[INFO] cloning repository https://github.com/pedroddvo/scaffoldrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pedroddvo/scaffoldrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedroddvo%2Fscaffoldrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedroddvo%2Fscaffoldrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c20f83a46746f9e9a444f0a8b44f4e043c6c6b7
[INFO] testing pedroddvo/scaffoldrust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedroddvo%2Fscaffoldrust" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pedroddvo/scaffoldrust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pedroddvo/scaffoldrust
[INFO] finished tweaking git repo https://github.com/pedroddvo/scaffoldrust
[INFO] tweaked toml for git repo https://github.com/pedroddvo/scaffoldrust written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/pedroddvo/scaffoldrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-entity v0.80.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.80.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.80.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.80.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.80.0
[INFO] [stderr]   Downloaded cranelift v0.80.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.80.0
[INFO] [stderr]   Downloaded cranelift-module v0.80.0
[INFO] [stderr]   Downloaded cranelift-object v0.80.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251e172974f7743cde396f21cfca8d7a707da283ae262bc0fa568871a4abc08c
[INFO] running `Command { std: "docker" "start" "-a" "251e172974f7743cde396f21cfca8d7a707da283ae262bc0fa568871a4abc08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251e172974f7743cde396f21cfca8d7a707da283ae262bc0fa568871a4abc08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251e172974f7743cde396f21cfca8d7a707da283ae262bc0fa568871a4abc08c", kill_on_drop: false }`
[INFO] [stdout] 251e172974f7743cde396f21cfca8d7a707da283ae262bc0fa568871a4abc08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2184f58fce6ce91b334da05aabd3eee17be35699a6dbea353ce5bdaf858311
[INFO] running `Command { std: "docker" "start" "-a" "9d2184f58fce6ce91b334da05aabd3eee17be35699a6dbea353ce5bdaf858311", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.80.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling cranelift-entity v0.80.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.80.0
[INFO] [stderr]    Compiling regalloc v0.0.33
[INFO] [stderr]    Compiling cranelift-bforest v0.80.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling cranelift-codegen v0.80.0
[INFO] [stderr]    Compiling cranelift-frontend v0.80.0
[INFO] [stderr]    Compiling cranelift-module v0.80.0
[INFO] [stderr]    Compiling cranelift-object v0.80.0
[INFO] [stderr]    Compiling cranelift v0.80.0
[INFO] [stderr]    Compiling scaffold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LangError`
[INFO] [stdout]  --> src/main.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lang::error::{report_error, LangErrorKind, LangError};
[INFO] [stdout]   |                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/lang/tokenize.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExprKind`, `parse`
[INFO] [stdout]  --> src/lang/analyse.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::parse::{Expr, ExprKind, parse};
[INFO] [stdout]   |                          ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::*`
[INFO] [stdout]  --> src/lang/analyse.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::error::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/codegen.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/codegen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift::codegen::ir::Function`
[INFO] [stdout]  --> src/codegen.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cranelift::codegen::ir::Function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `binemit`, `verify_function`
[INFO] [stdout]   --> src/codegen.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | use cranelift::codegen::{Context, verify_function, binemit};
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExternalName`
[INFO] [stdout]   --> src/codegen.rs:12:64
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cranelift::prelude::{Signature, AbiParam, Value, settings, ExternalName, EntityRef};
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TargetIsa`
[INFO] [stdout]   --> src/codegen.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cranelift::prelude::isa::{CallConv, TargetIsa};
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/codegen.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::lang::parse::{Expr, ExprKind, self};
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]   --> src/codegen.rs:21:62
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::lang::{self, error::{LangError, lang_error_fatal, Span}};
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/lang/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 212 |       _ => unimplemented!()
[INFO] [stdout]     |       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Ok(e) => {
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/codegen.rs:220:37
[INFO] [stdout]     |
[INFO] [stdout] 220 |       ExprKind::FuncDef(namespaced, params, ret_type, _) => {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_type`
[INFO] [stdout]    --> src/codegen.rs:220:45
[INFO] [stdout]     |
[INFO] [stdout] 220 |       ExprKind::FuncDef(namespaced, params, ret_type, _) => {
[INFO] [stdout]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/codegen.rs:199:38
[INFO] [stdout]     |
[INFO] [stdout] 199 |       ExprKind::FuncCall(namespaced, args) => {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fvar`
[INFO] [stdout]    --> src/codegen.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let fvar = self.variables.get(&namespaced).unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_fvar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lang/parse.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Err(e) => continue,
