[INFO] fetching crate netter_core 0.1.3...
[INFO] building netter_core-0.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate netter_core 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate netter_core 0.1.3
[INFO] finished tweaking crates.io crate netter_core 0.1.3
[INFO] tweaked toml for crates.io crate netter_core 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netter_core 0.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate netter_core 0.1.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 5fdd9d5626492a10d949a1c8d9a337d14fac46ef5bcd889be6a4c524238cb50c
[INFO] running `Command { std: "docker" "start" "-a" "5fdd9d5626492a10d949a1c8d9a337d14fac46ef5bcd889be6a4c524238cb50c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling netter_core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/language/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::E;
[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: `Lexer`
[INFO] [stdout]  --> src/language/interpreter.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::language::lexer::{AstNode, Lexer};
[INFO] [stdout]   |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/language/interpreter.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::language::operators::{Token, TokenType};
[INFO] [stdout]   |                                  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/language/interpreter.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]   --> src/language/interpreter.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ffi::{CStr, CString};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_operator`
[INFO] [stdout]    --> src/language/parser.rs:593:64
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let AstNode::FunctionCall { object, name, args, try_operator, unwrap_operator } = &expr {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^ help: try ignoring the field: `try_operator: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_operator`
[INFO] [stdout]    --> src/language/parser.rs:593:78
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let AstNode::FunctionCall { object, name, args, try_operator, unwrap_operator } = &expr {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^ help: try ignoring the field: `unwrap_operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/language/interpreter.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut temp_statements: Vec<Box<AstNode>>;
[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 1m 27s
[INFO] running `Command { std: "docker" "inspect" "5fdd9d5626492a10d949a1c8d9a337d14fac46ef5bcd889be6a4c524238cb50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdd9d5626492a10d949a1c8d9a337d14fac46ef5bcd889be6a4c524238cb50c", kill_on_drop: false }`
[INFO] [stdout] 5fdd9d5626492a10d949a1c8d9a337d14fac46ef5bcd889be6a4c524238cb50c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56350c03027a69f98bd07f3e96f2cb82b5cb65d4a18dc0fa31ac31dcb35a61be
[INFO] running `Command { std: "docker" "start" "-a" "56350c03027a69f98bd07f3e96f2cb82b5cb65d4a18dc0fa31ac31dcb35a61be", kill_on_drop: false }`
[INFO] [stderr]    Compiling netter_core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::E`
[INFO] [stdout]  --> src/language/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::E;
[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: `Lexer`
[INFO] [stdout]  --> src/language/interpreter.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::language::lexer::{AstNode, Lexer};
[INFO] [stdout]   |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/language/interpreter.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::language::operators::{Token, TokenType};
[INFO] [stdout]   |                                  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/language/interpreter.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]   --> src/language/interpreter.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ffi::{CStr, CString};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_operator`
[INFO] [stdout]    --> src/language/parser.rs:593:64
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let AstNode::FunctionCall { object, name, args, try_operator, unwrap_operator } = &expr {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^ help: try ignoring the field: `try_operator: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_operator`
[INFO] [stdout]    --> src/language/parser.rs:593:78
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let AstNode::FunctionCall { object, name, args, try_operator, unwrap_operator } = &expr {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^ help: try ignoring the field: `unwrap_operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/language/interpreter.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut temp_statements: Vec<Box<AstNode>>;
[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: `std::f64::consts::E`
[INFO] [stdout]  --> src/language/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::E;
[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: `Lexer`
[INFO] [stdout]  --> src/language/interpreter.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::language::lexer::{AstNode, Lexer};
[INFO] [stdout]   |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/language/interpreter.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::language::operators::{Token, TokenType};
[INFO] [stdout]   |                                  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/language/interpreter.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]   --> src/language/interpreter.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ffi::{CStr, CString};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_operator`
[INFO] [stdout]    --> src/language/parser.rs:593:64
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let AstNode::FunctionCall { object, name, args, try_operator, unwrap_operator } = &expr {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^ help: try ignoring the field: `try_operator: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unwrap_operator`
[INFO] [stdout]    --> src/language/parser.rs:593:78
[INFO] [stdout]     |
[INFO] [stdout] 593 |             if let AstNode::FunctionCall { object, name, args, try_operator, unwrap_operator } = &expr {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^ help: try ignoring the field: `unwrap_operator: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/language/interpreter.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut temp_statements: Vec<Box<AstNode>>;
[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 `test` profile [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "56350c03027a69f98bd07f3e96f2cb82b5cb65d4a18dc0fa31ac31dcb35a61be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56350c03027a69f98bd07f3e96f2cb82b5cb65d4a18dc0fa31ac31dcb35a61be", kill_on_drop: false }`
[INFO] [stdout] 56350c03027a69f98bd07f3e96f2cb82b5cb65d4a18dc0fa31ac31dcb35a61be
