[INFO] cloning repository https://github.com/ayushsherpa111/math_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayushsherpa111/math_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushsherpa111%2Fmath_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushsherpa111%2Fmath_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d40934afeb1d5d6eb22d654f5864ce1f0debd01b
[INFO] checking ayushsherpa111/math_parser against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushsherpa111%2Fmath_parser" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ayushsherpa111/math_parser
[INFO] finished tweaking git repo https://github.com/ayushsherpa111/math_parser
[INFO] tweaked toml for git repo https://github.com/ayushsherpa111/math_parser written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayushsherpa111/math_parser on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ayushsherpa111/math_parser 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f
[INFO] running `Command { std: "docker" "start" "a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking math_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]  --> src/parser/operations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Operand{
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 3 |     Expr(Expression)
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operand` 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 `divisor` and `dividend` are never read
[INFO] [stdout]   --> src/parser/operations.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Term {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub divisor: Vec<Operand>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 15 |     pub dividend: Vec<Operand>
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `terms` is never read
[INFO] [stdout]   --> src/parser/operations.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Expression{
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 22 |     pub terms: Vec<Term>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]  --> src/parser/operations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Operand{
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 3 |     Expr(Expression)
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operand` 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 `divisor` and `dividend` are never read
[INFO] [stdout]   --> src/parser/operations.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Term {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub divisor: Vec<Operand>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 15 |     pub dividend: Vec<Operand>
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Term` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `terms` is never read
[INFO] [stdout]   --> src/parser/operations.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Expression{
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 22 |     pub terms: Vec<Term>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f", kill_on_drop: false }`
[INFO] [stdout] a901b91af74b2aea3eb22cb9f34d8ad8f36e9b8afabbf2b4190ca131aeeb239f
