[INFO] cloning repository https://github.com/glazari/mylang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glazari/mylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Fmylang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Fmylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c64bd07597ef2ef79d4c75a5969574f786c10421
[INFO] checking glazari/mylang against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Fmylang" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glazari/mylang on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glazari/mylang
[INFO] finished tweaking git repo https://github.com/glazari/mylang
[INFO] tweaked toml for git repo https://github.com/glazari/mylang written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/glazari/mylang 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17ec647430a7c7de655bcedbd93582674ef198970143202f6f6395d0cdfc11b9
[INFO] running `Command { std: "docker" "start" "-a" "17ec647430a7c7de655bcedbd93582674ef198970143202f6f6395d0cdfc11b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ec647430a7c7de655bcedbd93582674ef198970143202f6f6395d0cdfc11b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ec647430a7c7de655bcedbd93582674ef198970143202f6f6395d0cdfc11b9", kill_on_drop: false }`
[INFO] [stdout] 17ec647430a7c7de655bcedbd93582674ef198970143202f6f6395d0cdfc11b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 592d408f6ea6a166d5bd23a7134fe0bde034459b2f9a92338a9a643e32738d5a
[INFO] running `Command { std: "docker" "start" "-a" "592d408f6ea6a166d5bd23a7134fe0bde034459b2f9a92338a9a643e32738d5a", kill_on_drop: false }`
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking mylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stdout] warning: method `fi` is never used
[INFO] [stdout]    --> src/ast.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl Statement {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 154 |     pub fn fi(&self) -> FI {
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Prefix` is never constructed
[INFO] [stdout]    --> src/parser.rs:460:5
[INFO] [stdout]     |
[INFO] [stdout] 455 | enum Precedence {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 460 |     Prefix,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Precedence` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fi` is never used
[INFO] [stdout]    --> src/ast.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl Statement {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 154 |     pub fn fi(&self) -> FI {
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Prefix` is never constructed
[INFO] [stdout]    --> src/parser.rs:460:5
[INFO] [stdout]     |
[INFO] [stdout] 455 | enum Precedence {
[INFO] [stdout]     |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 460 |     Prefix,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Precedence` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "592d408f6ea6a166d5bd23a7134fe0bde034459b2f9a92338a9a643e32738d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592d408f6ea6a166d5bd23a7134fe0bde034459b2f9a92338a9a643e32738d5a", kill_on_drop: false }`
[INFO] [stdout] 592d408f6ea6a166d5bd23a7134fe0bde034459b2f9a92338a9a643e32738d5a