc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64a6f9a6a2111f5bb9f9706917937e5829da1578
[INFO] checking tautologico/minicalc-rs against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftautologico%2Fminicalc-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tautologico/minicalc-rs
[INFO] finished tweaking git repo https://github.com/tautologico/minicalc-rs
[INFO] tweaked toml for git repo https://github.com/tautologico/minicalc-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tautologico/minicalc-rs on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tautologico/minicalc-rs 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--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-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9bf96e14b41deb331860fec6e196e41d6311e1785767b761207119f552c83a
[INFO] running `Command { std: "docker" "start" "-a" "ac9bf96e14b41deb331860fec6e196e41d6311e1785767b761207119f552c83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9bf96e14b41deb331860fec6e196e41d6311e1785767b761207119f552c83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9bf96e14b41deb331860fec6e196e41d6311e1785767b761207119f552c83a", kill_on_drop: false }`
[INFO] [stdout] ac9bf96e14b41deb331860fec6e196e41d6311e1785767b761207119f552c83a
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28b5d5b539d31c6d85382749b7dc418e3b253f518fee361798e40f53d8dea243
[INFO] running `Command { std: "docker" "start" "-a" "28b5d5b539d31c6d85382749b7dc418e3b253f518fee361798e40f53d8dea243", kill_on_drop: false }`
[INFO] [stderr]     Checking minicalc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `teste_aval_exp_dois_operadores` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn teste_aval_exp_dois_operadores() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entrada` is never read
[INFO] [stdout]   --> src/lexer.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Buffer {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 29 |     entrada: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `teste_aval_exp_dois_operadores` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn teste_aval_exp_dois_operadores() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entrada` is never read
[INFO] [stdout]   --> src/lexer.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Buffer {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 29 |     entrada: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "28b5d5b539d31c6d85382749b7dc418e3b253f518fee361798e40f53d8dea243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b5d5b539d31c6d85382749b7dc418e3b253f518fee361798e40f53d8dea243", kill_on_drop: false }`
[INFO] [stdout] 28b5d5b539d31c6d85382749b7dc418e3b253f518fee361798e40f53d8dea243