[INFO] cloning repository https://github.com/MarcoLuglio/Parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcoLuglio/Parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoLuglio%2FParser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoLuglio%2FParser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f35dcbc2a59f400147f5b1b234b3f2aeade45ebe [INFO] checking MarcoLuglio/Parser against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoLuglio%2FParser" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MarcoLuglio/Parser on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MarcoLuglio/Parser [INFO] finished tweaking git repo https://github.com/MarcoLuglio/Parser [INFO] tweaked toml for git repo https://github.com/MarcoLuglio/Parser written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/MarcoLuglio/Parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e20cfaa8067d676e6103cf463c1fc3f45b32e68b28c2929a59880122fa5d665 [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" "9e20cfaa8067d676e6103cf463c1fc3f45b32e68b28c2929a59880122fa5d665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e20cfaa8067d676e6103cf463c1fc3f45b32e68b28c2929a59880122fa5d665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e20cfaa8067d676e6103cf463c1fc3f45b32e68b28c2929a59880122fa5d665", kill_on_drop: false }` [INFO] [stdout] 9e20cfaa8067d676e6103cf463c1fc3f45b32e68b28c2929a59880122fa5d665 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4405717cbb2089ed2c3a573ee26de4202e8cb7ff94a092c5c9903312f668956e [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" "4405717cbb2089ed2c3a573ee26de4202e8cb7ff94a092c5c9903312f668956e", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `character` [INFO] [stdout] --> src/parser.rs:25:7 [INFO] [stdout] | [INFO] [stdout] 25 | for character in source.chars() { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/token.rs:92:25 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn next(&mut self, source:&str, index:usize) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `match_character` [INFO] [stdout] --> src/token.rs:135:27 [INFO] [stdout] | [INFO] [stdout] 135 | fn match_keywords(&self, match_character:char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_match_character` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | let mut token_pool = self.token_pool(); [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/parser.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | let mut token = &mut token_pool[i]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | let mut token_pool = self.token_pool(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut token = &token_pool[i]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/token.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn new(token_type:String) -> Token { [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: `reset` [INFO] [stdout] --> src/token.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reset_keywords` [INFO] [stdout] --> src/token.rs:178:5 [INFO] [stdout] | [INFO] [stdout] 178 | fn reset_keywords(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `character` [INFO] [stdout] --> src/parser.rs:25:7 [INFO] [stdout] | [INFO] [stdout] 25 | for character in source.chars() { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/token.rs:92:25 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn next(&mut self, source:&str, index:usize) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `match_character` [INFO] [stdout] --> src/token.rs:135:27 [INFO] [stdout] | [INFO] [stdout] 135 | fn match_keywords(&self, match_character:char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_match_character` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:68:7 [INFO] [stdout] | [INFO] [stdout] 68 | let mut token_pool = self.token_pool(); [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/parser.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | let mut token = &mut token_pool[i]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | let mut token_pool = self.token_pool(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut token = &token_pool[i]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/token.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn new(token_type:String) -> Token { [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: `reset` [INFO] [stdout] --> src/token.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `reset_keywords` [INFO] [stdout] --> src/token.rs:178:5 [INFO] [stdout] | [INFO] [stdout] 178 | fn reset_keywords(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "4405717cbb2089ed2c3a573ee26de4202e8cb7ff94a092c5c9903312f668956e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4405717cbb2089ed2c3a573ee26de4202e8cb7ff94a092c5c9903312f668956e", kill_on_drop: false }` [INFO] [stdout] 4405717cbb2089ed2c3a573ee26de4202e8cb7ff94a092c5c9903312f668956e