[INFO] cloning repository https://github.com/dowdiness/rust-tiny-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dowdiness/rust-tiny-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdiness%2Frust-tiny-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdiness%2Frust-tiny-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2330ccd3d119c342c4a0e4774d3565765b00d397 [INFO] checking dowdiness/rust-tiny-compiler against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdiness%2Frust-tiny-compiler" "/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/dowdiness/rust-tiny-compiler on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dowdiness/rust-tiny-compiler [INFO] finished tweaking git repo https://github.com/dowdiness/rust-tiny-compiler [INFO] tweaked toml for git repo https://github.com/dowdiness/rust-tiny-compiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dowdiness/rust-tiny-compiler 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 299e065fa01529a000e02a637efd13544c489818aac39f367987283621452d1d [INFO] running `Command { std: "docker" "start" "-a" "299e065fa01529a000e02a637efd13544c489818aac39f367987283621452d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "299e065fa01529a000e02a637efd13544c489818aac39f367987283621452d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "299e065fa01529a000e02a637efd13544c489818aac39f367987283621452d1d", kill_on_drop: false }` [INFO] [stdout] 299e065fa01529a000e02a637efd13544c489818aac39f367987283621452d1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50abd6de4fca94ffdb1ab6e11a6a6c0a097f18ef18396b00702a54dbbd16ecd4 [INFO] running `Command { std: "docker" "start" "-a" "50abd6de4fca94ffdb1ab6e11a6a6c0a097f18ef18396b00702a54dbbd16ecd4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rust-tiny-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `type`, `name`, and `value` are never read [INFO] [stdout] --> src/parser.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct AstNode { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 13 | r#type: AstType, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | name: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AstNode` 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: field `type` is never read [INFO] [stdout] --> src/parser.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Ast { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 21 | r#type: AstType, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `type`, `name`, and `value` are never read [INFO] [stdout] --> src/parser.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct AstNode { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 13 | r#type: AstType, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | name: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AstNode` 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: field `type` is never read [INFO] [stdout] --> src/parser.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Ast { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 21 | r#type: AstType, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "50abd6de4fca94ffdb1ab6e11a6a6c0a097f18ef18396b00702a54dbbd16ecd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50abd6de4fca94ffdb1ab6e11a6a6c0a097f18ef18396b00702a54dbbd16ecd4", kill_on_drop: false }` [INFO] [stdout] 50abd6de4fca94ffdb1ab6e11a6a6c0a097f18ef18396b00702a54dbbd16ecd4