[INFO] cloning repository https://github.com/bam-lang/bam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bam-lang/bam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbam-lang%2Fbam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbam-lang%2Fbam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af5dd0b6d9e9f728f9475757fe3ffea278626263
[INFO] testing bam-lang/bam against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbam-lang%2Fbam" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bam-lang/bam on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/bam-lang/bam
[INFO] finished tweaking git repo https://github.com/bam-lang/bam
[INFO] tweaked toml for git repo https://github.com/bam-lang/bam written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bam-lang/bam 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" "+beta-2024-12-08" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a128501967ba1edad1e4eb3ca772ef54df214b1b3262e11ac417e1bce181943
[INFO] running `Command { std: "docker" "start" "-a" "1a128501967ba1edad1e4eb3ca772ef54df214b1b3262e11ac417e1bce181943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a128501967ba1edad1e4eb3ca772ef54df214b1b3262e11ac417e1bce181943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a128501967ba1edad1e4eb3ca772ef54df214b1b3262e11ac417e1bce181943", kill_on_drop: false }`
[INFO] [stdout] 1a128501967ba1edad1e4eb3ca772ef54df214b1b3262e11ac417e1bce181943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f54e71402a99b1577e9cd8db75dc7401056657d19c23ebceb2afcc44b8c22ea
[INFO] running `Command { std: "docker" "start" "-a" "2f54e71402a99b1577e9cd8db75dc7401056657d19c23ebceb2afcc44b8c22ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.35.7
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling fd-lock v3.0.6
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling chumsky v0.8.0
[INFO] [stderr]    Compiling rustyline v10.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling clap v3.2.14
[INFO] [stderr]    Compiling bam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, bail, Context, Error, Result};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::Level`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::Level;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/types.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, info};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Loop` and `SharedFlow`
[INFO] [stdout]   --> src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | use eval::{Loop, SharedFlow};
[INFO] [stdout]    |            ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tenv`
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tenv = GlobalTypeEnv::new();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tenv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tenv = GlobalTypeEnv::new();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut parse_program = |source: String| -> Result<Vec<Definition>> {
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let mut load_stream =
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `input` is never used
[INFO] [stdout]   --> src/compiler.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Handle {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn input() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Stdin` and `Copy` are never constructed
[INFO] [stdout]   --> src/compiler.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum FlatStream {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 39 |     /// Standard input.
[INFO] [stdout] 40 |     Stdin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Copy(Handle),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FlatStream` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_mut` is never used
[INFO] [stdout]    --> src/compiler.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 273 | impl Compiler {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn current_mut(&mut self) -> &Unit {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Loop` is never constructed
[INFO] [stdout]   --> src/eval.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Loop {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]   --> src/eval.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Loop {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 26 |     /// Steps through the stream.
[INFO] [stdout] 27 |     pub fn step(&self) -> Result<Value> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_from_head` and `get_from_outer` are never used
[INFO] [stdout]    --> src/eval.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 71  | impl SharedEnv {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn get_from_head(&self, handle: Handle) -> Option<SharedFlow> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn get_from_outer(&self, handle: Handle) -> Option<SharedFlow> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `make_loop` is never used
[INFO] [stdout]    --> src/eval.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl Factory {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn make_loop(&self, name: &str) -> Loop {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnifVar` is never constructed
[INFO] [stdout]    --> src/types.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum Type {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 143 |     UnifVar(usize),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CannotUnify`, `UnboundVariable`, and `UnboundMachine` are never constructed
[INFO] [stdout]    --> src/types.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub enum TypeError {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 170 |     #[error("Cannot unify {0} with {1}")]
[INFO] [stdout] 171 |     CannotUnify(Type, Type),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     UnboundVariable(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     UnboundMachine(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `machine_types` is never read
