[INFO] cloning repository https://github.com/GoldenMDKR/ijawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GoldenMDKR/ijawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldenMDKR%2Fijawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldenMDKR%2Fijawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ce93f28f5d6847c100d31abf76c82141f996e2f
[INFO] checking GoldenMDKR/ijawl against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldenMDKR%2Fijawl" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GoldenMDKR/ijawl
[INFO] finished tweaking git repo https://github.com/GoldenMDKR/ijawl
[INFO] tweaked toml for git repo https://github.com/GoldenMDKR/ijawl written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GoldenMDKR/ijawl on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GoldenMDKR/ijawl 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking GoldenMDKR/ijawl against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldenMDKR%2Fijawl" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GoldenMDKR/ijawl
[INFO] finished tweaking git repo https://github.com/GoldenMDKR/ijawl
[INFO] tweaked toml for git repo https://github.com/GoldenMDKR/ijawl written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GoldenMDKR/ijawl on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GoldenMDKR/ijawl 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c576fc5121f5cd5e5282c32db700bf78a60a5c3de53edada5eb0f5e39308c079
[INFO] running `Command { std: "docker" "start" "-a" "c576fc5121f5cd5e5282c32db700bf78a60a5c3de53edada5eb0f5e39308c079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c576fc5121f5cd5e5282c32db700bf78a60a5c3de53edada5eb0f5e39308c079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c576fc5121f5cd5e5282c32db700bf78a60a5c3de53edada5eb0f5e39308c079", kill_on_drop: false }`
[INFO] [stdout] c576fc5121f5cd5e5282c32db700bf78a60a5c3de53edada5eb0f5e39308c079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb2d81933ecd4f547bb88662c1b509dae72d4896797c206a796bec40be2297b6
[INFO] running `Command { std: "docker" "start" "-a" "bb2d81933ecd4f547bb88662c1b509dae72d4896797c206a796bec40be2297b6", kill_on_drop: false }`
[INFO] [stderr]     Checking ijawl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]  --> src/old_calc.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Number(pub i32);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/old_calc.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Number {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(s: &str) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]   --> src/old_calc.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Op {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/old_calc.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Op {
[INFO] [stdout]    | ------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn new(s: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/old_calc.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_num` is never used
[INFO] [stdout]   --> src/old_calc.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Value {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn as_num(val: Self) -> Number {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExprUnary` is never constructed
[INFO] [stdout]   --> src/old_calc.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ExprUnary {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `evaluate` is never used
[INFO] [stdout]   --> src/old_calc.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl ExprUnary {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 60 |     pub fn evaluate(expr: Self) -> Number {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExprBinary` is never constructed
[INFO] [stdout]   --> src/old_calc.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct ExprBinary {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `evaluate` are never used
[INFO] [stdout]   --> src/old_calc.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl ExprBinary {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 77 |     pub fn new(s: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn evaluate(expr: Self) -> Number {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenInfo` is never used
[INFO] [stdout]    --> src/old_calc.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub enum TokenInfo {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]    --> src/old_calc.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct Token {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_priority` is never used
[INFO] [stdout]    --> src/old_calc.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn calculate_priority(token_list: &mut Vec<Token>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_token_list` is never used
[INFO] [stdout]    --> src/old_calc.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn build_token_list(mut s: &str) -> Vec<Token>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_expr_tree` is never used
[INFO] [stdout]    --> src/old_calc.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn build_expr_tree(token_list: &[Token])-> Value{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]    --> src/old_calc.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub fn calculate(s:&str)-> i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_while` is never used
[INFO] [stdout]  --> src/utils.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn extract_while(accept: impl Fn(char) -> bool, s: &str) -> (&str, &str) {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_digit` is never used
[INFO] [stdout]  --> src/utils.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn extract_digit(s: &str) -> (&str, &str) {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_operator` is never used
[INFO] [stdout]   --> src/utils.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) fn extract_operator(s: &str) -> (&str, &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_whitespace` is never used
[INFO] [stdout]   --> src/utils.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) fn extract_whitespace(s: &str) -> (&str, &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_next_token` is never used
[INFO] [stdout]   --> src/utils.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn extract_next_token(s : &str) -> (&str, &str){
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "bb2d81933ecd4f547bb88662c1b509dae72d4896797c206a796bec40be2297b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2d81933ecd4f547bb88662c1b509dae72d4896797c206a796bec40be2297b6", kill_on_drop: false }`
[INFO] [stdout] bb2d81933ecd4f547bb88662c1b509dae72d4896797c206a796bec40be2297b6