[INFO] updating cached repository https://github.com/esbraff/moonlight-lang
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f755025c9a21e089af6f13538593d93da27dd2f9
[INFO] checking esbraff/moonlight-lang against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fmoonlight-lang" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/esbraff/moonlight-lang on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/esbraff/moonlight-lang
[INFO] finished tweaking git repo https://github.com/esbraff/moonlight-lang
[INFO] tweaked toml for git repo https://github.com/esbraff/moonlight-lang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/esbraff/moonlight-lang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] 9bb52bb77ab57f42923b76edafa5187e5aaa806fc1d486eed643638705c61992
[INFO] running `"docker" "start" "-a" "9bb52bb77ab57f42923b76edafa5187e5aaa806fc1d486eed643638705c61992"`
[INFO] [stderr]     Checking moonlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]  --> src/stack.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn push(&mut self, value: Value) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/stack.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn pop(&mut self) -> Value {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/value.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Bool(Bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `top`
[INFO] [stderr]   --> src/environment.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn top(env: &Environment) -> Environment {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]   --> src/storage.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     stack: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]    --> src/storage.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn push(&mut self, value: Value) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]    --> src/storage.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn pop(&mut self) -> Value {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/expressions.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Return(Box<Expression>)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]  --> src/stack.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn push(&mut self, value: Value) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/stack.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn pop(&mut self) -> Value {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/value.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Bool(Bool),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `top`
[INFO] [stderr]   --> src/environment.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn top(env: &Environment) -> Environment {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]   --> src/storage.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     stack: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]    --> src/storage.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn push(&mut self, value: Value) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]    --> src/storage.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn pop(&mut self) -> Value {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/expressions.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Return(Box<Expression>)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "9bb52bb77ab57f42923b76edafa5187e5aaa806fc1d486eed643638705c61992"`
[INFO] running `"docker" "rm" "-f" "9bb52bb77ab57f42923b76edafa5187e5aaa806fc1d486eed643638705c61992"`
[INFO] [stdout] 9bb52bb77ab57f42923b76edafa5187e5aaa806fc1d486eed643638705c61992