[INFO] cloning repository https://github.com/jakobwesthoff/rust_brain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakobwesthoff/rust_brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Frust_brain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Frust_brain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2b35d89c01ea1f364e1f7fc7a73a6fb22d19d74 [INFO] checking jakobwesthoff/rust_brain against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Frust_brain" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-4-tc2/source': No space left on device [INFO] checking jakobwesthoff/rust_brain against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobwesthoff%2Frust_brain" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakobwesthoff/rust_brain on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakobwesthoff/rust_brain [INFO] finished tweaking git repo https://github.com/jakobwesthoff/rust_brain [INFO] tweaked toml for git repo https://github.com/jakobwesthoff/rust_brain written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jakobwesthoff/rust_brain already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18c7e081c4dea0be70f638e0b07c9112866dfc27afe98f9c4cb901f6298dd009 [INFO] running `Command { std: "docker" "start" "-a" "18c7e081c4dea0be70f638e0b07c9112866dfc27afe98f9c4cb901f6298dd009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18c7e081c4dea0be70f638e0b07c9112866dfc27afe98f9c4cb901f6298dd009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18c7e081c4dea0be70f638e0b07c9112866dfc27afe98f9c4cb901f6298dd009", kill_on_drop: false }` [INFO] [stdout] 18c7e081c4dea0be70f638e0b07c9112866dfc27afe98f9c4cb901f6298dd009 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab25935b6a371f5e5b85a7f74e495d6214c5edf65f5c2aa59390ca1c8b2ba817 [INFO] running `Command { std: "docker" "start" "-a" "ab25935b6a371f5e5b85a7f74e495d6214c5edf65f5c2aa59390ca1c8b2ba817", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Checking rust_brain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | Input(usize), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 43 | Input(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:44:16 [INFO] [stdout] | [INFO] [stdout] 44 | JmpForward(usize), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 44 | JmpForward(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | JmpBack(usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 45 | JmpBack(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Intepreter` is never constructed [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | struct Intepreter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `run` are never used [INFO] [stdout] --> src/main.rs:194:8 [INFO] [stdout] | [INFO] [stdout] 193 | impl Intepreter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 194 | fn new(program: Program) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 204 | fn run(&mut self) -> Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | Input(usize), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 43 | Input(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:44:16 [INFO] [stdout] | [INFO] [stdout] 44 | JmpForward(usize), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 44 | JmpForward(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | JmpBack(usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 45 | JmpBack(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Intepreter` is never constructed [INFO] [stdout] --> src/main.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 186 | struct Intepreter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `run` are never used [INFO] [stdout] --> src/main.rs:194:8 [INFO] [stdout] | [INFO] [stdout] 193 | impl Intepreter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 194 | fn new(program: Program) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 204 | fn run(&mut self) -> Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "ab25935b6a371f5e5b85a7f74e495d6214c5edf65f5c2aa59390ca1c8b2ba817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab25935b6a371f5e5b85a7f74e495d6214c5edf65f5c2aa59390ca1c8b2ba817", kill_on_drop: false }` [INFO] [stdout] ab25935b6a371f5e5b85a7f74e495d6214c5edf65f5c2aa59390ca1c8b2ba817