[INFO] cloning repository https://github.com/JulioDeLeon/rot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JulioDeLeon/rot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulioDeLeon%2Frot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulioDeLeon%2Frot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 83c75df8577e8b559e4104b28eae1814134764c7 [INFO] checking JulioDeLeon/rot against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulioDeLeon%2Frot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/JulioDeLeon/rot [INFO] finished tweaking git repo https://github.com/JulioDeLeon/rot [INFO] tweaked toml for git repo https://github.com/JulioDeLeon/rot written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JulioDeLeon/rot on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JulioDeLeon/rot 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b3ca141266d48990031491745417ac26af8c4ec2096ef99a11345d451e6c4de [INFO] running `Command { std: "docker" "start" "-a" "1b3ca141266d48990031491745417ac26af8c4ec2096ef99a11345d451e6c4de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b3ca141266d48990031491745417ac26af8c4ec2096ef99a11345d451e6c4de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b3ca141266d48990031491745417ac26af8c4ec2096ef99a11345d451e6c4de", kill_on_drop: false }` [INFO] [stdout] 1b3ca141266d48990031491745417ac26af8c4ec2096ef99a11345d451e6c4de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9678ea22ee7fd33801b6ce37c5bef29d31d1003463e3d4eca32801f75c3e7f77 [INFO] running `Command { std: "docker" "start" "-a" "9678ea22ee7fd33801b6ce37c5bef29d31d1003463e3d4eca32801f75c3e7f77", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking rot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `MultiLnStringEval` and `MultiLnCommentEval` are never constructed [INFO] [stdout] --> src/lexer/lexer.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 9 | enum LexerState { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | MultiLnStringEval, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | MultiLnCommentEval, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LexerState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser/parser.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `parse` are never used [INFO] [stdout] --> src/parser/parser.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Parser { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 8 | pub fn new(lexemes: Vec) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn parse() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer/token.rs:199:21 [INFO] [stdout] | [INFO] [stdout] 199 | lexeme: text.parse().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `MultiLnStringEval` and `MultiLnCommentEval` are never constructed [INFO] [stdout] --> src/lexer/lexer.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 9 | enum LexerState { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | MultiLnStringEval, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | MultiLnCommentEval, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LexerState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser/parser.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `parse` are never used [INFO] [stdout] --> src/parser/parser.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Parser { [INFO] [stdout] | ----------- associated functions in this implementation [INFO] [stdout] 8 | pub fn new(lexemes: Vec) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn parse() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rot` (lib test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lexer/token.rs:199:21 [INFO] [stdout] | [INFO] [stdout] 199 | lexeme: text.parse().unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rot` (lib) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9678ea22ee7fd33801b6ce37c5bef29d31d1003463e3d4eca32801f75c3e7f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9678ea22ee7fd33801b6ce37c5bef29d31d1003463e3d4eca32801f75c3e7f77", kill_on_drop: false }` [INFO] [stdout] 9678ea22ee7fd33801b6ce37c5bef29d31d1003463e3d4eca32801f75c3e7f77