[INFO] updating cached repository esbraff/moonlight-lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/esbraff/moonlight-lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/esbraff/moonlight-lang" "work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/esbraff/moonlight-lang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/esbraff/moonlight-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/esbraff/moonlight-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1696fa762ad1363d0223af0b96a0db02759b732c
[INFO] sha for GitHub repo esbraff/moonlight-lang: 1696fa762ad1363d0223af0b96a0db02759b732c
[INFO] validating manifest of esbraff/moonlight-lang on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of esbraff/moonlight-lang on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing esbraff/moonlight-lang
[INFO] finished frobbing esbraff/moonlight-lang
[INFO] frobbed toml for esbraff/moonlight-lang written to work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang/Cargo.toml
[INFO] started frobbing esbraff/moonlight-lang
[INFO] finished frobbing esbraff/moonlight-lang
[INFO] frobbed toml for esbraff/moonlight-lang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/esbraff/moonlight-lang/Cargo.toml
[INFO] crate esbraff/moonlight-lang already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing esbraff/moonlight-lang against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7a99c82ece1b3ffe7fbe6a7f3b7176d87710cadc18e025b8daa930f685526e22
[INFO] running `"docker" "start" "-a" "7a99c82ece1b3ffe7fbe6a7f3b7176d87710cadc18e025b8daa930f685526e22"`
[INFO] [stderr]    Compiling moonlight v0.1.0 (/opt/crater/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 used: `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 2.19s
[INFO] running `"docker" "inspect" "7a99c82ece1b3ffe7fbe6a7f3b7176d87710cadc18e025b8daa930f685526e22"`
[INFO] running `"docker" "rm" "-f" "7a99c82ece1b3ffe7fbe6a7f3b7176d87710cadc18e025b8daa930f685526e22"`
[INFO] [stdout] 7a99c82ece1b3ffe7fbe6a7f3b7176d87710cadc18e025b8daa930f685526e22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b64a140946b8d8cffba7e23088d1c2f26660cfa4cc8efdfc6a42c47114a051d
[INFO] running `"docker" "start" "-a" "4b64a140946b8d8cffba7e23088d1c2f26660cfa4cc8efdfc6a42c47114a051d"`
[INFO] [stderr]    Compiling moonlight v0.1.0 (/opt/crater/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 used: `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 0.87s
[INFO] running `"docker" "inspect" "4b64a140946b8d8cffba7e23088d1c2f26660cfa4cc8efdfc6a42c47114a051d"`
[INFO] running `"docker" "rm" "-f" "4b64a140946b8d8cffba7e23088d1c2f26660cfa4cc8efdfc6a42c47114a051d"`
[INFO] [stdout] 4b64a140946b8d8cffba7e23088d1c2f26660cfa4cc8efdfc6a42c47114a051d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esbraff/moonlight-lang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4193a6cfe7bf28dc9caefea4579110789f10173061529e823e95c59322ceeeed
[INFO] running `"docker" "start" "-a" "4193a6cfe7bf28dc9caefea4579110789f10173061529e823e95c59322ceeeed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/moonlight-89814a9a215895c5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4193a6cfe7bf28dc9caefea4579110789f10173061529e823e95c59322ceeeed"`
[INFO] running `"docker" "rm" "-f" "4193a6cfe7bf28dc9caefea4579110789f10173061529e823e95c59322ceeeed"`
[INFO] [stdout] 4193a6cfe7bf28dc9caefea4579110789f10173061529e823e95c59322ceeeed