[INFO] cloning repository https://github.com/luis-nogoseke/RustyInterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luis-nogoseke/RustyInterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-nogoseke%2FRustyInterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-nogoseke%2FRustyInterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ed0ba5db7782bc51ddee3da11064f2f67ba6210
[INFO] checking luis-nogoseke/RustyInterpreter against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-nogoseke%2FRustyInterpreter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luis-nogoseke/RustyInterpreter on toolchain ed141926048597e3649bb238ca3dc417904cd56c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luis-nogoseke/RustyInterpreter
[INFO] finished tweaking git repo https://github.com/luis-nogoseke/RustyInterpreter
[INFO] tweaked toml for git repo https://github.com/luis-nogoseke/RustyInterpreter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luis-nogoseke/RustyInterpreter 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" "+ed141926048597e3649bb238ca3dc417904cd56c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5884894e69635d5de7ca2f50344535d72c8340cee695202b0cb884f4cb87587a
[INFO] running `Command { std: "docker" "start" "-a" "5884894e69635d5de7ca2f50344535d72c8340cee695202b0cb884f4cb87587a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5884894e69635d5de7ca2f50344535d72c8340cee695202b0cb884f4cb87587a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5884894e69635d5de7ca2f50344535d72c8340cee695202b0cb884f4cb87587a", kill_on_drop: false }`
[INFO] [stdout] 5884894e69635d5de7ca2f50344535d72c8340cee695202b0cb884f4cb87587a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e88b148524babdafeb468108f88778fbf1c8466212a55279fe0b5227ad9a681
[INFO] running `Command { std: "docker" "start" "-a" "6e88b148524babdafeb468108f88778fbf1c8466212a55279fe0b5227ad9a681", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking RustInterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EOF`
[INFO] [stdout]  --> src/parser.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     token::{self, EOF},
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EOF` and `Statement`
[INFO] [stdout]  --> src/parser.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ast::{self, Statement},
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 3 |     lexer,
[INFO] [stdout] 4 |     token::{self, EOF},
[INFO] [stdout]   |                   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NodeInt` is never used
[INFO] [stdout]  --> src/ast.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait NodeInt {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Expression {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/ast.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `token_literal` and `expression_node` are never used
[INFO] [stdout]   --> src/ast.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Identifier {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 27 |     fn token_literal(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn expression_node() {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NodeInt` is never used
[INFO] [stdout]  --> src/ast.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait NodeInt {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Expression {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/ast.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `token_literal` and `expression_node` are never used
[INFO] [stdout]   --> src/ast.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Identifier {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 27 |     fn token_literal(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn expression_node() {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/repl.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         io::stdin().read_line(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = io::stdin().read_line(&mut buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Type` should have a snake case name
[INFO] [stdout]  --> src/token.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub Type: TokenType,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub r#type: TokenType,
[INFO] [stdout]   |         ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Literal` should have a snake case name
[INFO] [stdout]   --> src/token.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub Literal: String,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/repl.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         io::stdin().read_line(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = io::stdin().read_line(&mut buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Type` should have a snake case name
[INFO] [stdout]  --> src/token.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub Type: TokenType,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub r#type: TokenType,
[INFO] [stdout]   |         ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Literal` should have a snake case name
[INFO] [stdout]   --> src/token.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub Literal: String,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "6e88b148524babdafeb468108f88778fbf1c8466212a55279fe0b5227ad9a681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e88b148524babdafeb468108f88778fbf1c8466212a55279fe0b5227ad9a681", kill_on_drop: false }`
[INFO] [stdout] 6e88b148524babdafeb468108f88778fbf1c8466212a55279fe0b5227ad9a681