[INFO] cloning repository https://github.com/wjlewis/lammy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wjlewis/lammy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flammy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flammy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40c12e077781d5b52b952faa15bcc3061eb8cd97 [INFO] checking wjlewis/lammy against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flammy" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wjlewis/lammy on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wjlewis/lammy [INFO] finished tweaking git repo https://github.com/wjlewis/lammy [INFO] tweaked toml for git repo https://github.com/wjlewis/lammy written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/wjlewis/lammy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c3003eb5185d837be3313b095f1def8e0e791f0ee2d4da00d5486f1a9e91abfd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c3003eb5185d837be3313b095f1def8e0e791f0ee2d4da00d5486f1a9e91abfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3003eb5185d837be3313b095f1def8e0e791f0ee2d4da00d5486f1a9e91abfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3003eb5185d837be3313b095f1def8e0e791f0ee2d4da00d5486f1a9e91abfd", kill_on_drop: false }` [INFO] [stdout] c3003eb5185d837be3313b095f1def8e0e791f0ee2d4da00d5486f1a9e91abfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f20985921df9ee94e3e92e65706b3aefa63a1f5c537e15c52df42513c95a69e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4f20985921df9ee94e3e92e65706b3aefa63a1f5c537e15c52df42513c95a69e", kill_on_drop: false }` [INFO] [stderr] Checking lammy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Index` [INFO] [stdout] --> src/terms/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Index(usize), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Abs` [INFO] [stdout] --> src/terms/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Abs { body: Term }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `App` [INFO] [stdout] --> src/terms/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | App { rator: Term, rand: Term }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `subst_in` [INFO] [stdout] --> src/terms/mod.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn subst_in(&self, term: Term, index: usize) -> Term { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `shift_free` [INFO] [stdout] --> src/terms/mod.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn shift_free(&self, amt: isize) -> Term { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `parse_alias_def`, `parse_import`, `parse_term`, `parse_terms` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | parse_alias_def, parse_import, parse_module, parse_term, parse_terms, Lexer, TreeBuilder, [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `parse_alias_def`, `parse_import`, `parse_term`, `parse_terms` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | parse_alias_def, parse_import, parse_module, parse_term, parse_terms, Lexer, TreeBuilder, [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "4f20985921df9ee94e3e92e65706b3aefa63a1f5c537e15c52df42513c95a69e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f20985921df9ee94e3e92e65706b3aefa63a1f5c537e15c52df42513c95a69e", kill_on_drop: false }` [INFO] [stdout] 4f20985921df9ee94e3e92e65706b3aefa63a1f5c537e15c52df42513c95a69e