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lang/parse.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let mut errors = vec![];
[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: field is never read: `data_ctx`
[INFO] [stdout]   --> src/codegen.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |   data_ctx: DataContext,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sig`
[INFO] [stdout]   --> src/codegen.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn sig() -> Signature {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_if`
[INFO] [stdout]   --> src/lang/parse.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn next_if(&mut self, kind: TokenKind) -> IResult<Token> {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Analyser`
[INFO] [stdout]  --> src/lang/analyse.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Analyser {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lang/parse.rs:281:7
[INFO] [stdout]     |
[INFO] [stdout] 281 |       self.expect_next(TokenKind::RParen);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.87s
[INFO] running `Command { std: "docker" "inspect" "9d2184f58fce6ce91b334da05aabd3eee17be35699a6dbea353ce5bdaf858311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2184f58fce6ce91b334da05aabd3eee17be35699a6dbea353ce5bdaf858311", kill_on_drop: false }`
[INFO] [stdout] 9d2184f58fce6ce91b334da05aabd3eee17be35699a6dbea353ce5bdaf858311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0493a53738ab2a2fa82665d53431fb5348399ce97df5114bad5bab259a57048
[INFO] running `Command { std: "docker" "start" "-a" "f0493a53738ab2a2fa82665d53431fb5348399ce97df5114bad5bab259a57048", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scaffold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LangError`
[INFO] [stdout]  --> src/main.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lang::error::{report_error, LangErrorKind, LangError};
[INFO] [stdout]   |                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/lang/tokenize.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExprKind`, `parse`
[INFO] [stdout]  --> src/lang/analyse.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::parse::{Expr, ExprKind, parse};
[INFO] [stdout]   |                          ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::error::*`
[INFO] [stdout]  --> src/lang/analyse.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::error::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/codegen.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/codegen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift::codegen::ir::Function`
[INFO] [stdout]  --> src/codegen.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cranelift::codegen::ir::Function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `binemit`, `verify_function`
[INFO] [stdout]   --> src/codegen.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | use cranelift::codegen::{Context, verify_function, binemit};
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExternalName`
[INFO] [stdout]   --> src/codegen.rs:12:64
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cranelift::prelude::{Signature, AbiParam, Value, settings, ExternalName, EntityRef};
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TargetIsa`
[INFO] [stdout]   --> src/codegen.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cranelift::prelude::isa::{CallConv, TargetIsa};
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/codegen.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::lang::parse::{Expr, ExprKind, self};
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]   --> src/codegen.rs:21:62
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::lang::{self, error::{LangError, lang_error_fatal, Span}};
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/lang/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/codegen.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 212 |       _ => unimplemented!()
[INFO] [stdout]     |       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Ok(e) => {
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/codegen.rs:220:37
[INFO] [stdout]     |
[INFO] [stdout] 220 |       ExprKind::FuncDef(namespaced, params, ret_type, _) => {
[INFO] [stdout]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_type`
[INFO] [stdout]    --> src/codegen.rs:220:45
[INFO] [stdout]     |
[INFO] [stdout] 220 |       ExprKind::FuncDef(namespaced, params, ret_type, _) => {
[INFO] [stdout]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/codegen.rs:199:38
[INFO] [stdout]     |
[INFO] [stdout] 199 |       ExprKind::FuncCall(namespaced, args) => {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fvar`
[INFO] [stdout]    --> src/codegen.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let fvar = self.variables.get(&namespaced).unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_fvar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lang/parse.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Err(e) => continue,
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lang/parse.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let mut errors = vec![];
[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: field is never read: `data_ctx`
[INFO] [stdout]   --> src/codegen.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |   data_ctx: DataContext,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sig`
[INFO] [stdout]   --> src/codegen.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn sig() -> Signature {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_if`
[INFO] [stdout]   --> src/lang/parse.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn next_if(&mut self, kind: TokenKind) -> IResult<Token> {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Analyser`
