[INFO] cloning repository https://github.com/thebe111/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thebe111/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebe111%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebe111%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82c88488e0df1b0d62b1bb30cd77e9816b34a338
[INFO] checking thebe111/interpreter against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebe111%2Finterpreter" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thebe111/interpreter on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thebe111/interpreter
[INFO] finished tweaking git repo https://github.com/thebe111/interpreter
[INFO] tweaked toml for git repo https://github.com/thebe111/interpreter written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thebe111/interpreter 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4687bf425a391883ee97982b69d198d78b7081036e482c1ead6415172b8546d7
[INFO] running `Command { std: "docker" "start" "-a" "4687bf425a391883ee97982b69d198d78b7081036e482c1ead6415172b8546d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4687bf425a391883ee97982b69d198d78b7081036e482c1ead6415172b8546d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4687bf425a391883ee97982b69d198d78b7081036e482c1ead6415172b8546d7", kill_on_drop: false }`
[INFO] [stdout] 4687bf425a391883ee97982b69d198d78b7081036e482c1ead6415172b8546d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ed348aa76331d999860afd6ec423d5baa057b346ac77905b7ad54066884275
[INFO] running `Command { std: "docker" "start" "-a" "89ed348aa76331d999860afd6ec423d5baa057b346ac77905b7ad54066884275", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.106
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `RwLock`, `mpsc`, and `thread`
[INFO] [stdout]  --> src/main.rs:3:72
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::HashMap, fs, path::Path, rc::Rc, cell::RefCell, thread, sync::{mpsc, Mutex, Arc, RwLock}};
[INFO] [stdout]   |                                                                        ^^^^^^         ^^^^  ^^^^^  ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `RwLock`, `mpsc`, and `thread`
[INFO] [stdout]  --> src/main.rs:3:72
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::HashMap, fs, path::Path, rc::Rc, cell::RefCell, thread, sync::{mpsc, Mutex, Arc, RwLock}};
[INFO] [stdout]   |                                                                        ^^^^^^         ^^^^  ^^^^^  ^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `location` are never read
[INFO] [stdout]    --> src/ast.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct File {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 140 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 141 |     pub expression: Term,
[INFO] [stdout] 142 |     pub location: Location,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `location` are never read
[INFO] [stdout]    --> src/ast.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct File {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 140 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 141 |     pub expression: Term,
[INFO] [stdout] 142 |     pub location: Location,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "89ed348aa76331d999860afd6ec423d5baa057b346ac77905b7ad54066884275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ed348aa76331d999860afd6ec423d5baa057b346ac77905b7ad54066884275", kill_on_drop: false }`
[INFO] [stdout] 89ed348aa76331d999860afd6ec423d5baa057b346ac77905b7ad54066884275