[INFO] cloning repository https://github.com/manusandoval05/scientific-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manusandoval05/scientific-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanusandoval05%2Fscientific-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanusandoval05%2Fscientific-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a063dc9857847c71290fef3a27f6092edd1dd345
[INFO] checking manusandoval05/scientific-calculator against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanusandoval05%2Fscientific-calculator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/manusandoval05/scientific-calculator
[INFO] finished tweaking git repo https://github.com/manusandoval05/scientific-calculator
[INFO] tweaked toml for git repo https://github.com/manusandoval05/scientific-calculator written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manusandoval05/scientific-calculator on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/manusandoval05/scientific-calculator 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1342aed07dd8985eadf66d218d8b5608a95f3d2cf67b9b38dcdfe21a6670a13f
[INFO] running `Command { std: "docker" "start" "-a" "1342aed07dd8985eadf66d218d8b5608a95f3d2cf67b9b38dcdfe21a6670a13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1342aed07dd8985eadf66d218d8b5608a95f3d2cf67b9b38dcdfe21a6670a13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1342aed07dd8985eadf66d218d8b5608a95f3d2cf67b9b38dcdfe21a6670a13f", kill_on_drop: false }`
[INFO] [stdout] 1342aed07dd8985eadf66d218d8b5608a95f3d2cf67b9b38dcdfe21a6670a13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc971b567d58a6a4b6ffd18dc930ad8e44496bc632b9965040a6a929041b35cf
[INFO] running `Command { std: "docker" "start" "-a" "bc971b567d58a6a4b6ffd18dc930ad8e44496bc632b9965040a6a929041b35cf", kill_on_drop: false }`
[INFO] [stderr]     Checking scientific-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `expression` is never read
[INFO] [stdout]   --> src/calculator.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Parser{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 40 |     tokens: Vec<Token>, 
[INFO] [stdout] 41 |     expression: String, 
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expression` is never read
[INFO] [stdout]   --> src/calculator.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Parser{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 40 |     tokens: Vec<Token>, 
[INFO] [stdout] 41 |     expression: String, 
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "bc971b567d58a6a4b6ffd18dc930ad8e44496bc632b9965040a6a929041b35cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc971b567d58a6a4b6ffd18dc930ad8e44496bc632b9965040a6a929041b35cf", kill_on_drop: false }`
[INFO] [stdout] bc971b567d58a6a4b6ffd18dc930ad8e44496bc632b9965040a6a929041b35cf