[INFO] [stdout]  --> src/lang/analyse.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Analyser {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lang/parse.rs:281:7
[INFO] [stdout]     |
[INFO] [stdout] 281 |       self.expect_next(TokenKind::RParen);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "f0493a53738ab2a2fa82665d53431fb5348399ce97df5114bad5bab259a57048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0493a53738ab2a2fa82665d53431fb5348399ce97df5114bad5bab259a57048", kill_on_drop: false }`
[INFO] [stdout] f0493a53738ab2a2fa82665d53431fb5348399ce97df5114bad5bab259a57048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b3513e86adc769619514aea10f3971a4d03eb638fe7eb362402b28b2e58124b
[INFO] running `Command { std: "docker" "start" "-a" "4b3513e86adc769619514aea10f3971a4d03eb638fe7eb362402b28b2e58124b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::mem`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::mem;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LangError`
[INFO] [stderr]  --> src/main.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | use lang::error::{report_error, LangErrorKind, LangError};
[INFO] [stderr]   |                                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/lang/tokenize.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ExprKind`, `parse`
[INFO] [stderr]  --> src/lang/analyse.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::parse::{Expr, ExprKind, parse};
[INFO] [stderr]   |                          ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::*`
[INFO] [stderr]  --> src/lang/analyse.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/codegen.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/codegen.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cranelift::codegen::ir::Function`
[INFO] [stderr]  --> src/codegen.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cranelift::codegen::ir::Function;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `binemit`, `verify_function`
[INFO] [stderr]   --> src/codegen.rs:10:35
[INFO] [stderr]    |
[INFO] [stderr] 10 | use cranelift::codegen::{Context, verify_function, binemit};
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExternalName`
[INFO] [stderr]   --> src/codegen.rs:12:64
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cranelift::prelude::{Signature, AbiParam, Value, settings, ExternalName, EntityRef};
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TargetIsa`
[INFO] [stderr]   --> src/codegen.rs:13:41
[INFO] [stderr]    |
[INFO] [stderr] 13 | use cranelift::prelude::isa::{CallConv, TargetIsa};
[INFO] [stderr]    |                                         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/codegen.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 | use crate::lang::parse::{Expr, ExprKind, self};
[INFO] [stderr]    |                                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Span`
[INFO] [stderr]   --> src/codegen.rs:21:62
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::lang::{self, error::{LangError, lang_error_fatal, Span}};
[INFO] [stderr]    |                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/lang/error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/codegen.rs:212:7
[INFO] [stderr]     |
[INFO] [stderr] 212 |       _ => unimplemented!()
[INFO] [stderr]     |       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Ok(e) => {
[INFO] [stderr]    |        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/codegen.rs:220:37
[INFO] [stderr]     |
[INFO] [stderr] 220 |       ExprKind::FuncDef(namespaced, params, ret_type, _) => {
[INFO] [stderr]     |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret_type`
[INFO] [stderr]    --> src/codegen.rs:220:45
[INFO] [stderr]     |
[INFO] [stderr] 220 |       ExprKind::FuncDef(namespaced, params, ret_type, _) => {
[INFO] [stderr]     |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/codegen.rs:199:38
[INFO] [stderr]     |
[INFO] [stderr] 199 |       ExprKind::FuncCall(namespaced, args) => {
[INFO] [stderr]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fvar`
[INFO] [stderr]    --> src/codegen.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let fvar = self.variables.get(&namespaced).unwrap();
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_fvar`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lang/parse.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         Err(e) => continue,
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lang/parse.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 |     let mut errors = vec![];
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data_ctx`
[INFO] [stderr]   --> src/codegen.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |   data_ctx: DataContext,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sig`
[INFO] [stderr]   --> src/codegen.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 |   fn sig() -> Signature {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_if`
[INFO] [stderr]   --> src/lang/parse.rs:49:6
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn next_if(&mut self, kind: TokenKind) -> IResult<Token> {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Analyser`
[INFO] [stderr]  --> src/lang/analyse.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Analyser {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lang/parse.rs:281:7
[INFO] [stderr]     |
[INFO] [stderr] 281 |       self.expect_next(TokenKind::RParen);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `scaffold` (bin "scaffold" test) generated 27 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scaffold-95a8fbb2c33ac7a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b3513e86adc769619514aea10f3971a4d03eb638fe7eb362402b28b2e58124b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3513e86adc769619514aea10f3971a4d03eb638fe7eb362402b28b2e58124b", kill_on_drop: false }`
[INFO] [stdout] 4b3513e86adc769619514aea10f3971a4d03eb638fe7eb362402b28b2e58124b