[INFO] cloning repository https://github.com/tetsuo-cpp/charm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetsuo-cpp/charm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuo-cpp%2Fcharm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuo-cpp%2Fcharm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f857bb35c53721e3c210d399d74a853eedb0e30 [INFO] checking tetsuo-cpp/charm against master#3f28fe133475ec5faf3413b556bf3cfb0d51336c for pr-112365-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuo-cpp%2Fcharm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tetsuo-cpp/charm on toolchain 3f28fe133475ec5faf3413b556bf3cfb0d51336c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f28fe133475ec5faf3413b556bf3cfb0d51336c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tetsuo-cpp/charm [INFO] finished tweaking git repo https://github.com/tetsuo-cpp/charm [INFO] tweaked toml for git repo https://github.com/tetsuo-cpp/charm written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tetsuo-cpp/charm 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" "+3f28fe133475ec5faf3413b556bf3cfb0d51336c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking tetsuo-cpp/charm against try#2eb702bf20a12c67e5629a5c82890c910c267bd9 for pr-112365-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuo-cpp%2Fcharm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tetsuo-cpp/charm on toolchain 2eb702bf20a12c67e5629a5c82890c910c267bd9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tetsuo-cpp/charm [INFO] finished tweaking git repo https://github.com/tetsuo-cpp/charm [INFO] tweaked toml for git repo https://github.com/tetsuo-cpp/charm written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tetsuo-cpp/charm 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" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6d00f3139a1a99028bb8b8585b53f822a8253fa6156b672d3f2ad1092b57672 [INFO] running `Command { std: "docker" "start" "-a" "c6d00f3139a1a99028bb8b8585b53f822a8253fa6156b672d3f2ad1092b57672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6d00f3139a1a99028bb8b8585b53f822a8253fa6156b672d3f2ad1092b57672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6d00f3139a1a99028bb8b8585b53f822a8253fa6156b672d3f2ad1092b57672", kill_on_drop: false }` [INFO] [stdout] c6d00f3139a1a99028bb8b8585b53f822a8253fa6156b672d3f2ad1092b57672 [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 343097fdb9ca485a148c8fdecdad3ba58bd8470bf43903dd0ffa2ccd100a4079 [INFO] running `Command { std: "docker" "start" "-a" "343097fdb9ca485a148c8fdecdad3ba58bd8470bf43903dd0ffa2ccd100a4079", kill_on_drop: false }` [INFO] [stderr] Checking charm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `If` and `BinOp` are never constructed [INFO] [stdout] --> src/lib.rs:416:5 [INFO] [stdout] | [INFO] [stdout] 415 | enum Ast<'a> { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] 416 | If(IfNode<'a>), [INFO] [stdout] | ^^ [INFO] [stdout] 417 | VarDecl(VarDeclNode<'a>), [INFO] [stdout] 418 | BinOp(BinOpNode<'a>), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `condition`, `then_block`, and `else_block` are never read [INFO] [stdout] --> src/lib.rs:422:5 [INFO] [stdout] | [INFO] [stdout] 421 | struct IfNode<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 422 | condition: Box>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 423 | then_block: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 424 | else_block: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `rhs` are never read [INFO] [stdout] --> src/lib.rs:428:5 [INFO] [stdout] | [INFO] [stdout] 427 | struct VarDeclNode<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 428 | name: &'a [u8], [INFO] [stdout] | ^^^^ [INFO] [stdout] 429 | rhs: Box>>, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op`, `lhs`, and `rhs` are never read [INFO] [stdout] --> src/lib.rs:433:5 [INFO] [stdout] | [INFO] [stdout] 432 | struct BinOpNode<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 433 | op: Token<'a>, [INFO] [stdout] | ^^ [INFO] [stdout] 434 | lhs: Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] 435 | rhs: Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `parse_expr`, `parse_addition`, and `parse_multiplication` are never used [INFO] [stdout] --> src/lib.rs:488:8 [INFO] [stdout] | [INFO] [stdout] 456 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 488 | fn parse_expr(&mut self) -> Result>, Box> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 492 | fn parse_addition(&mut self) -> Result>, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 510 | fn parse_multiplication(&mut self) -> Result>, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:402:13 [INFO] [stdout] | [INFO] [stdout] 402 | let mut lexer = Lexer::new(source); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `If` and `BinOp` are never constructed [INFO] [stdout] --> src/lib.rs:416:5 [INFO] [stdout] | [INFO] [stdout] 415 | enum Ast<'a> { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] 416 | If(IfNode<'a>), [INFO] [stdout] | ^^ [INFO] [stdout] 417 | VarDecl(VarDeclNode<'a>), [INFO] [stdout] 418 | BinOp(BinOpNode<'a>), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `condition`, `then_block`, and `else_block` are never read [INFO] [stdout] --> src/lib.rs:422:5 [INFO] [stdout] | [INFO] [stdout] 421 | struct IfNode<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 422 | condition: Box>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 423 | then_block: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 424 | else_block: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `rhs` are never read [INFO] [stdout] --> src/lib.rs:428:5 [INFO] [stdout] | [INFO] [stdout] 427 | struct VarDeclNode<'a> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 428 | name: &'a [u8], [INFO] [stdout] | ^^^^ [INFO] [stdout] 429 | rhs: Box>>, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op`, `lhs`, and `rhs` are never read [INFO] [stdout] --> src/lib.rs:433:5 [INFO] [stdout] | [INFO] [stdout] 432 | struct BinOpNode<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 433 | op: Token<'a>, [INFO] [stdout] | ^^ [INFO] [stdout] 434 | lhs: Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] 435 | rhs: Box>, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `parse_expr`, `parse_addition`, and `parse_multiplication` are never used [INFO] [stdout] --> src/lib.rs:488:8 [INFO] [stdout] | [INFO] [stdout] 456 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 488 | fn parse_expr(&mut self) -> Result>, Box> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 492 | fn parse_addition(&mut self) -> Result>, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 510 | fn parse_multiplication(&mut self) -> Result>, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/lib.rs:400:8 [INFO] [stdout] | [INFO] [stdout] 400 | fn parse<'a>(source: &'a str) -> Result>, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "343097fdb9ca485a148c8fdecdad3ba58bd8470bf43903dd0ffa2ccd100a4079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "343097fdb9ca485a148c8fdecdad3ba58bd8470bf43903dd0ffa2ccd100a4079", kill_on_drop: false }` [INFO] [stdout] 343097fdb9ca485a148c8fdecdad3ba58bd8470bf43903dd0ffa2ccd100a4079