[INFO] [stdout]    --> src/types.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct GlobalTypeEnv {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 194 |     machine_types: HashMap<String, MachineType>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocalTypeEnv` is never constructed
[INFO] [stdout]    --> src/types.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct LocalTypeEnv {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/types.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn check(program: &Program) -> Result<(), TypeError> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_machine_def` is never used
[INFO] [stdout]    --> src/types.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub fn check_machine_def(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_statement` is never used
[INFO] [stdout]    --> src/types.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn check_statement(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infer_stream` is never used
[INFO] [stdout]    --> src/types.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn infer_stream(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_builtin_ty` is never used
[INFO] [stdout]    --> src/types.rs:381:4
[INFO] [stdout]     |
[INFO] [stdout] 381 | fn get_builtin_ty(builtin: &Builtin) -> Option<MachineType> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_unif_var` is never used
[INFO] [stdout]    --> src/types.rs:385:4
[INFO] [stdout]     |
[INFO] [stdout] 385 | fn new_unif_var(local_env: &mut LocalTypeEnv) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `instantiate` is never used
[INFO] [stdout]    --> src/types.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn instantiate(local_env: &mut LocalTypeEnv, machine_ty: MachineType) -> MachineType {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_ty_var` is never used
[INFO] [stdout]    --> src/types.rs:410:4
[INFO] [stdout]     |
[INFO] [stdout] 410 | fn replace_ty_var(ty: Type, var: usize, to_replace: &Type) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_unif_var` is never used
[INFO] [stdout]    --> src/types.rs:428:4
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn replace_unif_var(ty: Type, var: usize, to_replace: &Type) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_substitution` is never used
[INFO] [stdout]    --> src/types.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn apply_substitution(subst: &HashMap<usize, Type>, ty: Type) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unify` is never used
[INFO] [stdout]    --> src/types.rs:461:4
[INFO] [stdout]     |
[INFO] [stdout] 461 | fn unify(local_env: &LocalTypeEnv) -> Result<HashMap<usize, Type>, TypeError> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unify_types` is never used
[INFO] [stdout]    --> src/types.rs:472:4
[INFO] [stdout]     |
[INFO] [stdout] 472 | fn unify_types(subst: &mut HashMap<usize, Type>, ty1: &Type, ty2: &Type) -> Result<(), TypeError> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `free_unif_vars` is never used
[INFO] [stdout]    --> src/types.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn free_unif_vars(subst: &HashMap<usize, Type>, result: &mut HashSet<usize>, ty: &Type) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generalize` is never used
[INFO] [stdout]    --> src/types.rs:522:4
[INFO] [stdout]     |
[INFO] [stdout] 522 | fn generalize(subst: &HashMap<usize, Type>, machine_ty: MachineType) -> MachineType {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         check_statement(global_env, &mut local_env, statement);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let _ = check_statement(global_env, &mut local_env, statement);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.33s
[INFO] running `Command { std: "docker" "inspect" "2f54e71402a99b1577e9cd8db75dc7401056657d19c23ebceb2afcc44b8c22ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f54e71402a99b1577e9cd8db75dc7401056657d19c23ebceb2afcc44b8c22ea", kill_on_drop: false }`
[INFO] [stdout] 2f54e71402a99b1577e9cd8db75dc7401056657d19c23ebceb2afcc44b8c22ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f088271c437a48d86fa5fd05195a92296c6172cac46536068db79f2def9ea010
[INFO] running `Command { std: "docker" "start" "-a" "f088271c437a48d86fa5fd05195a92296c6172cac46536068db79f2def9ea010", kill_on_drop: false }`
[INFO] [stderr]    Compiling bam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, bail, Context, Error, Result};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::Level`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing::Level;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/types.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, info};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Loop` and `SharedFlow`
[INFO] [stdout]   --> src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | use eval::{Loop, SharedFlow};
[INFO] [stdout]    |            ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tenv`
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tenv = GlobalTypeEnv::new();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tenv`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tenv = GlobalTypeEnv::new();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut parse_program = |source: String| -> Result<Vec<Definition>> {
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let mut load_stream =
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `input` is never used
[INFO] [stdout]   --> src/compiler.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Handle {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn input() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Stdin` and `Copy` are never constructed
[INFO] [stdout]   --> src/compiler.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum FlatStream {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 39 |     /// Standard input.
