[INFO] updating cached repository https://github.com/htrefil/fractars
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e79d46b545dc9d2b6924fddd316905a6674e469
[INFO] checking htrefil/fractars against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtrefil%2Ffractars" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/htrefil/fractars on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/htrefil/fractars
[INFO] finished tweaking git repo https://github.com/htrefil/fractars
[INFO] tweaked toml for git repo https://github.com/htrefil/fractars written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/htrefil/fractars already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e867e5983148b6ab8489075691952b978d8eba90c084ec877e6dbf0b5263b938
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e867e5983148b6ab8489075691952b978d8eba90c084ec877e6dbf0b5263b938"`
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking fractars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/parse/expr.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::lex::{Position, Token, TokenKind, TokenList};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseErrorKind`
[INFO] [stderr]  --> src/parse/statement.rs:2:39
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::error::{Error, ParseError, ParseErrorKind};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/parse/statement.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::lex::{TokenList, Token, TokenKind, Position};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]   --> src/parse/mod.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::lex::{TokenList, Token, TokenKind, Position};
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/render/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parse::Statement`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::parse::Statement;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/parse/expr.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::lex::{Position, Token, TokenKind, TokenList};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseErrorKind`
[INFO] [stderr]  --> src/parse/statement.rs:2:39
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::error::{Error, ParseError, ParseErrorKind};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/parse/statement.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::lex::{TokenList, Token, TokenKind, Position};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]   --> src/parse/mod.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::lex::{TokenList, Token, TokenKind, Position};
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]  --> src/render/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parse::Statement`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::parse::Statement;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lex/mod.rs:68:2
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new() -> TokenList {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/lex/mod.rs:75:2
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn add(&mut self, token: Token) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Syntax`
[INFO] [stderr]  --> src/parse/error.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Syntax,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedEof`
[INFO] [stderr]  --> src/parse/error.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnexpectedEof,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DuplicatedName`
[INFO] [stderr]   --> src/parse/error.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     DuplicatedName,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivByZero`
[INFO] [stderr]   --> src/parse/error.rs:52:2
[INFO] [stderr]    |
[INFO] [stderr] 52 |     DivByZero,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidFuncCall`
[INFO] [stderr]   --> src/parse/error.rs:55:2
[INFO] [stderr]    |
[INFO] [stderr] 55 |     InvalidFuncCall,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/parse/statement.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn parse(token_list: &mut TokenList) -> Result<Vec<Statement>, ParseError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_str`
[INFO] [stderr]   --> src/parse/statement.rs:56:2
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn parse_str(data: &str) -> Result<Vec<Statement>, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `func`
[INFO] [stderr]   --> src/parse/mod.rs:72:2
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn func(&mut self, name: &str, f: UserFunc) -> &mut Context {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lex/mod.rs:68:2
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new() -> TokenList {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/lex/mod.rs:75:2
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn add(&mut self, token: Token) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Syntax`
[INFO] [stderr]  --> src/parse/error.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Syntax,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedEof`
[INFO] [stderr]  --> src/parse/error.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnexpectedEof,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DuplicatedName`
[INFO] [stderr]   --> src/parse/error.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     DuplicatedName,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DivByZero`
[INFO] [stderr]   --> src/parse/error.rs:52:2
[INFO] [stderr]    |
[INFO] [stderr] 52 |     DivByZero,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidFuncCall`
[INFO] [stderr]   --> src/parse/error.rs:55:2
[INFO] [stderr]    |
[INFO] [stderr] 55 |     InvalidFuncCall,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/parse/statement.rs:35:2
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn parse(token_list: &mut TokenList) -> Result<Vec<Statement>, ParseError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_str`
[INFO] [stderr]   --> src/parse/statement.rs:56:2
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn parse_str(data: &str) -> Result<Vec<Statement>, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `func`
[INFO] [stderr]   --> src/parse/mod.rs:72:2
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn func(&mut self, name: &str, f: UserFunc) -> &mut Context {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `"docker" "inspect" "e867e5983148b6ab8489075691952b978d8eba90c084ec877e6dbf0b5263b938"`
[INFO] running `"docker" "rm" "-f" "e867e5983148b6ab8489075691952b978d8eba90c084ec877e6dbf0b5263b938"`
[INFO] [stdout] e867e5983148b6ab8489075691952b978d8eba90c084ec877e6dbf0b5263b938