[INFO] cloning repository https://github.com/tjs392/oop-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjs392/oop-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjs392%2Foop-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjs392%2Foop-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fa4d39d1c8498b926301b3a0a0837b8b144104f
[INFO] checking tjs392/oop-compiler against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjs392%2Foop-compiler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tjs392/oop-compiler
[INFO] finished tweaking git repo https://github.com/tjs392/oop-compiler
[INFO] tweaked toml for git repo https://github.com/tjs392/oop-compiler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjs392/oop-compiler on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tjs392/oop-compiler 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 188f4f7dc1bac23bc2728dab69d29e9837032abe4e7bd7adce32308bc9bd441d
[INFO] running `Command { std: "docker" "start" "-a" "188f4f7dc1bac23bc2728dab69d29e9837032abe4e7bd7adce32308bc9bd441d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188f4f7dc1bac23bc2728dab69d29e9837032abe4e7bd7adce32308bc9bd441d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188f4f7dc1bac23bc2728dab69d29e9837032abe4e7bd7adce32308bc9bd441d", kill_on_drop: false }`
[INFO] [stdout] 188f4f7dc1bac23bc2728dab69d29e9837032abe4e7bd7adce32308bc9bd441d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2396395075b73ae306258b1dea81ec9ed35dcc25fa8cec75e66b817fb854da
[INFO] running `Command { std: "docker" "start" "-a" "8c2396395075b73ae306258b1dea81ec9ed35dcc25fa8cec75e66b817fb854da", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `BitwiseAnd` and `BitwiseXor` are never constructed
[INFO] [stdout]   --> src/token.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 95 |     BitwiseAnd,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 96 |     BitwiseOr,
[INFO] [stdout] 97 |     BitwiseXor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vtable_map` is never read
[INFO] [stdout]   --> src/ir_builder.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ClassMetadata {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     vtable_map: HashMap<String, usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_map` is never read
[INFO] [stdout]  --> src/cfg.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CFG {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     block_map: HashMap<String, usize>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BitwiseAnd` and `BitwiseXor` are never constructed
[INFO] [stdout]   --> src/token.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 95 |     BitwiseAnd,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 96 |     BitwiseOr,
[INFO] [stdout] 97 |     BitwiseXor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vtable_map` is never read
[INFO] [stdout]   --> src/ir_builder.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ClassMetadata {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     vtable_map: HashMap<String, usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_map` is never read
[INFO] [stdout]  --> src/cfg.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CFG {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     block_map: HashMap<String, usize>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "8c2396395075b73ae306258b1dea81ec9ed35dcc25fa8cec75e66b817fb854da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2396395075b73ae306258b1dea81ec9ed35dcc25fa8cec75e66b817fb854da", kill_on_drop: false }`
[INFO] [stdout] 8c2396395075b73ae306258b1dea81ec9ed35dcc25fa8cec75e66b817fb854da