[INFO] [stdout] 40 |     Stdin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Copy(Handle),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FlatStream` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current_mut` is never used
[INFO] [stdout]    --> src/compiler.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 273 | impl Compiler {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn current_mut(&mut self) -> &Unit {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Loop` is never constructed
[INFO] [stdout]   --> src/eval.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Loop {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]   --> src/eval.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Loop {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 26 |     /// Steps through the stream.
[INFO] [stdout] 27 |     pub fn step(&self) -> Result<Value> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_from_head` and `get_from_outer` are never used
[INFO] [stdout]    --> src/eval.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 71  | impl SharedEnv {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn get_from_head(&self, handle: Handle) -> Option<SharedFlow> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn get_from_outer(&self, handle: Handle) -> Option<SharedFlow> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `make_loop` is never used
[INFO] [stdout]    --> src/eval.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl Factory {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn make_loop(&self, name: &str) -> Loop {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnifVar` is never constructed
[INFO] [stdout]    --> src/types.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum Type {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 143 |     UnifVar(usize),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CannotUnify`, `UnboundVariable`, and `UnboundMachine` are never constructed
[INFO] [stdout]    --> src/types.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub enum TypeError {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 170 |     #[error("Cannot unify {0} with {1}")]
[INFO] [stdout] 171 |     CannotUnify(Type, Type),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     UnboundVariable(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     UnboundMachine(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `machine_types` is never read
[INFO] [stdout]    --> src/types.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct GlobalTypeEnv {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 194 |     machine_types: HashMap<String, MachineType>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocalTypeEnv` is never constructed
[INFO] [stdout]    --> src/types.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct LocalTypeEnv {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/types.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn check(program: &Program) -> Result<(), TypeError> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_machine_def` is never used
[INFO] [stdout]    --> src/types.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub fn check_machine_def(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_statement` is never used
[INFO] [stdout]    --> src/types.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn check_statement(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infer_stream` is never used
[INFO] [stdout]    --> src/types.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn infer_stream(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_builtin_ty` is never used
[INFO] [stdout]    --> src/types.rs:381:4
[INFO] [stdout]     |
[INFO] [stdout] 381 | fn get_builtin_ty(builtin: &Builtin) -> Option<MachineType> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_unif_var` is never used
[INFO] [stdout]    --> src/types.rs:385:4
[INFO] [stdout]     |
[INFO] [stdout] 385 | fn new_unif_var(local_env: &mut LocalTypeEnv) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `instantiate` is never used
[INFO] [stdout]    --> src/types.rs:391:4
[INFO] [stdout]     |
[INFO] [stdout] 391 | fn instantiate(local_env: &mut LocalTypeEnv, machine_ty: MachineType) -> MachineType {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_ty_var` is never used
[INFO] [stdout]    --> src/types.rs:410:4
[INFO] [stdout]     |
[INFO] [stdout] 410 | fn replace_ty_var(ty: Type, var: usize, to_replace: &Type) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_unif_var` is never used
[INFO] [stdout]    --> src/types.rs:428:4
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn replace_unif_var(ty: Type, var: usize, to_replace: &Type) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_substitution` is never used
[INFO] [stdout]    --> src/types.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn apply_substitution(subst: &HashMap<usize, Type>, ty: Type) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unify` is never used
[INFO] [stdout]    --> src/types.rs:461:4
[INFO] [stdout]     |
[INFO] [stdout] 461 | fn unify(local_env: &LocalTypeEnv) -> Result<HashMap<usize, Type>, TypeError> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unify_types` is never used
[INFO] [stdout]    --> src/types.rs:472:4
[INFO] [stdout]     |
[INFO] [stdout] 472 | fn unify_types(subst: &mut HashMap<usize, Type>, ty1: &Type, ty2: &Type) -> Result<(), TypeError> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `free_unif_vars` is never used
[INFO] [stdout]    --> src/types.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn free_unif_vars(subst: &HashMap<usize, Type>, result: &mut HashSet<usize>, ty: &Type) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generalize` is never used
