[INFO] cloning repository https://github.com/GabrielDertoni/yal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielDertoni/yal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Fyal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Fyal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eed0e282b42ffd703c4825f35f9e848c70ee7271
[INFO] checking GabrielDertoni/yal against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Fyal" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabrielDertoni/yal 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/GabrielDertoni/yal
[INFO] finished tweaking git repo https://github.com/GabrielDertoni/yal
[INFO] tweaked toml for git repo https://github.com/GabrielDertoni/yal written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielDertoni/yal 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 08295595c6814fa738cba6f48723277b011ac1d16a774c6d1e0c9f87d9f0c3ff
[INFO] running `Command { std: "docker" "start" "-a" "08295595c6814fa738cba6f48723277b011ac1d16a774c6d1e0c9f87d9f0c3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08295595c6814fa738cba6f48723277b011ac1d16a774c6d1e0c9f87d9f0c3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08295595c6814fa738cba6f48723277b011ac1d16a774c6d1e0c9f87d9f0c3ff", kill_on_drop: false }`
[INFO] [stdout] 08295595c6814fa738cba6f48723277b011ac1d16a774c6d1e0c9f87d9f0c3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 11a85c61b9b8f490ec3f1a09b0d45c4d74c3004e947da26920bb998119baa007
[INFO] running `Command { std: "docker" "start" "-a" "11a85c61b9b8f490ec3f1a09b0d45c4d74c3004e947da26920bb998119baa007", kill_on_drop: false }`
[INFO] [stderr]     Checking yal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `result_cloned` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(result_cloned)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_cloned` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(result_cloned)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cons` and `Nil` are never constructed
[INFO] [stdout]   --> src/ast.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum List {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 24 |     Cons(Box<SExpr>, Box<SExpr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `List` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol` is never used
[INFO] [stdout]   --> src/std_lib.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn symbol(s: impl ToString) -> RefVal {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cons` and `Nil` are never constructed
[INFO] [stdout]   --> src/ast.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum List {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 24 |     Cons(Box<SExpr>, Box<SExpr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 25 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `List` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol` is never used
[INFO] [stdout]   --> src/std_lib.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn symbol(s: impl ToString) -> RefVal {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "11a85c61b9b8f490ec3f1a09b0d45c4d74c3004e947da26920bb998119baa007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a85c61b9b8f490ec3f1a09b0d45c4d74c3004e947da26920bb998119baa007", kill_on_drop: false }`
[INFO] [stdout] 11a85c61b9b8f490ec3f1a09b0d45c4d74c3004e947da26920bb998119baa007