[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] building luisvgs/pure against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisvgs%2Fpure" "/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/luisvgs/pure on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-4-tc1/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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.1
[INFO] [stderr]   Downloaded tinyvec v1.6.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded base64 v0.13.1
[INFO] [stderr]   Downloaded minimal-lexical v0.2.1
[INFO] [stderr]   Downloaded nom v7.1.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.22
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded syn v2.0.22
[INFO] [stderr]   Downloaded mortal v0.2.4
[INFO] [stderr]   Downloaded linefeed v0.6.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.16
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] [stderr]   Downloaded bitflags v2.3.2
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded redox_users v0.4.3
[INFO] [stderr]   Downloaded dirs-sys v0.3.7
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded phf_generator v0.11.2
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded phf_codegen v0.11.2
[INFO] [stderr]   Downloaded phf v0.11.2
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded phf_shared v0.11.2
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded terminfo v0.8.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae39d59545f9610a76c9e28ef6d726ee5ce9250d9758af8ae22926ed76ac2b75
[INFO] running `Command { std: "docker" "start" "-a" "ae39d59545f9610a76c9e28ef6d726ee5ce9250d9758af8ae22926ed76ac2b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae39d59545f9610a76c9e28ef6d726ee5ce9250d9758af8ae22926ed76ac2b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae39d59545f9610a76c9e28ef6d726ee5ce9250d9758af8ae22926ed76ac2b75", kill_on_drop: false }`
[INFO] [stdout] ae39d59545f9610a76c9e28ef6d726ee5ce9250d9758af8ae22926ed76ac2b75
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f882a3a551b9451d7122489524d1506e05dd39d5fbdbf50d7b6843e2e996b99
[INFO] running `Command { std: "docker" "start" "-a" "5f882a3a551b9451d7122489524d1506e05dd39d5fbdbf50d7b6843e2e996b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling bitflags v2.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling terminfo v0.8.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling mortal v0.2.4
[INFO] [stderr]    Compiling linefeed v0.6.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "5f882a3a551b9451d7122489524d1506e05dd39d5fbdbf50d7b6843e2e996b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f882a3a551b9451d7122489524d1506e05dd39d5fbdbf50d7b6843e2e996b99", kill_on_drop: false }`
[INFO] [stdout] 5f882a3a551b9451d7122489524d1506e05dd39d5fbdbf50d7b6843e2e996b99
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c9021844ea41ae1bef05b12d3181db76ee7b6c33379314f46182a1afd69f6d6
[INFO] running `Command { std: "docker" "start" "-a" "2c9021844ea41ae1bef05b12d3181db76ee7b6c33379314f46182a1afd69f6d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "2c9021844ea41ae1bef05b12d3181db76ee7b6c33379314f46182a1afd69f6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9021844ea41ae1bef05b12d3181db76ee7b6c33379314f46182a1afd69f6d6", kill_on_drop: false }`
[INFO] [stdout] 2c9021844ea41ae1bef05b12d3181db76ee7b6c33379314f46182a1afd69f6d6