[INFO] [stdout]    --> src/types.rs:522:4
[INFO] [stdout]     |
[INFO] [stdout] 522 | fn generalize(subst: &HashMap<usize, Type>, machine_ty: MachineType) -> MachineType {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/types.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         check_statement(global_env, &mut local_env, statement);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let _ = check_statement(global_env, &mut local_env, statement);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "f088271c437a48d86fa5fd05195a92296c6172cac46536068db79f2def9ea010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f088271c437a48d86fa5fd05195a92296c6172cac46536068db79f2def9ea010", kill_on_drop: false }`
[INFO] [stdout] f088271c437a48d86fa5fd05195a92296c6172cac46536068db79f2def9ea010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9e08353c93bcef738c94ad16f437a3bd5d0e2243ce79e3fd933aae7e2410dbf
[INFO] running `Command { std: "docker" "start" "-a" "b9e08353c93bcef738c94ad16f437a3bd5d0e2243ce79e3fd933aae7e2410dbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `bail`
[INFO] [stderr]  --> src/main.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use anyhow::{anyhow, bail, Context, Error, Result};
[INFO] [stderr]   |                      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing::Level`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tracing::Level;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/types.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tracing::{debug, info};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Loop` and `SharedFlow`
[INFO] [stderr]   --> src/main.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | use eval::{Loop, SharedFlow};
[INFO] [stderr]    |            ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tenv`
[INFO] [stderr]    --> src/main.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut tenv = GlobalTypeEnv::new();
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tenv`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut tenv = GlobalTypeEnv::new();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let mut parse_program = |source: String| -> Result<Vec<Definition>> {
[INFO] [stderr]     |         ----^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let mut load_stream =
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `input` is never used
[INFO] [stderr]   --> src/compiler.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Handle {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn input() -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Stdin` and `Copy` are never constructed
[INFO] [stderr]   --> src/compiler.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum FlatStream {
[INFO] [stderr]    |          ---------- variants in this enum
[INFO] [stderr] 39 |     /// Standard input.
[INFO] [stderr] 40 |     Stdin,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     Copy(Handle),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FlatStream` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `current_mut` is never used
[INFO] [stderr]    --> src/compiler.rs:424:12
[INFO] [stderr]     |
[INFO] [stderr] 273 | impl Compiler {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 424 |     pub fn current_mut(&mut self) -> &Unit {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Loop` is never constructed
[INFO] [stderr]   --> src/eval.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Loop {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `step` is never used
[INFO] [stderr]   --> src/eval.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Loop {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 26 |     /// Steps through the stream.
[INFO] [stderr] 27 |     pub fn step(&self) -> Result<Value> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_from_head` and `get_from_outer` are never used
[INFO] [stderr]    --> src/eval.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 71  | impl SharedEnv {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 104 |     pub fn get_from_head(&self, handle: Handle) -> Option<SharedFlow> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     pub fn get_from_outer(&self, handle: Handle) -> Option<SharedFlow> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `make_loop` is never used
[INFO] [stderr]    --> src/eval.rs:197:12
[INFO] [stderr]     |
[INFO] [stderr] 187 | impl Factory {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 197 |     pub fn make_loop(&self, name: &str) -> Loop {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `UnifVar` is never constructed
[INFO] [stderr]    --> src/types.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub enum Type {
[INFO] [stderr]     |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 143 |     UnifVar(usize),
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `CannotUnify`, `UnboundVariable`, and `UnboundMachine` are never constructed
[INFO] [stderr]    --> src/types.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub enum TypeError {
[INFO] [stderr]     |          --------- variants in this enum
[INFO] [stderr] 170 |     #[error("Cannot unify {0} with {1}")]
[INFO] [stderr] 171 |     CannotUnify(Type, Type),
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 174 |     UnboundVariable(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     UnboundMachine(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TypeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `machine_types` is never read
