[INFO] cloning repository https://github.com/avirshup/lisp_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avirshup/lisp_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favirshup%2Flisp_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favirshup%2Flisp_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bd535a15c345ea76e91298cc4cf62ca071f3d4c
[INFO] checking avirshup/lisp_playground against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favirshup%2Flisp_playground" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/avirshup/lisp_playground
[INFO] finished tweaking git repo https://github.com/avirshup/lisp_playground
[INFO] tweaked toml for git repo https://github.com/avirshup/lisp_playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/avirshup/lisp_playground on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/avirshup/lisp_playground 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722ca20c43cda5a4a69beca351dc1e5af11eb87e5681a1e1688f89bd1c75ced5
[INFO] running `Command { std: "docker" "start" "-a" "722ca20c43cda5a4a69beca351dc1e5af11eb87e5681a1e1688f89bd1c75ced5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722ca20c43cda5a4a69beca351dc1e5af11eb87e5681a1e1688f89bd1c75ced5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722ca20c43cda5a4a69beca351dc1e5af11eb87e5681a1e1688f89bd1c75ced5", kill_on_drop: false }`
[INFO] [stdout] 722ca20c43cda5a4a69beca351dc1e5af11eb87e5681a1e1688f89bd1c75ced5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dcb3ba7b3f920254012402b87a5e505554f493c26002e73f1d1721e292118d0
[INFO] running `Command { std: "docker" "start" "-a" "7dcb3ba7b3f920254012402b87a5e505554f493c26002e73f1d1721e292118d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking litrs v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stderr]     Checking rustyline v12.0.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking lisp_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/repl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/scope.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::ast::{Expr, SExpr, Var};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/repl.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/scope.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::ast::{Expr, SExpr, Var};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `TypeInfo` is never constructed
[INFO] [stdout]   --> src/ast/records.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct TypeInfo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Object` is never constructed
[INFO] [stdout]   --> src/ast/records.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Object {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `typeinfo`, `metadata`, and `data` are never read
[INFO] [stdout]   --> src/ast/records.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Object {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 39 |     typeinfo: Rc<TypeInfo>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     metadata: Mapping,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 41 |     data: Mapping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IfFormBuilder` is never constructed
[INFO] [stdout]   --> src/builtins/special_forms.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(super) struct IfFormBuilder;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/ast/callables.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub eval: fn(&SExpr, &mut Scope) -> EResult<Var>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/ast/callables.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub bind_outer_scope: fn(&SExpr, &Scope, &mut Scope) -> EResult<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/ast/callables.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |     Builtin(fn(&SExpr) -> EResult<Var>),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `TypeInfo` is never constructed
[INFO] [stdout]   --> src/ast/records.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct TypeInfo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Object` is never constructed
[INFO] [stdout]   --> src/ast/records.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Object {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `typeinfo`, `metadata`, and `data` are never read
[INFO] [stdout]   --> src/ast/records.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Object {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 39 |     typeinfo: Rc<TypeInfo>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     metadata: Mapping,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 41 |     data: Mapping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IfFormBuilder` is never constructed
[INFO] [stdout]   --> src/builtins/special_forms.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(super) struct IfFormBuilder;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/ast/callables.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub eval: fn(&SExpr, &mut Scope) -> EResult<Var>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/ast/callables.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub bind_outer_scope: fn(&SExpr, &Scope, &mut Scope) -> EResult<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/ast/callables.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 61 |     Builtin(fn(&SExpr) -> EResult<Var>),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisp_playground` (lib) due to 2 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lisp_playground` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7dcb3ba7b3f920254012402b87a5e505554f493c26002e73f1d1721e292118d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcb3ba7b3f920254012402b87a5e505554f493c26002e73f1d1721e292118d0", kill_on_drop: false }`
[INFO] [stdout] 7dcb3ba7b3f920254012402b87a5e505554f493c26002e73f1d1721e292118d0
