[INFO] cloning repository https://github.com/JuanScerriE/rust-logic-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanScerriE/rust-logic-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanScerriE%2Frust-logic-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanScerriE%2Frust-logic-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 187f7353e48e9444b3397d191297a628bc54d8a7
[INFO] checking JuanScerriE/rust-logic-calc against try#751cdbaf3a893bc71b2c617bb7be22dfea5f0862 for pr-95611
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanScerriE%2Frust-logic-calc" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanScerriE/rust-logic-calc on toolchain 751cdbaf3a893bc71b2c617bb7be22dfea5f0862
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JuanScerriE/rust-logic-calc
[INFO] finished tweaking git repo https://github.com/JuanScerriE/rust-logic-calc
[INFO] tweaked toml for git repo https://github.com/JuanScerriE/rust-logic-calc written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanScerriE/rust-logic-calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d15864951545f0a76dfe6e385920893265e80a527e21a3df0df04e92b087c08
[INFO] running `Command { std: "docker" "start" "-a" "8d15864951545f0a76dfe6e385920893265e80a527e21a3df0df04e92b087c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d15864951545f0a76dfe6e385920893265e80a527e21a3df0df04e92b087c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d15864951545f0a76dfe6e385920893265e80a527e21a3df0df04e92b087c08", kill_on_drop: false }`
[INFO] [stdout] 8d15864951545f0a76dfe6e385920893265e80a527e21a3df0df04e92b087c08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468a19cb038e1fc2506d003badf0005c6fad5426d348db9398e8373b8c115340
[INFO] running `Command { std: "docker" "start" "-a" "468a19cb038e1fc2506d003badf0005c6fad5426d348db9398e8373b8c115340", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking logic-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_opr`
[INFO] [stdout]   --> src/main.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |         pub fn is_opr(&self) -> bool {
[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: `is_var`
[INFO] [stdout]   --> src/main.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn is_var(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_var_index`
[INFO] [stdout]   --> src/main.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn get_var_index(&self) -> Result<u32, TokenError> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_symbol`
[INFO] [stdout]   --> src/main.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fn get_symbol(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expr_string`
[INFO] [stdout]   --> src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         expr_string: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_expr`
[INFO] [stdout]    --> src/main.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 151 |         pub fn gen_expr(&mut self, rng: &mut ThreadRng, depth: u32) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_opr`
[INFO] [stdout]   --> src/main.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |         pub fn is_opr(&self) -> bool {
[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: `is_var`
[INFO] [stdout]   --> src/main.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |         pub fn is_var(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_var_index`
[INFO] [stdout]   --> src/main.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn get_var_index(&self) -> Result<u32, TokenError> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_symbol`
[INFO] [stdout]   --> src/main.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fn get_symbol(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expr_string`
[INFO] [stdout]   --> src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         expr_string: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_expr`
[INFO] [stdout]    --> src/main.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 151 |         pub fn gen_expr(&mut self, rng: &mut ThreadRng, depth: u32) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 42s
[INFO] running `Command { std: "docker" "inspect" "468a19cb038e1fc2506d003badf0005c6fad5426d348db9398e8373b8c115340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468a19cb038e1fc2506d003badf0005c6fad5426d348db9398e8373b8c115340", kill_on_drop: false }`
[INFO] [stdout] 468a19cb038e1fc2506d003badf0005c6fad5426d348db9398e8373b8c115340