[INFO] cloning 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" "clone" "--bare" "https://github.com/esbraff/moonlight-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fmoonlight-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fmoonlight-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecd60bd7d4fc89506cfdfcff30ccab6a36295ce
[INFO] testing esbraff/moonlight-lang against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fmoonlight-lang" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esbraff/moonlight-lang on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f00e6bb6848a493a3679a18b556614ed8c77ac674a0a165472417470472cd3be
[INFO] running `Command { std: "docker" "start" "-a" "f00e6bb6848a493a3679a18b556614ed8c77ac674a0a165472417470472cd3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00e6bb6848a493a3679a18b556614ed8c77ac674a0a165472417470472cd3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00e6bb6848a493a3679a18b556614ed8c77ac674a0a165472417470472cd3be", kill_on_drop: false }`
[INFO] [stdout] f00e6bb6848a493a3679a18b556614ed8c77ac674a0a165472417470472cd3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8879dce72e4fb3eaca15311de5fbfcc0ead168bb6397509f0413695d89f6a4e
[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" "a8879dce72e4fb3eaca15311de5fbfcc0ead168bb6397509f0413695d89f6a4e", 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 2.27s
[INFO] running `Command { std: "docker" "inspect" "a8879dce72e4fb3eaca15311de5fbfcc0ead168bb6397509f0413695d89f6a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8879dce72e4fb3eaca15311de5fbfcc0ead168bb6397509f0413695d89f6a4e", kill_on_drop: false }`
[INFO] [stdout] a8879dce72e4fb3eaca15311de5fbfcc0ead168bb6397509f0413695d89f6a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d9393d4f393c87000595c9088d83a3bb353f90f773f26e9924c7ed3a131b71b
[INFO] running `Command { std: "docker" "start" "-a" "1d9393d4f393c87000595c9088d83a3bb353f90f773f26e9924c7ed3a131b71b", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "1d9393d4f393c87000595c9088d83a3bb353f90f773f26e9924c7ed3a131b71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9393d4f393c87000595c9088d83a3bb353f90f773f26e9924c7ed3a131b71b", kill_on_drop: false }`
[INFO] [stdout] 1d9393d4f393c87000595c9088d83a3bb353f90f773f26e9924c7ed3a131b71b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51bd7a8665917868f67441a6cf05bf29cf5aa87bb3012b32ef5f1103a5019de4
[INFO] running `Command { std: "docker" "start" "-a" "51bd7a8665917868f67441a6cf05bf29cf5aa87bb3012b32ef5f1103a5019de4", 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/moonlight-423b5f989b9886f8)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51bd7a8665917868f67441a6cf05bf29cf5aa87bb3012b32ef5f1103a5019de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bd7a8665917868f67441a6cf05bf29cf5aa87bb3012b32ef5f1103a5019de4", kill_on_drop: false }`
[INFO] [stdout] 51bd7a8665917868f67441a6cf05bf29cf5aa87bb3012b32ef5f1103a5019de4