[INFO] updating cached repository https://github.com/esbraff/moonlight-lang
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecd60bd7d4fc89506cfdfcff30ccab6a36295ce
[INFO] testing esbraff/moonlight-lang against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fmoonlight-lang" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esbraff/moonlight-lang on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/esbraff/moonlight-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a2635710e1d7ba502c3bb606e20bc917e666b7deaa875db42345711a0c540c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a2635710e1d7ba502c3bb606e20bc917e666b7deaa875db42345711a0c540c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a2635710e1d7ba502c3bb606e20bc917e666b7deaa875db42345711a0c540c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2635710e1d7ba502c3bb606e20bc917e666b7deaa875db42345711a0c540c6", kill_on_drop: false }`
[INFO] [stdout] 2a2635710e1d7ba502c3bb606e20bc917e666b7deaa875db42345711a0c540c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9250c00ec932d2e83e9ebca0e4c23fafcf86f9bb6074b1d032ed0955f40f4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a9250c00ec932d2e83e9ebca0e4c23fafcf86f9bb6074b1d032ed0955f40f4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling moonlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]  --> src/stack.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn push(&mut self, value: Value) {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/stack.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn pop(&mut self) -> Value {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/value.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Bool(Bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> src/environment.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn top(env: &Environment) -> Environment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/storage.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     stack: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]    --> src/storage.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn push(&mut self, value: Value) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/storage.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn pop(&mut self) -> Value {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/expressions.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Return(Box<Expression>)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "9a9250c00ec932d2e83e9ebca0e4c23fafcf86f9bb6074b1d032ed0955f40f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9250c00ec932d2e83e9ebca0e4c23fafcf86f9bb6074b1d032ed0955f40f4b", kill_on_drop: false }`
[INFO] [stdout] 9a9250c00ec932d2e83e9ebca0e4c23fafcf86f9bb6074b1d032ed0955f40f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc9c02852c8f957af525cbbb9e6abd8460f60e3a2d7b191b0e71358ce662bc41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc9c02852c8f957af525cbbb9e6abd8460f60e3a2d7b191b0e71358ce662bc41", kill_on_drop: false }`
[INFO] [stderr]    Compiling moonlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]  --> src/stack.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn push(&mut self, value: Value) {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/stack.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn pop(&mut self) -> Value {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/value.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Bool(Bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> src/environment.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn top(env: &Environment) -> Environment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/storage.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     stack: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]    --> src/storage.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn push(&mut self, value: Value) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/storage.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn pop(&mut self) -> Value {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/expressions.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Return(Box<Expression>)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "bc9c02852c8f957af525cbbb9e6abd8460f60e3a2d7b191b0e71358ce662bc41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9c02852c8f957af525cbbb9e6abd8460f60e3a2d7b191b0e71358ce662bc41", kill_on_drop: false }`
[INFO] [stdout] bc9c02852c8f957af525cbbb9e6abd8460f60e3a2d7b191b0e71358ce662bc41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cf992d4a48542cd54595680a0bc8caa7b08121f61e310c855547781f88c375d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3cf992d4a48542cd54595680a0bc8caa7b08121f61e310c855547781f88c375d", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]  --> src/stack.rs:9:12
[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: associated function is never used: `pop`
[INFO] [stderr]   --> src/stack.rs:13:12
[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: associated function is never used: `top`
[INFO] [stderr]   --> src/environment.rs:21:12
[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: associated function is never used: `push`
[INFO] [stderr]    --> src/storage.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn push(&mut self, value: Value) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]    --> src/storage.rs:111:12
[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: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/moonlight-2b82c67bce4fef08
[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 `Command { std: "docker" "inspect" "3cf992d4a48542cd54595680a0bc8caa7b08121f61e310c855547781f88c375d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf992d4a48542cd54595680a0bc8caa7b08121f61e310c855547781f88c375d", kill_on_drop: false }`
[INFO] [stdout] 3cf992d4a48542cd54595680a0bc8caa7b08121f61e310c855547781f88c375d