[INFO] cloning repository https://github.com/luisvgs/pure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luisvgs/pure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisvgs%2Fpure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisvgs%2Fpure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a7df373b13e9c555cbc53985087693066a1db61
[INFO] checking luisvgs/pure against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisvgs%2Fpure" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luisvgs/pure on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luisvgs/pure
[INFO] finished tweaking git repo https://github.com/luisvgs/pure
[INFO] tweaked toml for git repo https://github.com/luisvgs/pure written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luisvgs/pure 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e9ec87b0f6ed17dff29d6bece3986a6363e8a8f2d310db9de55e667a8239249
[INFO] running `Command { std: "docker" "start" "-a" "3e9ec87b0f6ed17dff29d6bece3986a6363e8a8f2d310db9de55e667a8239249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9ec87b0f6ed17dff29d6bece3986a6363e8a8f2d310db9de55e667a8239249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9ec87b0f6ed17dff29d6bece3986a6363e8a8f2d310db9de55e667a8239249", kill_on_drop: false }`
[INFO] [stdout] 3e9ec87b0f6ed17dff29d6bece3986a6363e8a8f2d310db9de55e667a8239249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+334963c956d25708feab489a3816ae63f639355d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c9c58394e6bb46427ab1b060d28137fbf288cf5ccc8307b2995bdefd8d56b5
[INFO] running `Command { std: "docker" "start" "-a" "c6c9c58394e6bb46427ab1b060d28137fbf288cf5ccc8307b2995bdefd8d56b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bitflags v2.3.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling terminfo v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking mortal v0.2.4
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking pure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/eval.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub fn eval_quote(list: &Vec<Expr>, env: &mut Rc<RefCell<Env>>) -> Result<Expr, String> {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]  --> src/env.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Env {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 7 |     pub parent: Option<Rc<RefCell<Env>>>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Env` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/eval.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub fn eval_quote(list: &Vec<Expr>, env: &mut Rc<RefCell<Env>>) -> Result<Expr, String> {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]  --> src/env.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Env {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 7 |     pub parent: Option<Rc<RefCell<Env>>>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Env` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.54s
[INFO] running `Command { std: "docker" "inspect" "c6c9c58394e6bb46427ab1b060d28137fbf288cf5ccc8307b2995bdefd8d56b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c9c58394e6bb46427ab1b060d28137fbf288cf5ccc8307b2995bdefd8d56b5", kill_on_drop: false }`
[INFO] [stdout] c6c9c58394e6bb46427ab1b060d28137fbf288cf5ccc8307b2995bdefd8d56b5
