[INFO] cloning repository https://github.com/shika-blyat/regex-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shika-blyat/regex-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fregex-engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fregex-engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 073551372d25adffb72b138cb5b7a3428e653198 [INFO] checking shika-blyat/regex-engine against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fregex-engine" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shika-blyat/regex-engine on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shika-blyat/regex-engine [INFO] finished tweaking git repo https://github.com/shika-blyat/regex-engine [INFO] tweaked toml for git repo https://github.com/shika-blyat/regex-engine written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/shika-blyat/regex-engine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fddb3c820183dbd5b701628e300ee9793235400dcb18b9de6790e0ea0a48abe8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fddb3c820183dbd5b701628e300ee9793235400dcb18b9de6790e0ea0a48abe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fddb3c820183dbd5b701628e300ee9793235400dcb18b9de6790e0ea0a48abe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fddb3c820183dbd5b701628e300ee9793235400dcb18b9de6790e0ea0a48abe8", kill_on_drop: false }` [INFO] [stdout] fddb3c820183dbd5b701628e300ee9793235400dcb18b9de6790e0ea0a48abe8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 472e85cfe9b0966a2eec8071d6a9f9af8a77eb245d87fbe267516dbbbc001616 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "472e85cfe9b0966a2eec8071d6a9f9af8a77eb245d87fbe267516dbbbc001616", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking math-eval-tuto v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `NFA` [INFO] [stdout] --> src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use nfa::{NFABuilder, NFA}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NFA` [INFO] [stdout] --> src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use nfa::{NFABuilder, NFA}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/nfa.rs:142:29 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let mut final_states = HashSet::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_all_final_states_internal` [INFO] [stdout] --> src/nfa.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn get_all_final_states_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/nfa.rs:142:29 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let mut final_states = HashSet::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/nfa.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | / write!( [INFO] [stdout] 19 | | fmtr, [INFO] [stdout] 20 | | "{} -'{}'> {}\n", [INFO] [stdout] 21 | | self.starting_node, [INFO] [stdout] 22 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 23 | | trans.to [INFO] [stdout] 24 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/nfa.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | / write!( [INFO] [stdout] 30 | | fmtr, [INFO] [stdout] 31 | | "{} -'{}'> {}\n", [INFO] [stdout] 32 | | idx, [INFO] [stdout] 33 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 34 | | trans.to, [INFO] [stdout] 35 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nfa.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut function = |handle: NodeHandle| {}; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/nfa.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | write!(fmtr, "{} ->\n", idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_all_final_states_internal` [INFO] [stdout] --> src/nfa.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn get_all_final_states_internal( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/nfa.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | / write!( [INFO] [stdout] 19 | | fmtr, [INFO] [stdout] 20 | | "{} -'{}'> {}\n", [INFO] [stdout] 21 | | self.starting_node, [INFO] [stdout] 22 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 23 | | trans.to [INFO] [stdout] 24 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/nfa.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | / write!( [INFO] [stdout] 30 | | fmtr, [INFO] [stdout] 31 | | "{} -'{}'> {}\n", [INFO] [stdout] 32 | | idx, [INFO] [stdout] 33 | | trans.consumes.unwrap_or('\0'), [INFO] [stdout] 34 | | trans.to, [INFO] [stdout] 35 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/nfa.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | write!(fmtr, "{} ->\n", idx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "472e85cfe9b0966a2eec8071d6a9f9af8a77eb245d87fbe267516dbbbc001616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "472e85cfe9b0966a2eec8071d6a9f9af8a77eb245d87fbe267516dbbbc001616", kill_on_drop: false }` [INFO] [stdout] 472e85cfe9b0966a2eec8071d6a9f9af8a77eb245d87fbe267516dbbbc001616