[INFO] cloning repository https://github.com/miberss/DataCompiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miberss/DataCompiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiberss%2FDataCompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiberss%2FDataCompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8983a1cf5af8193df3b1ad5d306f4cb1d6f591c9
[INFO] checking miberss/DataCompiler against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiberss%2FDataCompiler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/miberss/DataCompiler
[INFO] finished tweaking git repo https://github.com/miberss/DataCompiler
[INFO] tweaked toml for git repo https://github.com/miberss/DataCompiler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/miberss/DataCompiler on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/miberss/DataCompiler 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06766a72853307041b4af246a14fd70c67ce501d30e0e0be0fbc2bf33d3b23b5
[INFO] running `Command { std: "docker" "start" "-a" "06766a72853307041b4af246a14fd70c67ce501d30e0e0be0fbc2bf33d3b23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06766a72853307041b4af246a14fd70c67ce501d30e0e0be0fbc2bf33d3b23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06766a72853307041b4af246a14fd70c67ce501d30e0e0be0fbc2bf33d3b23b5", kill_on_drop: false }`
[INFO] [stdout] 06766a72853307041b4af246a14fd70c67ce501d30e0e0be0fbc2bf33d3b23b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b2fc5419ecb8d38b9e32ef4ec3f69febb92b45fb694bf77597b29f7fc4644f
[INFO] running `Command { std: "docker" "start" "-a" "18b2fc5419ecb8d38b9e32ef4ec3f69febb92b45fb694bf77597b29f7fc4644f", kill_on_drop: false }`
[INFO] [stderr]     Checking DataCompiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Eof` and `Bad` are never constructed
[INFO] [stdout]   --> src/ast/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | enum TokenKind {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Bad,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` 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: fields `start`, `end`, `line`, and `literal` are never read
[INFO] [stdout]   --> src/ast/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TextSpan {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     start: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     end: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     literal: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TextSpan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/ast/lexer.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl TextSpan {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Eof` and `Bad` are never constructed
[INFO] [stdout]   --> src/ast/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | enum TokenKind {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     Bad,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` 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: fields `kind` and `span` are never read
[INFO] [stdout]   --> src/ast/lexer.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 40 |     kind: TokenKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     span: TextSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_char_by` is never used
[INFO] [stdout]    --> src/ast/lexer.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl Lexer {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 203 |     fn peek_char_by(&self, by: usize) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `end`, `line`, and `literal` are never read
[INFO] [stdout]   --> src/ast/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TextSpan {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     start: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     end: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     literal: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TextSpan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/ast/lexer.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl TextSpan {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `span` are never read
[INFO] [stdout]   --> src/ast/lexer.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 40 |     kind: TokenKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     span: TextSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_char_by` is never used
[INFO] [stdout]    --> src/ast/lexer.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl Lexer {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 203 |     fn peek_char_by(&self, by: usize) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "18b2fc5419ecb8d38b9e32ef4ec3f69febb92b45fb694bf77597b29f7fc4644f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b2fc5419ecb8d38b9e32ef4ec3f69febb92b45fb694bf77597b29f7fc4644f", kill_on_drop: false }`
[INFO] [stdout] 18b2fc5419ecb8d38b9e32ef4ec3f69febb92b45fb694bf77597b29f7fc4644f