[INFO] cloning repository https://github.com/pepedinho/ft_lex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepedinho/ft_lex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepedinho%2Fft_lex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepedinho%2Fft_lex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79e64d3bac81e9988a7094acb63d436279e73428
[INFO] checking pepedinho/ft_lex against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepedinho%2Fft_lex" "/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/pepedinho/ft_lex
[INFO] finished tweaking git repo https://github.com/pepedinho/ft_lex
[INFO] tweaked toml for git repo https://github.com/pepedinho/ft_lex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pepedinho/ft_lex on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pepedinho/ft_lex 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking pepedinho/ft_lex against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepedinho%2Fft_lex" "/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/pepedinho/ft_lex
[INFO] finished tweaking git repo https://github.com/pepedinho/ft_lex
[INFO] tweaked toml for git repo https://github.com/pepedinho/ft_lex written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pepedinho/ft_lex on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pepedinho/ft_lex 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73625af2abf0654cd3123c233403b35c61c3329af51c673a6daca0bc8354bcf7
[INFO] running `Command { std: "docker" "start" "-a" "73625af2abf0654cd3123c233403b35c61c3329af51c673a6daca0bc8354bcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73625af2abf0654cd3123c233403b35c61c3329af51c673a6daca0bc8354bcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73625af2abf0654cd3123c233403b35c61c3329af51c673a6daca0bc8354bcf7", kill_on_drop: false }`
[INFO] [stdout] 73625af2abf0654cd3123c233403b35c61c3329af51c673a6daca0bc8354bcf7
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb59bb4a75c738fe59a12cf1b01919208645efd53a0dd20ebf0fd430b836dc30
[INFO] running `Command { std: "docker" "start" "-a" "fb59bb4a75c738fe59a12cf1b01919208645efd53a0dd20ebf0fd430b836dc30", kill_on_drop: false }`
[INFO] [stderr]     Checking ft_lex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Quant`
[INFO] [stdout]  --> src/scanner/parsing/shutting_yard/shutting_yard.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ExprsLst, Kind, Quant, RegularExpression, Token,
[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: `Quant`
[INFO] [stdout]  --> src/scanner/parsing/shutting_yard/shutting_yard.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ExprsLst, Kind, Quant, RegularExpression, Token,
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/scanner/parsing/thomson/thomson.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/scanner/parsing/thomson/thomson.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::btree_map::Values` and `fmt`
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/structure.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::btree_map::Values, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::Chars`
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/utils.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{char, process::exit, str::Chars};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::btree_map::Values` and `fmt`
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/structure.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::btree_map::Values, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Counter`
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/utils.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::structure::{Counter, Kind, RegularExpression, RepCases, Repetition, ScanParser, Token};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::Chars`
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/utils.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{char, process::exit, str::Chars};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Counter`
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/utils.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::structure::{Counter, Kind, RegularExpression, RepCases, Repetition, ScanParser, Token};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `index` is assigned to, but never used
[INFO] [stdout]   --> src/scanner/parsing/thomson/thomson.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut index: usize = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_index` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/scanner/parsing/thomson/thomson.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         index += i;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/scanner/parsing/thomson/thomson.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         index = i;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `index` is assigned to, but never used
[INFO] [stdout]   --> src/scanner/parsing/thomson/thomson.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut index: usize = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_index` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/scanner/parsing/thomson/thomson.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         index += i;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/scanner/parsing/thomson/thomson.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         index = i;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scanner/parsing/thomson/thomson.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut eps = sync_and_epsilon(a, b);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/scanner/parsing/thomson/thomson.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut eps = sync_and_epsilon(a, b);
[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: field `content` is never read
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/structure.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ScanParser {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/structure.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ScanParser {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Brackets` is never constructed
[INFO] [stdout]   --> src/scanner/parsing/tokenizer/structure.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Quant {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Brackets,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Quant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Anchor` and `None` are never constructed
[INFO] [stdout]   --> src/scanner/parsing/tokenizer/structure.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Kind {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 35 |     Anchor,            // ^, $
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Kind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Brackets` is never constructed
[INFO] [stdout]   --> src/scanner/parsing/tokenizer/structure.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Quant {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Brackets,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Quant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_token` is never used
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_token<I, F>(chars: &mut I, parser: F, exprs: &mut RegularExpression)
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skip_to_nl` is never used
[INFO] [stdout]    --> src/scanner/parsing/tokenizer/utils.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn skip_to_nl<I>(chars: &mut I)
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Anchor` and `None` are never constructed
[INFO] [stdout]   --> src/scanner/parsing/tokenizer/structure.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Kind {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 35 |     Anchor,            // ^, $
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Kind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_token` is never used
[INFO] [stdout]  --> src/scanner/parsing/tokenizer/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_token<I, F>(chars: &mut I, parser: F, exprs: &mut RegularExpression)
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skip_to_nl` is never used
[INFO] [stdout]    --> src/scanner/parsing/tokenizer/utils.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn skip_to_nl<I>(chars: &mut I)
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "fb59bb4a75c738fe59a12cf1b01919208645efd53a0dd20ebf0fd430b836dc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb59bb4a75c738fe59a12cf1b01919208645efd53a0dd20ebf0fd430b836dc30", kill_on_drop: false }`
[INFO] [stdout] fb59bb4a75c738fe59a12cf1b01919208645efd53a0dd20ebf0fd430b836dc30
