[INFO] cloning repository https://github.com/romanchechyotkin/compiler-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/romanchechyotkin/compiler-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanchechyotkin%2Fcompiler-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanchechyotkin%2Fcompiler-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed3f5b819f5e7e2c821abad7c16e1346f7bcc533
[INFO] checking romanchechyotkin/compiler-in-rust against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanchechyotkin%2Fcompiler-in-rust" "/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/romanchechyotkin/compiler-in-rust
[INFO] finished tweaking git repo https://github.com/romanchechyotkin/compiler-in-rust
[INFO] tweaked toml for git repo https://github.com/romanchechyotkin/compiler-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/romanchechyotkin/compiler-in-rust on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/romanchechyotkin/compiler-in-rust 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc2/source/src/lib.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `compiler_in_rust`
[INFO] [stderr]   * `bin` target `lib`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85711a5e17701dd9f975ea2e830e54b8df51d2463483c8d13c3c0641ab022e25
[INFO] running `Command { std: "docker" "start" "-a" "85711a5e17701dd9f975ea2e830e54b8df51d2463483c8d13c3c0641ab022e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85711a5e17701dd9f975ea2e830e54b8df51d2463483c8d13c3c0641ab022e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85711a5e17701dd9f975ea2e830e54b8df51d2463483c8d13c3c0641ab022e25", kill_on_drop: false }`
[INFO] [stdout] 85711a5e17701dd9f975ea2e830e54b8df51d2463483c8d13c3c0641ab022e25
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8422795b287d2ca633dccf37d24f201aa3d5769e5b0c2d97214b412140935e
[INFO] running `Command { std: "docker" "start" "-a" "3c8422795b287d2ca633dccf37d24f201aa3d5769e5b0c2d97214b412140935e", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/lib.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `compiler_in_rust`
[INFO] [stderr]   * `bin` target `lib`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking jni v0.21.1
[INFO] [stderr]     Checking compiler_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ident`
[INFO] [stdout]  --> src/generator/generator.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::ast::{Expr, Literal, Stmt, Ident};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ident`
[INFO] [stdout]  --> src/generator/generator.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::ast::{Expr, Literal, Stmt, Ident};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ident`
[INFO] [stdout]  --> src/generator/generator.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::ast::{Expr, Literal, Stmt, Ident};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ident`
[INFO] [stdout]  --> src/generator/generator.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ast::ast::{Expr, Literal, Stmt, Ident};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/repl/repl.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut ins = generator.generate_code(stmt);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/repl/repl.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut ins = generator.generate_code(stmt);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "3c8422795b287d2ca633dccf37d24f201aa3d5769e5b0c2d97214b412140935e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8422795b287d2ca633dccf37d24f201aa3d5769e5b0c2d97214b412140935e", kill_on_drop: false }`
[INFO] [stdout] 3c8422795b287d2ca633dccf37d24f201aa3d5769e5b0c2d97214b412140935e