[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fregex-engine" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shika-blyat/regex-engine on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-15/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e2f6742b3285beea7d70d1d47b906c679e1a5531336820e8a8c5429d8c4338e [INFO] running `Command { std: "docker" "start" "-a" "3e2f6742b3285beea7d70d1d47b906c679e1a5531336820e8a8c5429d8c4338e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e2f6742b3285beea7d70d1d47b906c679e1a5531336820e8a8c5429d8c4338e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e2f6742b3285beea7d70d1d47b906c679e1a5531336820e8a8c5429d8c4338e", kill_on_drop: false }` [INFO] [stdout] 3e2f6742b3285beea7d70d1d47b906c679e1a5531336820e8a8c5429d8c4338e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67f89018fd10d6af2722ac373c19a39a930f485b2d7d4d70f22fad992e58d73c [INFO] running `Command { std: "docker" "start" "-a" "67f89018fd10d6af2722ac373c19a39a930f485b2d7d4d70f22fad992e58d73c", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking math-eval-tuto v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/nfa.rs (3 fixes) [INFO] [stderr] Fixed src/main.rs (1 fix) [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 `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 the macro `write` (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 the macro `write` (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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [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 `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 the macro `write` (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 the macro `write` (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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking math-eval-tuto v0.1.0 (/tmp/fixit) [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 `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 the macro `write` (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 the macro `write` (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 the macro `write` (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: 4 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 the macro `write` (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 the macro `write` (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 the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "67f89018fd10d6af2722ac373c19a39a930f485b2d7d4d70f22fad992e58d73c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f89018fd10d6af2722ac373c19a39a930f485b2d7d4d70f22fad992e58d73c", kill_on_drop: false }` [INFO] [stdout] 67f89018fd10d6af2722ac373c19a39a930f485b2d7d4d70f22fad992e58d73c