[INFO] cloning repository https://github.com/SamirShef/cherry-script
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamirShef/cherry-script" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamirShef%2Fcherry-script", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamirShef%2Fcherry-script'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a3288f58184174ff4d6a600e630543fa35aa76a
[INFO] checking SamirShef/cherry-script against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamirShef%2Fcherry-script" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SamirShef/cherry-script
[INFO] finished tweaking git repo https://github.com/SamirShef/cherry-script
[INFO] tweaked toml for git repo https://github.com/SamirShef/cherry-script written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SamirShef/cherry-script on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SamirShef/cherry-script 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8707df489c9b34ebd3f051f836b3b39936282d1aa8b9e05f434d9e419d3d2263
[INFO] running `Command { std: "docker" "start" "-a" "8707df489c9b34ebd3f051f836b3b39936282d1aa8b9e05f434d9e419d3d2263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8707df489c9b34ebd3f051f836b3b39936282d1aa8b9e05f434d9e419d3d2263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8707df489c9b34ebd3f051f836b3b39936282d1aa8b9e05f434d9e419d3d2263", kill_on_drop: false }`
[INFO] [stdout] 8707df489c9b34ebd3f051f836b3b39936282d1aa8b9e05f434d9e419d3d2263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ee7ab8ce2c0d46aea0aafd352c904365f85272649ddfb7eb15888ce79b1f8e
[INFO] running `Command { std: "docker" "start" "-a" "a2ee7ab8ce2c0d46aea0aafd352c904365f85272649ddfb7eb15888ce79b1f8e", kill_on_drop: false }`
[INFO] [stderr]     Checking cherry-script v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/compiler/lexer/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |         if (has_dot) {
[INFO] [stdout]    |            ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -         if (has_dot) {
[INFO] [stdout] 76 +         if has_dot  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VM`, `chunk::Chunk`, `opcodes::OpCode`, and `stack_slot::StackSlot`
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     VM,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     opcodes::OpCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     chunk::Chunk,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     stack_slot::StackSlot
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if (args.len() != 2) {
[INFO] [stdout]    |        ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -     if (args.len() != 2) {
[INFO] [stdout] 17 +     if args.len() != 2  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/compiler/lexer/mod.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |         if (has_dot) {
[INFO] [stdout]    |            ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -         if (has_dot) {
[INFO] [stdout] 76 +         if has_dot  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VM`, `chunk::Chunk`, `opcodes::OpCode`, and `stack_slot::StackSlot`
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     VM,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     opcodes::OpCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     chunk::Chunk,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     stack_slot::StackSlot
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if (args.len() != 2) {
[INFO] [stdout]    |        ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -     if (args.len() != 2) {
[INFO] [stdout] 17 +     if args.len() != 2  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/compiler/parser/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn generate_var_def(&mut self, loc: Location) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/compiler/parser/mod.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn generate_local_var(&mut self, name: String) {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]   --> src/compiler/parser/mod.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         while let tok = self.peek(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]    = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/compiler/parser/mod.rs:107:15
[INFO] [stdout]     |
[INFO] [stdout] 107 |         while let tok = self.peek(0) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/compiler/parser/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn generate_var_def(&mut self, loc: Location) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/compiler/parser/mod.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn generate_local_var(&mut self, name: String) {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]   --> src/compiler/parser/mod.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         while let tok = self.peek(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]    = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/compiler/parser/mod.rs:107:15
[INFO] [stdout]     |
[INFO] [stdout] 107 |         while let tok = self.peek(0) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "a2ee7ab8ce2c0d46aea0aafd352c904365f85272649ddfb7eb15888ce79b1f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ee7ab8ce2c0d46aea0aafd352c904365f85272649ddfb7eb15888ce79b1f8e", kill_on_drop: false }`
[INFO] [stdout] a2ee7ab8ce2c0d46aea0aafd352c904365f85272649ddfb7eb15888ce79b1f8e
