[INFO] cloning repository https://github.com/PhotonQuantum/lq-broomsticks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhotonQuantum/lq-broomsticks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Flq-broomsticks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Flq-broomsticks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef858af09a1a89165964b43a81655979b560eae7
[INFO] checking PhotonQuantum/lq-broomsticks against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhotonQuantum%2Flq-broomsticks" "/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/PhotonQuantum/lq-broomsticks on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhotonQuantum/lq-broomsticks
[INFO] finished tweaking git repo https://github.com/PhotonQuantum/lq-broomsticks
[INFO] tweaked toml for git repo https://github.com/PhotonQuantum/lq-broomsticks written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/PhotonQuantum/lq-broomsticks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54d607e68922cad6f2768f9442484b3dfa6a2f5371f32160fab61f4a91a9452e
[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" "54d607e68922cad6f2768f9442484b3dfa6a2f5371f32160fab61f4a91a9452e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54d607e68922cad6f2768f9442484b3dfa6a2f5371f32160fab61f4a91a9452e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d607e68922cad6f2768f9442484b3dfa6a2f5371f32160fab61f4a91a9452e", kill_on_drop: false }`
[INFO] [stdout] 54d607e68922cad6f2768f9442484b3dfa6a2f5371f32160fab61f4a91a9452e
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7793ab9b67e2e1b1bf6ba367057a52e2da93b507a39b1b6762b7e6f9c7ed499
[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" "b7793ab9b67e2e1b1bf6ba367057a52e2da93b507a39b1b6762b7e6f9c7ed499", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking lq-lang-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/index/uid/reduce.rs:131:23
[INFO] [stdout]     |
[INFO] [stdout] 131 |         if let Abs(x, ty, e) = self {
[INFO] [stdout]     |                       ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/index/uid/reduce.rs:131:23
[INFO] [stdout]     |
[INFO] [stdout] 131 |         if let Abs(x, ty, e) = self {
[INFO] [stdout]     |                       ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CBV`
[INFO] [stdout]   --> src/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     CBV,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HSR`
[INFO] [stdout]   --> src/ast.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     HSR,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HNO`
[INFO] [stdout]   --> src/ast.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     HNO,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `abs`
[INFO] [stdout]   --> src/ast.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn abs<T: IdentType>(bound: T, ty: Ty<T>, term: Term<T>) -> Term<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `app`
[INFO] [stdout]   --> src/ast.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn app<T: IdentType>(lhs: Term<T>, rhs: Term<T>) -> Term<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CBV`
[INFO] [stdout]   --> src/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     CBV,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HSR`
[INFO] [stdout]   --> src/ast.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     HSR,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HNO`
[INFO] [stdout]   --> src/ast.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     HNO,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `abs`
[INFO] [stdout]   --> src/ast.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn abs<T: IdentType>(bound: T, ty: Ty<T>, term: Term<T>) -> Term<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `app`
[INFO] [stdout]   --> src/ast.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn app<T: IdentType>(lhs: Term<T>, rhs: Term<T>) -> Term<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.89s
[INFO] running `Command { std: "docker" "inspect" "b7793ab9b67e2e1b1bf6ba367057a52e2da93b507a39b1b6762b7e6f9c7ed499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7793ab9b67e2e1b1bf6ba367057a52e2da93b507a39b1b6762b7e6f9c7ed499", kill_on_drop: false }`
[INFO] [stdout] b7793ab9b67e2e1b1bf6ba367057a52e2da93b507a39b1b6762b7e6f9c7ed499