[INFO] [stderr]    --> src/types.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 193 | pub struct GlobalTypeEnv {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] 194 |     machine_types: HashMap<String, MachineType>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LocalTypeEnv` is never constructed
[INFO] [stderr]    --> src/types.rs:205:8
[INFO] [stderr]     |
[INFO] [stderr] 205 | struct LocalTypeEnv {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]    --> src/types.rs:211:8
[INFO] [stderr]     |
[INFO] [stderr] 211 | pub fn check(program: &Program) -> Result<(), TypeError> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_machine_def` is never used
[INFO] [stderr]    --> src/types.rs:219:8
[INFO] [stderr]     |
[INFO] [stderr] 219 | pub fn check_machine_def(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_statement` is never used
[INFO] [stderr]    --> src/types.rs:270:4
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn check_statement(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `infer_stream` is never used
[INFO] [stderr]    --> src/types.rs:310:4
[INFO] [stderr]     |
[INFO] [stderr] 310 | fn infer_stream(
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_builtin_ty` is never used
[INFO] [stderr]    --> src/types.rs:381:4
[INFO] [stderr]     |
[INFO] [stderr] 381 | fn get_builtin_ty(builtin: &Builtin) -> Option<MachineType> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `new_unif_var` is never used
[INFO] [stderr]    --> src/types.rs:385:4
[INFO] [stderr]     |
[INFO] [stderr] 385 | fn new_unif_var(local_env: &mut LocalTypeEnv) -> Type {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `instantiate` is never used
[INFO] [stderr]    --> src/types.rs:391:4
[INFO] [stderr]     |
[INFO] [stderr] 391 | fn instantiate(local_env: &mut LocalTypeEnv, machine_ty: MachineType) -> MachineType {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `replace_ty_var` is never used
[INFO] [stderr]    --> src/types.rs:410:4
[INFO] [stderr]     |
[INFO] [stderr] 410 | fn replace_ty_var(ty: Type, var: usize, to_replace: &Type) -> Type {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `replace_unif_var` is never used
[INFO] [stderr]    --> src/types.rs:428:4
[INFO] [stderr]     |
[INFO] [stderr] 428 | fn replace_unif_var(ty: Type, var: usize, to_replace: &Type) -> Type {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_substitution` is never used
[INFO] [stderr]    --> src/types.rs:446:4
[INFO] [stderr]     |
[INFO] [stderr] 446 | fn apply_substitution(subst: &HashMap<usize, Type>, ty: Type) -> Type {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unify` is never used
[INFO] [stderr]    --> src/types.rs:461:4
[INFO] [stderr]     |
[INFO] [stderr] 461 | fn unify(local_env: &LocalTypeEnv) -> Result<HashMap<usize, Type>, TypeError> {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unify_types` is never used
[INFO] [stderr]    --> src/types.rs:472:4
[INFO] [stderr]     |
[INFO] [stderr] 472 | fn unify_types(subst: &mut HashMap<usize, Type>, ty1: &Type, ty2: &Type) -> Result<(), TypeError> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `free_unif_vars` is never used
[INFO] [stderr]    --> src/types.rs:505:4
[INFO] [stderr]     |
[INFO] [stderr] 505 | fn free_unif_vars(subst: &HashMap<usize, Type>, result: &mut HashSet<usize>, ty: &Type) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generalize` is never used
[INFO] [stderr]    --> src/types.rs:522:4
[INFO] [stderr]     |
[INFO] [stderr] 522 | fn generalize(subst: &HashMap<usize, Type>, machine_ty: MachineType) -> MachineType {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/types.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         check_statement(global_env, &mut local_env, statement);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let _ = check_statement(global_env, &mut local_env, statement);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bam` (bin "bam" test) generated 34 warnings (run `cargo fix --bin "bam" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bam-112c7e07d300fddf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::parse_hello_world_from_tokens ... FAILED
[INFO] [stdout] test tests::parse_hello_world_from_source ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::parse_hello_world_from_tokens stdout ----
[INFO] [stdout] thread 'tests::parse_hello_world_from_tokens' panicked at src/main.rs:341:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Program { machines: [Definition { name: "Main", body: [Let(["hello"], Const(Str("Hello, BAM!")))], result: Pipe(Take(Var("hello"), 1), Var("Print")) }] }
[INFO] [stdout]  right: Program { machines: [Definition { name: "Main", body: [Let(["hello"], Const(Str("Hello, BAM!")))], result: Pipe(Take(Var("hello"), 1), Builtin(Write)) }] }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c37cda6236a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5c37cda6236a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5c37cda6236a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c37cda6236a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c37cda891f3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5c37cda891f3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5c37cda5f503 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5c37cda621b2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5c37cda637ed - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5c37cda635f7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5c37cda12ce7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5c37cda12ce7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5c37cda63e98 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5c37cda63e98 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5c37cda63c5a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5c37cda62849 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5c37cda638ec - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5c37cd920b10 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5c37cd920edb - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x5c37cd9bb556 - core::panicking::assert_failed::hf53e7f1517b283e7
