[INFO] cloning repository https://github.com/nabilbrice/llvm-kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nabilbrice/llvm-kaleidoscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabilbrice%2Fllvm-kaleidoscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabilbrice%2Fllvm-kaleidoscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 839bfe503b231473702b20fe8eaaa1a591d1583d
[INFO] checking nabilbrice/llvm-kaleidoscope against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabilbrice%2Fllvm-kaleidoscope" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nabilbrice/llvm-kaleidoscope
[INFO] finished tweaking git repo https://github.com/nabilbrice/llvm-kaleidoscope
[INFO] tweaked toml for git repo https://github.com/nabilbrice/llvm-kaleidoscope written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nabilbrice/llvm-kaleidoscope on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nabilbrice/llvm-kaleidoscope 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae72d8de5c69175a3b3fcce9adcda71842b2dc9d7356528b81c84b630ea1788e
[INFO] running `Command { std: "docker" "start" "-a" "ae72d8de5c69175a3b3fcce9adcda71842b2dc9d7356528b81c84b630ea1788e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae72d8de5c69175a3b3fcce9adcda71842b2dc9d7356528b81c84b630ea1788e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae72d8de5c69175a3b3fcce9adcda71842b2dc9d7356528b81c84b630ea1788e", kill_on_drop: false }`
[INFO] [stdout] ae72d8de5c69175a3b3fcce9adcda71842b2dc9d7356528b81c84b630ea1788e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 625f45142fb3a3597e841e5e2110095b64bddd2be771355e829462b6bb8b1e33
[INFO] running `Command { std: "docker" "start" "-a" "625f45142fb3a3597e841e5e2110095b64bddd2be771355e829462b6bb8b1e33", kill_on_drop: false }`
[INFO] [stderr]     Checking kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt::Error`
[INFO] [stdout]  --> src/lexer.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Error, num::ParseFloatError};
[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: `parse_input`
[INFO] [stdout]  --> src/parser.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{parse_input, Token, TokenIter};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Error`
[INFO] [stdout]  --> src/lexer.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Error, num::ParseFloatError};
[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: `parse_input`
[INFO] [stdout]  --> src/parser.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::{parse_input, Token, TokenIter};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExprAST` is never used
[INFO] [stdout]  --> src/parser.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum ExprAST<'a> {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumberExpr` is never constructed
[INFO] [stdout]   --> src/parser.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct NumberExpr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariableExpr` is never constructed
[INFO] [stdout]   --> src/parser.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct VariableExpr<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryOpExpr` is never constructed
[INFO] [stdout]   --> src/parser.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct BinaryOpExpr<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CallOpExpr` is never constructed
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct CallOpExpr<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnTypeExpr` is never constructed
[INFO] [stdout]   --> src/parser.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct FnTypeExpr<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionExpr` is never constructed
[INFO] [stdout]   --> src/parser.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct FunctionExpr<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_primitive` is never used
[INFO] [stdout]   --> src/parser.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn make_primitive<'a>(token: Option<&Token<'a>>) -> Option<ExprAST<'a>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_opcode` is never used
[INFO] [stdout]   --> src/parser.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn get_opcode<'a>(token: Option<&Token<'a>>) -> (char, i32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_expr` is never used
[INFO] [stdout]   --> src/parser.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn make_expr<'a>(tokenstream: &mut Peekable<TokenIter<'a>>, prec: i32) -> ExprAST<'a> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_signature` is never used
[INFO] [stdout]   --> src/parser.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn make_signature<'a>(tokenstream: &mut Peekable<TokenIter<'a>>) -> FnTypeExpr<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_function` is never used
[INFO] [stdout]    --> src/parser.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn make_function<'a>(tokenstream: &mut Peekable<TokenIter<'a>>) -> FunctionExpr<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_topexpr` is never used
[INFO] [stdout]    --> src/parser.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn make_topexpr<'a>(tokenstream: &mut Peekable<TokenIter<'a>>) -> FunctionExpr<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_ast` is never used
[INFO] [stdout]    --> src/parser.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn make_ast<'a>(tokenstream: &mut Peekable<TokenIter<'a>>) -> ExprAST<'a> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lexer.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &'a str) -> TokenIter {
[INFO] [stdout]    |                        --         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &'a str) -> TokenIter<'a> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chars`
[INFO] [stdout]    --> src/lexer.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let chars = input.chars();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_chars`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CallOp` and `FnType` are never constructed
[INFO] [stdout]   --> src/parser.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | enum ExprAST<'a> {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  9 |     CallOp(CallOpExpr<'a>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     FnType(FnTypeExpr<'a>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprAST` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lexer.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &'a str) -> TokenIter {
[INFO] [stdout]    |                        --         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(input: &'a str) -> TokenIter<'a> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "625f45142fb3a3597e841e5e2110095b64bddd2be771355e829462b6bb8b1e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625f45142fb3a3597e841e5e2110095b64bddd2be771355e829462b6bb8b1e33", kill_on_drop: false }`
[INFO] [stdout] 625f45142fb3a3597e841e5e2110095b64bddd2be771355e829462b6bb8b1e33