[INFO] cloning repository https://github.com/JamesAC/crust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesAC/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesAC%2Fcrust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesAC%2Fcrust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f50464b3f03e443583fb267b2dc75ff8e8cd616 [INFO] checking JamesAC/crust against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesAC%2Fcrust" "/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/JamesAC/crust [INFO] finished tweaking git repo https://github.com/JamesAC/crust [INFO] tweaked toml for git repo https://github.com/JamesAC/crust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JamesAC/crust on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JamesAC/crust 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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking JamesAC/crust against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesAC%2Fcrust" "/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/JamesAC/crust [INFO] finished tweaking git repo https://github.com/JamesAC/crust [INFO] tweaked toml for git repo https://github.com/JamesAC/crust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JamesAC/crust on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JamesAC/crust 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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 926eb165ada964274551202c6a027bb50acf5300ce1ff8f8c458d1db85ca4b3e [INFO] running `Command { std: "docker" "start" "-a" "926eb165ada964274551202c6a027bb50acf5300ce1ff8f8c458d1db85ca4b3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "926eb165ada964274551202c6a027bb50acf5300ce1ff8f8c458d1db85ca4b3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "926eb165ada964274551202c6a027bb50acf5300ce1ff8f8c458d1db85ca4b3e", kill_on_drop: false }` [INFO] [stdout] 926eb165ada964274551202c6a027bb50acf5300ce1ff8f8c458d1db85ca4b3e [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bb345c6fd656db37263b0317a91714014c6cb10c80298604ce5aa60d3d9e777 [INFO] running `Command { std: "docker" "start" "-a" "5bb345c6fd656db37263b0317a91714014c6cb10c80298604ce5aa60d3d9e777", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.71 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.42 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Checking crust_grammar v0.1.0 (/opt/rustwide/workdir/crust_grammar) [INFO] [stderr] Checking crust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Expression` is never used [INFO] [stdout] --> src/ast.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Expression { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `accept` is never used [INFO] [stdout] --> src/ast.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Expression { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 24 | pub fn accept(&self, visitor: &dyn Visitor) -> CrustCoreResult { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Visitor` is never used [INFO] [stdout] --> src/ast.rs:29:11 [INFO] [stdout] | [INFO] [stdout] 29 | pub trait Visitor { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AstPrinter` is never constructed [INFO] [stdout] --> src/ast.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct AstPrinter; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CrustErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - IoError(io::Error), [INFO] [stdout] 8 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | CoreError(crust::util::CrustCoreErr), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CrustErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - CoreError(crust::util::CrustCoreErr), [INFO] [stdout] 9 + CoreError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CrustErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - IoError(io::Error), [INFO] [stdout] 8 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | CoreError(crust::util::CrustCoreErr), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CrustErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 - CoreError(crust::util::CrustCoreErr), [INFO] [stdout] 9 + CoreError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "5bb345c6fd656db37263b0317a91714014c6cb10c80298604ce5aa60d3d9e777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb345c6fd656db37263b0317a91714014c6cb10c80298604ce5aa60d3d9e777", kill_on_drop: false }` [INFO] [stdout] 5bb345c6fd656db37263b0317a91714014c6cb10c80298604ce5aa60d3d9e777