[INFO] cloning repository https://github.com/docevaad/synacorvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/docevaad/synacorvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdocevaad%2Fsynacorvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdocevaad%2Fsynacorvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea92303aea20407b489061742b5bf159c8314344
[INFO] checking docevaad/synacorvm against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdocevaad%2Fsynacorvm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/docevaad/synacorvm on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/docevaad/synacorvm
[INFO] finished tweaking git repo https://github.com/docevaad/synacorvm
[INFO] tweaked toml for git repo https://github.com/docevaad/synacorvm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/docevaad/synacorvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5c61421321b2ca7d176d14541c80056d04594e6d228c9de0c5473509128aef0
[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" "d5c61421321b2ca7d176d14541c80056d04594e6d228c9de0c5473509128aef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c61421321b2ca7d176d14541c80056d04594e6d228c9de0c5473509128aef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c61421321b2ca7d176d14541c80056d04594e6d228c9de0c5473509128aef0", kill_on_drop: false }`
[INFO] [stdout] d5c61421321b2ca7d176d14541c80056d04594e6d228c9de0c5473509128aef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0754b2c0c62c893d1c2b2538a35981a781337eb6796a1dd8f6c1244c2b28929
[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" "a0754b2c0c62c893d1c2b2538a35981a781337eb6796a1dd8f6c1244c2b28929", kill_on_drop: false }`
[INFO] [stderr]     Checking synacorvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `bytecode_size`
[INFO] [stdout]  --> src/engine/svm_program.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     bytecode_size: usize,
[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: `print_program`
[INFO] [stdout]   --> src/engine/svm_program.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn print_program(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nextValue` should have a snake case name
[INFO] [stdout]   --> src/engine/internals/instruction_pointer.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let nextValue = memory.load_memory(self.ip);
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `next_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bytecode_size`
[INFO] [stdout]  --> src/engine/svm_program.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     bytecode_size: usize,
[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: `print_program`
[INFO] [stdout]   --> src/engine/svm_program.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn print_program(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nextValue` should have a snake case name
[INFO] [stdout]   --> src/engine/internals/instruction_pointer.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let nextValue = memory.load_memory(self.ip);
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `next_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "a0754b2c0c62c893d1c2b2538a35981a781337eb6796a1dd8f6c1244c2b28929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0754b2c0c62c893d1c2b2538a35981a781337eb6796a1dd8f6c1244c2b28929", kill_on_drop: false }`
[INFO] [stdout] a0754b2c0c62c893d1c2b2538a35981a781337eb6796a1dd8f6c1244c2b28929