[INFO] cloning repository https://github.com/puripuri2100/ralcu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puripuri2100/ralcu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuripuri2100%2Fralcu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuripuri2100%2Fralcu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cc8bed6b5f3a6c08dd270f77f5d08150a5ba1bc
[INFO] checking puripuri2100/ralcu against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuripuri2100%2Fralcu" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/puripuri2100/ralcu on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/puripuri2100/ralcu
[INFO] finished tweaking git repo https://github.com/puripuri2100/ralcu
[INFO] tweaked toml for git repo https://github.com/puripuri2100/ralcu written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/puripuri2100/ralcu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b8c10d9316a89e8894425c8981c4fa64c86de0b4741ff19277ef1992f23d656
[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" "0b8c10d9316a89e8894425c8981c4fa64c86de0b4741ff19277ef1992f23d656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8c10d9316a89e8894425c8981c4fa64c86de0b4741ff19277ef1992f23d656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8c10d9316a89e8894425c8981c4fa64c86de0b4741ff19277ef1992f23d656", kill_on_drop: false }`
[INFO] [stdout] 0b8c10d9316a89e8894425c8981c4fa64c86de0b4741ff19277ef1992f23d656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a355839a8a667597ab643e4c897e5205a2d19e772e6cdf745856aac8ba655d4
[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" "8a355839a8a667597ab643e4c897e5205a2d19e772e6cdf745856aac8ba655d4", kill_on_drop: false }`
[INFO] [stderr]     Checking ralcu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utast1`
[INFO] [stdout]   --> src/backend/primitive.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |     types::UntypedASTMain::Apply(utast1, utast2) => input.clone(), //primitives_fn(utast1, utast2),
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utast1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utast2`
[INFO] [stdout]   --> src/backend/primitive.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |     types::UntypedASTMain::Apply(utast1, utast2) => input.clone(), //primitives_fn(utast1, utast2),
[INFO] [stdout]    |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utast2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utastl`
[INFO] [stdout]    --> src/backend/primitive.rs:244:7
[INFO] [stdout]     |
[INFO] [stdout] 244 |   let utastl = apply(utastl);
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utastl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utastr`
[INFO] [stdout]    --> src/backend/primitive.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 |   let utastr = apply(utastr);
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utastr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `primitives_fn`
[INFO] [stdout]    --> src/backend/primitive.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn primitives_fn(utastl: &types::UntypedAST, utastr: &types::UntypedAST) -> types::UntypedAST {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utast1`
[INFO] [stdout]   --> src/backend/primitive.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |     types::UntypedASTMain::Apply(utast1, utast2) => input.clone(), //primitives_fn(utast1, utast2),
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utast1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utast2`
[INFO] [stdout]   --> src/backend/primitive.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |     types::UntypedASTMain::Apply(utast1, utast2) => input.clone(), //primitives_fn(utast1, utast2),
[INFO] [stdout]    |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utast2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utastl`
[INFO] [stdout]    --> src/backend/primitive.rs:244:7
[INFO] [stdout]     |
[INFO] [stdout] 244 |   let utastl = apply(utastl);
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utastl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `utastr`
[INFO] [stdout]    --> src/backend/primitive.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 |   let utastr = apply(utastr);
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_utastr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `primitives_fn`
[INFO] [stdout]    --> src/backend/primitive.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn primitives_fn(utastl: &types::UntypedAST, utastr: &types::UntypedAST) -> types::UntypedAST {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "8a355839a8a667597ab643e4c897e5205a2d19e772e6cdf745856aac8ba655d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a355839a8a667597ab643e4c897e5205a2d19e772e6cdf745856aac8ba655d4", kill_on_drop: false }`
[INFO] [stdout] 8a355839a8a667597ab643e4c897e5205a2d19e772e6cdf745856aac8ba655d4