[INFO] cloning repository https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tossyyukky/rust-sample-easy-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1da1ebcf95313fe16fd5d8d2521c5fc1d0f7cab
[INFO] checking tossyyukky/rust-sample-easy-parser against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftossyyukky%2Frust-sample-easy-parser" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tossyyukky/rust-sample-easy-parser on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] finished tweaking git repo https://github.com/tossyyukky/rust-sample-easy-parser
[INFO] tweaked toml for git repo https://github.com/tossyyukky/rust-sample-easy-parser written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tossyyukky/rust-sample-easy-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff2011e1c4967eb3ba5400074ea3cfee60ac718230faebfe159e2763478dc60
[INFO] running `Command { std: "docker" "start" "-a" "3ff2011e1c4967eb3ba5400074ea3cfee60ac718230faebfe159e2763478dc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff2011e1c4967eb3ba5400074ea3cfee60ac718230faebfe159e2763478dc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff2011e1c4967eb3ba5400074ea3cfee60ac718230faebfe159e2763478dc60", kill_on_drop: false }`
[INFO] [stdout] 3ff2011e1c4967eb3ba5400074ea3cfee60ac718230faebfe159e2763478dc60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed7e01a1f76f5074901c759089f25de129954e309e7fa29641751482aa2211d3
[INFO] running `Command { std: "docker" "start" "-a" "ed7e01a1f76f5074901c759089f25de129954e309e7fa29641751482aa2211d3", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking parser v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stdout] warning: associated function is never used: `num`
[INFO] [stdout]    --> src/main.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn num(n: u64, loc: Loc) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interperter`
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivisionByZero`
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show_diagnostic`
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, _input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_uniop`
[INFO] [stdout]    --> src/main.rs:780:8
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_binop`
[INFO] [stdout]    --> src/main.rs:787:8
[INFO] [stdout]     |
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interperter`
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivisionByZero`
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show_diagnostic`
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, _input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_uniop`
[INFO] [stdout]    --> src/main.rs:780:8
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_binop`
[INFO] [stdout]    --> src/main.rs:787:8
[INFO] [stdout]     |
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking parser v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[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: `num`
[INFO] [stdout]    --> src/main.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn num(n: u64, loc: Loc) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stdout]    --> src/main.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 382 |     UnexpectedToken(Token),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interperter`
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivisionByZero`
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show_diagnostic`
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, _input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_uniop`
[INFO] [stdout]    --> src/main.rs:780:8
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_binop`
[INFO] [stdout]    --> src/main.rs:787:8
[INFO] [stdout]     |
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[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: struct is never constructed: `Interperter`
[INFO] [stdout]    --> src/main.rs:708:8
[INFO] [stdout]     |
[INFO] [stdout] 708 | struct Interperter;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DivisionByZero`
[INFO] [stdout]    --> src/main.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 718 |     DivisionByZero,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show_diagnostic`
[INFO] [stdout]    --> src/main.rs:727:8
[INFO] [stdout]     |
[INFO] [stdout] 727 |     fn show_diagnostic(&self, _input: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:760:12
[INFO] [stdout]     |
[INFO] [stdout] 760 |     pub fn eval(&mut self, expr: &Ast) -> Result<i64, InterperterError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_uniop`
[INFO] [stdout]    --> src/main.rs:780:8
[INFO] [stdout]     |
[INFO] [stdout] 780 |     fn eval_uniop(&mut self, op: &UniOp, n: i64) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval_binop`
[INFO] [stdout]    --> src/main.rs:787:8
[INFO] [stdout]     |
[INFO] [stdout] 787 |     fn eval_binop(&mut self, op: &BinOp, l: i64, r: i64) -> Result<i64, InterperterErrorKind> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout.write(s.as_bytes());
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ed7e01a1f76f5074901c759089f25de129954e309e7fa29641751482aa2211d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7e01a1f76f5074901c759089f25de129954e309e7fa29641751482aa2211d3", kill_on_drop: false }`
[INFO] [stdout] ed7e01a1f76f5074901c759089f25de129954e309e7fa29641751482aa2211d3