[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#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanchechyotkin%2Fcompiler-in-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/romanchechyotkin/compiler-in-rust on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-6-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] [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 432e1a65e32206f5c3d8d1e3c45d45cc0cda4bc02f0e2cb9323e8cad9a6e3440
[INFO] running `Command { std: "docker" "start" "-a" "432e1a65e32206f5c3d8d1e3c45d45cc0cda4bc02f0e2cb9323e8cad9a6e3440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "432e1a65e32206f5c3d8d1e3c45d45cc0cda4bc02f0e2cb9323e8cad9a6e3440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432e1a65e32206f5c3d8d1e3c45d45cc0cda4bc02f0e2cb9323e8cad9a6e3440", kill_on_drop: false }`
[INFO] [stdout] 432e1a65e32206f5c3d8d1e3c45d45cc0cda4bc02f0e2cb9323e8cad9a6e3440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a79c67b218f7fee0a16c7e7718e39bacf69f509c2399fbdec1bf75a9e4dbd0e9
[INFO] running `Command { std: "docker" "start" "-a" "a79c67b218f7fee0a16c7e7718e39bacf69f509c2399fbdec1bf75a9e4dbd0e9", 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]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "a79c67b218f7fee0a16c7e7718e39bacf69f509c2399fbdec1bf75a9e4dbd0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79c67b218f7fee0a16c7e7718e39bacf69f509c2399fbdec1bf75a9e4dbd0e9", kill_on_drop: false }`
[INFO] [stdout] a79c67b218f7fee0a16c7e7718e39bacf69f509c2399fbdec1bf75a9e4dbd0e9
