[INFO] cloning repository https://github.com/learningstud/calc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learningstud/calc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearningstud%2Fcalc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearningstud%2Fcalc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56f1449a927ec4b8762c9f9c83d8cced26d5d1d9
[INFO] checking learningstud/calc-rust against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearningstud%2Fcalc-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learningstud/calc-rust on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learningstud/calc-rust
[INFO] finished tweaking git repo https://github.com/learningstud/calc-rust
[INFO] tweaked toml for git repo https://github.com/learningstud/calc-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/learningstud/calc-rust 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/ad315d13e9bd4e550fc851aa6c2f276cf34110df28776332b4127cc6cea9a384-init: no space left on device
[INFO] checking learningstud/calc-rust against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearningstud%2Fcalc-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learningstud/calc-rust on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learningstud/calc-rust
[INFO] finished tweaking git repo https://github.com/learningstud/calc-rust
[INFO] tweaked toml for git repo https://github.com/learningstud/calc-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/learningstud/calc-rust 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/91c9d0f89ac55581c8223bf6a48468055b218ee3a961688baf097ba1acdb328b-init/merged/dev/pts: no space left on device
[INFO] checking learningstud/calc-rust against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearningstud%2Fcalc-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learningstud/calc-rust on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learningstud/calc-rust
[INFO] finished tweaking git repo https://github.com/learningstud/calc-rust
[INFO] tweaked toml for git repo https://github.com/learningstud/calc-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/learningstud/calc-rust 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e9e0ad2ebd668abe33ad3c8c4d23fd5c809114673891f73cb902b8d76e5c8fe
[INFO] running `Command { std: "docker" "start" "-a" "2e9e0ad2ebd668abe33ad3c8c4d23fd5c809114673891f73cb902b8d76e5c8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9e0ad2ebd668abe33ad3c8c4d23fd5c809114673891f73cb902b8d76e5c8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9e0ad2ebd668abe33ad3c8c4d23fd5c809114673891f73cb902b8d76e5c8fe", kill_on_drop: false }`
[INFO] [stdout] 2e9e0ad2ebd668abe33ad3c8c4d23fd5c809114673891f73cb902b8d76e5c8fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf914617b3bc0c407a5255d7f26db1e1184706b1c19408edd8d4a8a11b98b650
[INFO] running `Command { std: "docker" "start" "-a" "cf914617b3bc0c407a5255d7f26db1e1184706b1c19408edd8d4a8a11b98b650", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking calc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]  --> src/itt/kernel.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Context;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]  --> src/itt/kernel.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Context;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Term` is never used
[INFO] [stdout]  --> src/itt/kernel.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Term<Type: Term<Universe>> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Universe` is never constructed
[INFO] [stdout]  --> src/itt/kernel/universe.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Universe(usize);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `level`, `succ`, `max`, and `imax` are never used
[INFO] [stdout]   --> src/itt/kernel/universe.rs:3:8
[INFO] [stdout]    |
[INFO] [stdout] 2  | impl Universe {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 3  |     fn level(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6  |     fn succ(&self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9  |     fn max(u: &Universe, v: &Universe) -> Universe {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn imax(u: &Universe, v: &Universe) -> Universe {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Judgement` is never used
[INFO] [stdout]   --> src/itt/kernel2.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 | enum Judgement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equality` is never constructed
[INFO] [stdout]    --> src/itt/kernel2.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Equality(Term, Term, Type);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Term` is never used
[INFO] [stdout]  --> src/itt/kernel.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Term<Type: Term<Universe>> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Universe` is never constructed
[INFO] [stdout]  --> src/itt/kernel/universe.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Universe(usize);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `level`, `succ`, `max`, and `imax` are never used
[INFO] [stdout]   --> src/itt/kernel/universe.rs:3:8
[INFO] [stdout]    |
[INFO] [stdout] 2  | impl Universe {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 3  |     fn level(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6  |     fn succ(&self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9  |     fn max(u: &Universe, v: &Universe) -> Universe {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn imax(u: &Universe, v: &Universe) -> Universe {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Judgement` is never used
[INFO] [stdout]   --> src/itt/kernel2.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 | enum Judgement<'a> {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equality` is never constructed
[INFO] [stdout]    --> src/itt/kernel2.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Equality(Term, Term, Type);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:286:48
[INFO] [stdout]     |
[INFO] [stdout] 286 | ...                   new.right.push(term.clone());
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:296:59
[INFO] [stdout]     |
[INFO] [stdout] 296 | ...                   new.left[index] = left.clone();
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:301:60
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   new.left[index] = right.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:311:51
[INFO] [stdout]     |
[INFO] [stdout] 311 | ...                   new.left[index] = left.clone();
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:316:52
[INFO] [stdout]     |
[INFO] [stdout] 316 | ...                   new.left[index] = right.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:351:47
[INFO] [stdout]     |
[INFO] [stdout] 351 | ...                   new.left.push(term.clone());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:361:60
[INFO] [stdout]     |
[INFO] [stdout] 361 | ...                   new.right[index] = left.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:366:61
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   new.right[index] = right.clone();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:376:52
[INFO] [stdout]     |
[INFO] [stdout] 376 | ...                   new.right[index] = left.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:381:53
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   new.right[index] = right.clone();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:389:47
[INFO] [stdout]     |
[INFO] [stdout] 389 | ...                   new.left.push(left.clone());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:390:53
[INFO] [stdout]     |
[INFO] [stdout] 390 | ...                   new.right[index] = right.clone();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:286:48
[INFO] [stdout]     |
[INFO] [stdout] 286 | ...                   new.right.push(term.clone());
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:296:59
[INFO] [stdout]     |
[INFO] [stdout] 296 | ...                   new.left[index] = left.clone();
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:301:60
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   new.left[index] = right.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:311:51
[INFO] [stdout]     |
[INFO] [stdout] 311 | ...                   new.left[index] = left.clone();
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:316:52
[INFO] [stdout]     |
[INFO] [stdout] 316 | ...                   new.left[index] = right.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:351:47
[INFO] [stdout]     |
[INFO] [stdout] 351 | ...                   new.left.push(term.clone());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:361:60
[INFO] [stdout]     |
[INFO] [stdout] 361 | ...                   new.right[index] = left.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:366:61
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   new.right[index] = right.clone();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:376:52
[INFO] [stdout]     |
[INFO] [stdout] 376 | ...                   new.right[index] = left.clone();
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:381:53
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   new.right[index] = right.clone();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:389:47
[INFO] [stdout]     |
[INFO] [stdout] 389 | ...                   new.left.push(left.clone());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&kernel::Term<'_>` instead of cloning the inner type
[INFO] [stdout]    --> src/main.rs:390:53
[INFO] [stdout]     |
[INFO] [stdout] 390 | ...                   new.right[index] = right.clone();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "cf914617b3bc0c407a5255d7f26db1e1184706b1c19408edd8d4a8a11b98b650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf914617b3bc0c407a5255d7f26db1e1184706b1c19408edd8d4a8a11b98b650", kill_on_drop: false }`
[INFO] [stdout] cf914617b3bc0c407a5255d7f26db1e1184706b1c19408edd8d4a8a11b98b650