[INFO] cloning repository https://github.com/categulario/rust_shell [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/categulario/rust_shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcategulario%2Frust_shell", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcategulario%2Frust_shell'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78ee7701c4317f270ce3336731b9536f131df7d0 [INFO] building categulario/rust_shell against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcategulario%2Frust_shell" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/categulario/rust_shell on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/categulario/rust_shell [INFO] finished tweaking git repo https://github.com/categulario/rust_shell [INFO] tweaked toml for git repo https://github.com/categulario/rust_shell written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/categulario/rust_shell 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dirs v1.0.4 [INFO] [stderr] Downloaded redox_users v0.2.0 [INFO] [stderr] Downloaded failure_derive v0.1.3 [INFO] [stderr] Downloaded syn v0.15.14 [INFO] [stderr] Downloaded synstructure v0.10.0 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1cf9c3810c7a26cb6c0029aebca0ffd78962184b21b28f49f241c566d3bca669 [INFO] running `Command { std: "docker" "start" "-a" "1cf9c3810c7a26cb6c0029aebca0ffd78962184b21b28f49f241c566d3bca669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cf9c3810c7a26cb6c0029aebca0ffd78962184b21b28f49f241c566d3bca669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cf9c3810c7a26cb6c0029aebca0ffd78962184b21b28f49f241c566d3bca669", kill_on_drop: false }` [INFO] [stdout] 1cf9c3810c7a26cb6c0029aebca0ffd78962184b21b28f49f241c566d3bca669 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e49786d7efed838256151b87fa222b7dfd159d2334dd2b79d635d39605036e9e [INFO] running `Command { std: "docker" "start" "-a" "e49786d7efed838256151b87fa222b7dfd159d2334dd2b79d635d39605036e9e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling dirs v1.0.4 [INFO] [stderr] Compiling rust_shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/parser.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 6 | Word(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | DoubleQuotedString(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | SingleQuotedString(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | Or, [INFO] [stdout] | ^^ [INFO] [stdout] 10 | And, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Parenthesis(char), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | Pipe, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Semicolon, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `UnterminatedQuote`, `IncompleteAnd`, and `InvalidCharacter` are never constructed [INFO] [stdout] --> src/parser.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum ParseError { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 18 | UnterminatedQuote, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 19 | IncompleteAnd, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 20 | InvalidCharacter, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_word` is never used [INFO] [stdout] --> src/parser.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn is_word(c: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_word` is never used [INFO] [stdout] --> src/parser.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_word>(iter: &mut Peekable) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_double_quoted_string` is never used [INFO] [stdout] --> src/parser.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn get_double_quoted_string>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_single_quoted_string` is never used [INFO] [stdout] --> src/parser.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn get_single_quoted_string>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_and` is never used [INFO] [stdout] --> src/parser.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn get_and>(iter: &mut Peekable) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_or_pipe` is never used [INFO] [stdout] --> src/parser.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn get_or_pipe>(iter: &mut Peekable) -> TokenType { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/parser.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn parse(line: &String) -> Result, ParseError> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InvalidCmdStart` and `MismatchedParenthesis` are never constructed [INFO] [stdout] --> src/tree.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum GrammarError { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 6 | InvalidCmdStart, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | MismatchedParenthesis, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GrammarError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FromTokens` is never used [INFO] [stdout] --> src/tree.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | trait FromTokens { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `ProgCall`, `Parenthesis`, and `Empty` are never constructed [INFO] [stdout] --> src/tree.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum CallExprOptions { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 18 | ProgCall(TokenType, Vec), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 19 | Parenthesis(Box), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 20 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CallExprOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SingleExpr` and `Or` are never constructed [INFO] [stdout] --> src/tree.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 83 | pub enum OrExprOptions { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 84 | SingleExpr(CallExpr), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 85 | Or(CallExpr, Box), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `OrExprOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SingleExpr` and `And` are never constructed [INFO] [stdout] --> src/tree.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 115 | pub enum AndExprOptions { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 116 | SingleExpr(OrExpr), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 117 | And(OrExpr, Box), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AndExprOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SingleExpr` and `Semicolon` are never constructed [INFO] [stdout] --> src/tree.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 147 | pub enum SemicolonExprOptions { [INFO] [stdout] | -------------------- variants in this enum [INFO] [stdout] 148 | SingleExpr(AndExpr), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 149 | Semicolon(AndExpr, Box), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SemicolonExprOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | process::receive_command(&mut buf.split_whitespace().collect()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = process::receive_command(&mut buf.split_whitespace().collect()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "e49786d7efed838256151b87fa222b7dfd159d2334dd2b79d635d39605036e9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e49786d7efed838256151b87fa222b7dfd159d2334dd2b79d635d39605036e9e", kill_on_drop: false }` [INFO] [stdout] e49786d7efed838256151b87fa222b7dfd159d2334dd2b79d635d39605036e9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6bffc5ee52355bbe912022e0a7cb245e50bf7e3db16b7e1d85206fd34f9e6de3 [INFO] running `Command { std: "docker" "start" "-a" "6bffc5ee52355bbe912022e0a7cb245e50bf7e3db16b7e1d85206fd34f9e6de3", kill_on_drop: false }` [INFO] [stderr] Compiling rust_shell v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | process::receive_command(&mut buf.split_whitespace().collect()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = process::receive_command(&mut buf.split_whitespace().collect()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "6bffc5ee52355bbe912022e0a7cb245e50bf7e3db16b7e1d85206fd34f9e6de3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bffc5ee52355bbe912022e0a7cb245e50bf7e3db16b7e1d85206fd34f9e6de3", kill_on_drop: false }` [INFO] [stdout] 6bffc5ee52355bbe912022e0a7cb245e50bf7e3db16b7e1d85206fd34f9e6de3