[INFO] cloning repository https://github.com/ekstdo/stcstk-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekstdo/stcstk-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekstdo%2Fstcstk-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekstdo%2Fstcstk-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b9da58cf8c7dd6ff963a7ae9babc07e0193472
[INFO] checking ekstdo/stcstk-lib against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekstdo%2Fstcstk-lib" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekstdo/stcstk-lib on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekstdo/stcstk-lib
[INFO] finished tweaking git repo https://github.com/ekstdo/stcstk-lib
[INFO] tweaked toml for git repo https://github.com/ekstdo/stcstk-lib written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ekstdo/stcstk-lib 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 133c879f1842073dd4d13849af03b213141074cefa407b14df6b4d92b1c7fd5f
[INFO] running `Command { std: "docker" "start" "-a" "133c879f1842073dd4d13849af03b213141074cefa407b14df6b4d92b1c7fd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133c879f1842073dd4d13849af03b213141074cefa407b14df6b4d92b1c7fd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133c879f1842073dd4d13849af03b213141074cefa407b14df6b4d92b1c7fd5f", kill_on_drop: false }`
[INFO] [stdout] 133c879f1842073dd4d13849af03b213141074cefa407b14df6b4d92b1c7fd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5298a129837f198b96862319d195fdda3b03d9681a7db5fb01d977af98ed9f6
[INFO] running `Command { std: "docker" "start" "-a" "a5298a129837f198b96862319d195fdda3b03d9681a7db5fb01d977af98ed9f6", kill_on_drop: false }`
[INFO] [stderr]     Checking stkstc-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/regex_nfa.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let match_pos = (states.len() as isize);
[INFO] [stdout]    |                     ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let match_pos = (states.len() as isize);
[INFO] [stdout] 45 +     let match_pos = states.len() as isize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/regex_nfa.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let match_pos = (states.len() as isize);
[INFO] [stdout]    |                     ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let match_pos = (states.len() as isize);
[INFO] [stdout] 45 +     let match_pos = states.len() as isize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LazyRegexDFA` is never constructed
[INFO] [stdout]  --> src/regex_dfa.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LazyRegexDFA {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `new_state` are never used
[INFO] [stdout]   --> src/regex_dfa.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl LazyRegexDFA {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(nfa_vec: &Vec<bool>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new_state(&mut self, i: Vec<bool>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_ast_to_rNFA` should have a snake case name
[INFO] [stdout]   --> src/regex_nfa.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn regex_ast_to_rNFA(ast: AST) -> LinkedList<StateOffset> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `regex_ast_to_r_nfa`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_to_rNFA` should have a snake case name
[INFO] [stdout]   --> src/regex_nfa.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn regex_to_rNFA(s: &str) -> Result<Vec<State>, (String, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `regex_to_r_nfa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LazyRegexDFA` is never constructed
[INFO] [stdout]  --> src/regex_dfa.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LazyRegexDFA {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `new_state` are never used
[INFO] [stdout]   --> src/regex_dfa.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl LazyRegexDFA {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(nfa_vec: &Vec<bool>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new_state(&mut self, i: Vec<bool>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_ast_to_rNFA` should have a snake case name
[INFO] [stdout]   --> src/regex_nfa.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn regex_ast_to_rNFA(ast: AST) -> LinkedList<StateOffset> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `regex_ast_to_r_nfa`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_to_rNFA` should have a snake case name
[INFO] [stdout]   --> src/regex_nfa.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn regex_to_rNFA(s: &str) -> Result<Vec<State>, (String, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `regex_to_r_nfa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a5298a129837f198b96862319d195fdda3b03d9681a7db5fb01d977af98ed9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5298a129837f198b96862319d195fdda3b03d9681a7db5fb01d977af98ed9f6", kill_on_drop: false }`
[INFO] [stdout] a5298a129837f198b96862319d195fdda3b03d9681a7db5fb01d977af98ed9f6