[INFO] cloning repository https://github.com/Abhinesh612/tik-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abhinesh612/tik-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinesh612%2Ftik-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinesh612%2Ftik-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d22f490660190f0e2fa67b46e2ec21c1e8559b3
[INFO] checking Abhinesh612/tik-lang against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinesh612%2Ftik-lang" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Abhinesh612/tik-lang
[INFO] finished tweaking git repo https://github.com/Abhinesh612/tik-lang
[INFO] tweaked toml for git repo https://github.com/Abhinesh612/tik-lang written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abhinesh612/tik-lang on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Abhinesh612/tik-lang 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f8cc672a3c876de0169dbe59205d5735ff21d5a952b01efbac71a4a4f145140
[INFO] running `Command { std: "docker" "start" "-a" "2f8cc672a3c876de0169dbe59205d5735ff21d5a952b01efbac71a4a4f145140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f8cc672a3c876de0169dbe59205d5735ff21d5a952b01efbac71a4a4f145140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8cc672a3c876de0169dbe59205d5735ff21d5a952b01efbac71a4a4f145140", kill_on_drop: false }`
[INFO] [stdout] 2f8cc672a3c876de0169dbe59205d5735ff21d5a952b01efbac71a4a4f145140
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a4c961ccc91f43e9257a0dce6a8c05af4f437dbb695764888183ba2d601e991
[INFO] running `Command { std: "docker" "start" "-a" "8a4c961ccc91f43e9257a0dce6a8c05af4f437dbb695764888183ba2d601e991", kill_on_drop: false }`
[INFO] [stderr]     Checking tik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Tik`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Tik;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use expr::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `astprinter::*`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use astprinter::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use token::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let  mut tik = Tik::new();
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `runtime_error` is never used
[INFO] [stdout]   --> src/error.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TikError {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn runtime_error(token: Token, message: String) -> TikError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]  --> src/astprinter.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AstPrinter;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `parenthesize` are never used
[INFO] [stdout]   --> src/astprinter.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl AstPrinter {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout]  7 |     pub fn print(&self, expr: &Expr) -> Result<String, TikError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn parenthesize(&self, name: &String, exprs: &[&Box<Expr>]) -> Result<String, TikError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Tik`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Tik;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use expr::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `astprinter::*`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use astprinter::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use token::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let  mut tik = Tik::new();
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `runtime_error` is never used
[INFO] [stdout]   --> src/error.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TikError {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn runtime_error(token: Token, message: String) -> TikError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]  --> src/astprinter.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AstPrinter;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `parenthesize` are never used
[INFO] [stdout]   --> src/astprinter.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl AstPrinter {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout]  7 |     pub fn print(&self, expr: &Expr) -> Result<String, TikError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn parenthesize(&self, name: &String, exprs: &[&Box<Expr>]) -> Result<String, TikError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8a4c961ccc91f43e9257a0dce6a8c05af4f437dbb695764888183ba2d601e991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4c961ccc91f43e9257a0dce6a8c05af4f437dbb695764888183ba2d601e991", kill_on_drop: false }`
[INFO] [stdout] 8a4c961ccc91f43e9257a0dce6a8c05af4f437dbb695764888183ba2d601e991
