[INFO] updating cached repository https://github.com/cpcloud/scrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/cpcloud/scrust
[INFO] [stderr]    1c557cf..85bb6b3  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85bb6b324bb2997d48f9aec0bf0e6ac5e86fc56e
[INFO] checking cpcloud/scrust against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpcloud%2Fscrust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cpcloud/scrust on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cpcloud/scrust
[INFO] finished tweaking git repo https://github.com/cpcloud/scrust
[INFO] tweaked toml for git repo https://github.com/cpcloud/scrust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cpcloud/scrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9b60afebc4ccdff74f799b6e2d8ced92a4c57bd0b60f56997c0813e40b3211c
[INFO] running `"docker" "start" "-a" "a9b60afebc4ccdff74f799b6e2d8ced92a4c57bd0b60f56997c0813e40b3211c"`
[INFO] [stderr]     Checking scrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:253:1
[INFO] [stderr]     |
[INFO] [stderr] 253 | / macro_rules! int {
[INFO] [stderr] 254 | |     [$value:expr] => {
[INFO] [stderr] 255 | |         Value::Integer($value)
[INFO] [stderr] 256 | |     }
[INFO] [stderr] 257 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:259:1
[INFO] [stderr]     |
[INFO] [stderr] 259 | / macro_rules! sym {
[INFO] [stderr] 260 | |     [$value:expr] => {
[INFO] [stderr] 261 | |         Value::Symbol($value.to_string())
[INFO] [stderr] 262 | |     }
[INFO] [stderr] 263 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:265:1
[INFO] [stderr]     |
[INFO] [stderr] 265 | / macro_rules! list {
[INFO] [stderr] 266 | |     [$($value:expr),*] => { List::from_vec(vec![$($value,)*]).as_value() }
[INFO] [stderr] 267 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | / macro_rules! spec {
[INFO] [stderr] 270 | |     [$value:ident] => { Value::SpecialForm(SpecialForm::$value) }
[INFO] [stderr] 271 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:273:1
[INFO] [stderr]     |
[INFO] [stderr] 273 | / macro_rules! bool_ {
[INFO] [stderr] 274 | |     [$value:expr] => { Value::Boolean($value) }
[INFO] [stderr] 275 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | / macro_rules! spec {
[INFO] [stderr] 270 | |     [$value:ident] => { Value::SpecialForm(SpecialForm::$value) }
[INFO] [stderr] 271 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:273:1
[INFO] [stderr]     |
[INFO] [stderr] 273 | / macro_rules! bool_ {
[INFO] [stderr] 274 | |     [$value:expr] => { Value::Boolean($value) }
[INFO] [stderr] 275 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/main.rs:302:20
[INFO] [stderr]     |
[INFO] [stderr] 302 | fn evaluate_define(expr: Value, args: List, env: &mut Environment) -> Value {
[INFO] [stderr]     |                    ^^^^ help: consider prefixing with an underscore: `_expr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for i in 0..n {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] error[E0369]: binary operation `==` cannot be applied to type `Value`
[INFO] [stderr]    --> src/main.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |         assert_eq!(eval(cond, &mut env), Value::Integer(43));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         Value
[INFO] [stderr]     |         Value
[INFO] [stderr]     |
[INFO] [stderr]     = note: an implementation of `std::cmp::PartialEq` might be missing for `Value`
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0369`.
[INFO] [stderr] error: could not compile `scrust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0507]: cannot move out of `*env` which is behind a mutable reference
[INFO] [stderr]    --> src/main.rs:317:18
[INFO] [stderr]     |
[INFO] [stderr] 317 |             env: env.new_child(),
[INFO] [stderr]     |                  ^^^ move occurs because `*env` has type `Environment`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0505]: cannot move out of `*env` because it is borrowed
[INFO] [stderr]    --> src/main.rs:317:18
[INFO] [stderr]     |
[INFO] [stderr] 312 |     env.define(
[INFO] [stderr]     |     --- ------ borrow later used by call
[INFO] [stderr]     |     |
[INFO] [stderr]     |     borrow of `*env` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 317 |             env: env.new_child(),
[INFO] [stderr]     |                  ^^^ move out of `*env` occurs here
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of a shared reference
[INFO] [stderr]    --> src/main.rs:326:32
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Value::Symbol(name) => *env.clone().retrieve(name),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ move occurs because value has type `Value`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0505, E0507.
[INFO] [stderr] For more information about an error, try `rustc --explain E0505`.
[INFO] [stderr] error: could not compile `scrust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a9b60afebc4ccdff74f799b6e2d8ced92a4c57bd0b60f56997c0813e40b3211c"`
[INFO] running `"docker" "rm" "-f" "a9b60afebc4ccdff74f799b6e2d8ced92a4c57bd0b60f56997c0813e40b3211c"`
[INFO] [stdout] a9b60afebc4ccdff74f799b6e2d8ced92a4c57bd0b60f56997c0813e40b3211c