[INFO] cloning repository https://github.com/jedamzik/simple-interpreter-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jedamzik/simple-interpreter-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedamzik%2Fsimple-interpreter-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedamzik%2Fsimple-interpreter-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d65f22eb48269ad446dcbcba5c13f6046e768f5
[INFO] checking jedamzik/simple-interpreter-in-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedamzik%2Fsimple-interpreter-in-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jedamzik/simple-interpreter-in-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jedamzik/simple-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/jedamzik/simple-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/jedamzik/simple-interpreter-in-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jedamzik/simple-interpreter-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strcursor v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", 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] 62b33440707607bb321a36887d46ae1a322409e2206860f3efc52282d6da3a0d
[INFO] running `Command { std: "docker" "start" "-a" "62b33440707607bb321a36887d46ae1a322409e2206860f3efc52282d6da3a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b33440707607bb321a36887d46ae1a322409e2206860f3efc52282d6da3a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b33440707607bb321a36887d46ae1a322409e2206860f3efc52282d6da3a0d", kill_on_drop: false }`
[INFO] [stdout] 62b33440707607bb321a36887d46ae1a322409e2206860f3efc52282d6da3a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 8ad30f252bb3637fcd3c863e979797781b21a82b97371231a0921a606bb667c1
[INFO] running `Command { std: "docker" "start" "-a" "8ad30f252bb3637fcd3c863e979797781b21a82b97371231a0921a606bb667c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling strcursor v0.2.5
[INFO] [stderr]     Checking ast-interpreter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/mod.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |             _ => panic!(format!("Syntax Error: expected Integer or \"(\", found {}", token))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 54 |             _ => panic!("Syntax Error: expected Integer or \"(\", found {}", token)
[INFO] [stdout]    |                        --                                                        --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/interpreter/mod.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     _ => panic!(format!("AST Traversal Error: expected Operator, found {}.", node.token))
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     _ => panic!("AST Traversal Error: expected Operator, found {}.", node.token)
[INFO] [stdout]    |                                --                                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/interpreter/mod.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     _ => panic!(format!("AST Traversal Error: expected Number, found {}", node))
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     _ => panic!("AST Traversal Error: expected Number, found {}", node)
[INFO] [stdout]    |                                --                                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser/mod.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |             _ => panic!(format!("Syntax Error: expected Integer or \"(\", found {}", token))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 54 |             _ => panic!("Syntax Error: expected Integer or \"(\", found {}", token)
[INFO] [stdout]    |                        --                                                        --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/interpreter/mod.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     _ => panic!(format!("AST Traversal Error: expected Operator, found {}.", node.token))
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 16 |                     _ => panic!("AST Traversal Error: expected Operator, found {}.", node.token)
[INFO] [stdout]    |                                --                                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/interpreter/mod.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     _ => panic!(format!("AST Traversal Error: expected Number, found {}", node))
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     _ => panic!("AST Traversal Error: expected Number, found {}", node)
[INFO] [stdout]    |                                --                                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ad30f252bb3637fcd3c863e979797781b21a82b97371231a0921a606bb667c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad30f252bb3637fcd3c863e979797781b21a82b97371231a0921a606bb667c1", kill_on_drop: false }`
[INFO] [stdout] 8ad30f252bb3637fcd3c863e979797781b21a82b97371231a0921a606bb667c1