[INFO] cloning repository https://github.com/caidj0/c0mpiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caidj0/c0mpiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaidj0%2Fc0mpiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaidj0%2Fc0mpiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a7c7262ecf0610b63daf35cc97fe3025fb205de
[INFO] checking caidj0/c0mpiler against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaidj0%2Fc0mpiler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/caidj0/c0mpiler
[INFO] finished tweaking git repo https://github.com/caidj0/c0mpiler
[INFO] tweaked toml for git repo https://github.com/caidj0/c0mpiler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/caidj0/c0mpiler on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/caidj0/c0mpiler 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8a281e1af83e24b723a75022fdb495a275f0f1c9db9fbcd83e7103b4d0faf3a
[INFO] running `Command { std: "docker" "start" "-a" "a8a281e1af83e24b723a75022fdb495a275f0f1c9db9fbcd83e7103b4d0faf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a281e1af83e24b723a75022fdb495a275f0f1c9db9fbcd83e7103b4d0faf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a281e1af83e24b723a75022fdb495a275f0f1c9db9fbcd83e7103b4d0faf3a", kill_on_drop: false }`
[INFO] [stdout] a8a281e1af83e24b723a75022fdb495a275f0f1c9db9fbcd83e7103b4d0faf3a
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae580df71db696fda5a4ab448123419c59b500f4fb3ae0e20af5171aa49dc6e
[INFO] running `Command { std: "docker" "start" "-a" "7ae580df71db696fda5a4ab448123419c59b500f4fb3ae0e20af5171aa49dc6e", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking ena v0.14.3
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]     Checking fancy-regex v0.16.2
[INFO] [stderr]     Checking c0mpiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `fields` is never read
[INFO] [stdout]    --> src/ast/item.rs:322:14
[INFO] [stdout]     |
[INFO] [stdout] 322 |     Struct { fields: Vec<FieldDef> },
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ty` is never read
[INFO] [stdout]   --> src/ir/ir_type.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Body { ty: Vec<Rc<Type>>, packed: bool },
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `packed` is never read
[INFO] [stdout]   --> src/ir/ir_type.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Body { ty: Vec<Rc<Type>>, packed: bool },
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fat` is never read
[INFO] [stdout]   --> src/irgen/value.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Raw { fat: Option<ValuePtr> },
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fields` is never read
[INFO] [stdout]    --> src/ast/item.rs:322:14
[INFO] [stdout]     |
[INFO] [stdout] 322 |     Struct { fields: Vec<FieldDef> },
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ty` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         ty: TypeKey,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `for_trait` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for_trait: Option<TypeKey>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret_ty` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         ret_ty: TypeKey,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `main_fn` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         main_fn: MainFunctionState,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret_ty` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         ret_ty: TypeKey,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_break` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         has_break: RefCell<bool>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `interrupt` is never read
[INFO] [stdout]   --> src/semantics/stmt.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Else { interrupt: ControlFlowInterruptKind },
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `method_kind` is never read
[INFO] [stdout]   --> src/semantics/value.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         method_kind: MethodKind,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_placeholder` is never read
[INFO] [stdout]   --> src/semantics/value.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         is_placeholder: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ast_node` is never read
[INFO] [stdout]   --> src/semantics/value.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         ast_node: FnAstRefInfo<'ast>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `level` is never read
[INFO] [stdout]   --> src/semantics/value.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         level: DerefLevel,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `derefed_ty` is never read
[INFO] [stdout]   --> src/semantics/value.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         derefed_ty: TypeIntern,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/semantics/value.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         index: PlaceValueIndex,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_by_ref` is never read
[INFO] [stdout]   --> src/semantics/value.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self_by_ref: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `level` is never read
[INFO] [stdout]   --> src/semantics/value.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         level: DerefLevel,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `derefed_ty` is never read
[INFO] [stdout]   --> src/semantics/value.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         derefed_ty: TypeIntern,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/semantics/value.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         index: Option<usize>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `indexes` is never read
[INFO] [stdout]   --> src/semantics/value.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         indexes: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ty` is never read
[INFO] [stdout]   --> src/ir/ir_type.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Body { ty: Vec<Rc<Type>>, packed: bool },
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `packed` is never read
[INFO] [stdout]   --> src/ir/ir_type.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 97 |     Body { ty: Vec<Rc<Type>>, packed: bool },
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fat` is never read
[INFO] [stdout]   --> src/irgen/value.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Raw { fat: Option<ValuePtr> },
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ty` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         ty: TypeKey,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `for_trait` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for_trait: Option<TypeKey>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret_ty` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         ret_ty: TypeKey,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `main_fn` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         main_fn: MainFunctionState,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret_ty` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         ret_ty: TypeKey,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_break` is never read
[INFO] [stdout]   --> src/semantics/scope.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         has_break: RefCell<bool>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `interrupt` is never read
[INFO] [stdout]   --> src/semantics/stmt.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Else { interrupt: ControlFlowInterruptKind },
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `method_kind` is never read
[INFO] [stdout]   --> src/semantics/value.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         method_kind: MethodKind,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_placeholder` is never read
[INFO] [stdout]   --> src/semantics/value.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         is_placeholder: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ast_node` is never read
[INFO] [stdout]   --> src/semantics/value.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         ast_node: FnAstRefInfo<'ast>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `level` is never read
[INFO] [stdout]   --> src/semantics/value.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         level: DerefLevel,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `derefed_ty` is never read
[INFO] [stdout]   --> src/semantics/value.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         derefed_ty: TypeIntern,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/semantics/value.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         index: PlaceValueIndex,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_by_ref` is never read
[INFO] [stdout]   --> src/semantics/value.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         self_by_ref: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `level` is never read
[INFO] [stdout]   --> src/semantics/value.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         level: DerefLevel,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `derefed_ty` is never read
[INFO] [stdout]   --> src/semantics/value.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         derefed_ty: TypeIntern,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]   --> src/semantics/value.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         index: Option<usize>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `indexes` is never read
[INFO] [stdout]   --> src/semantics/value.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         indexes: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> tests/semantic_test.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let path = PathBuf::from_str(case_path).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> tests/ir_test.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let path = PathBuf::from_str(case_path).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c0mpiler` (test "semantic_test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `c0mpiler` (test "ir_test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7ae580df71db696fda5a4ab448123419c59b500f4fb3ae0e20af5171aa49dc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae580df71db696fda5a4ab448123419c59b500f4fb3ae0e20af5171aa49dc6e", kill_on_drop: false }`
[INFO] [stdout] 7ae580df71db696fda5a4ab448123419c59b500f4fb3ae0e20af5171aa49dc6e