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x5c37cd9ae0ed - bam::tests::parse_hello_world_from_tokens::h6e772a3748d32e8b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:341:9
[INFO] [stdout]   21:     0x5c37cd9ad157 - bam::tests::parse_hello_world_from_tokens::{{closure}}::h7c6b4036b2615cfc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:304:39
[INFO] [stdout]   22:     0x5c37cd9be1d6 - core::ops::function::FnOnce::call_once::h0b114a2c2514c95c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c37cda1780b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c37cda1780b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5c37cda171f8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5c37cda171f8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5c37cda171f8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5c37cda171f8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5c37cda171f8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5c37cda171f8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5c37cda171f8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5c37cd9dac9a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5c37cd9dac9a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5c37cd9de614 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x5c37cd9de614 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5c37cd9de614 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5c37cd9de614 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5c37cd9de614 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5c37cd9de614 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x5c37cd9de614 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c37cda67ddb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x5c37cda67ddb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x5c37cda67ddb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7c652130dac3 - <unknown>
[INFO] [stdout]   45:     0x7c652139ea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::parse_hello_world_from_source stdout ----
[INFO] [stdout] thread 'tests::parse_hello_world_from_source' panicked at src/main.rs:387:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Program { machines: [Definition { name: "Main", body: [Let(["hello"], Const(Str("Hello, BAM!")))], result: Pipe(Take(Var("hello"), 1), Var("Print")) }] }
[INFO] [stdout]  right: Program { machines: [Definition { name: "Main", body: [Let(["hello"], Const(Str("Hello, BAM!")))], result: Pipe(Take(Var("hello"), 1), Builtin(Write)) }] }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c37cda6236a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5c37cda6236a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5c37cda6236a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c37cda6236a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c37cda891f3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5c37cda891f3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5c37cda5f503 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5c37cda621b2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5c37cda637ed - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5c37cda635f7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5c37cda12ce7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5c37cda12ce7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5c37cda63e98 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5c37cda63e98 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5c37cda63c5a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5c37cda62849 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5c37cda638ec - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5c37cd920b10 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5c37cd920edb - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x5c37cd9bb556 - core::panicking::assert_failed::hf53e7f1517b283e7
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x5c37cd9aef61 - bam::tests::parse_hello_world_from_source::h6a0bee63267127dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:387:9
[INFO] [stdout]   21:     0x5c37cd9ae357 - bam::tests::parse_hello_world_from_source::{{closure}}::h0afeef841caa6c72
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:360:39
[INFO] [stdout]   22:     0x5c37cd9bf0f6 - core::ops::function::FnOnce::call_once::h9c878002dde263d5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c37cda1780b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c37cda1780b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5c37cda171f8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5c37cda171f8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5c37cda171f8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5c37cda171f8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5c37cda171f8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5c37cda171f8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5c37cda171f8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5c37cd9dac9a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5c37cd9dac9a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5c37cd9de614 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x5c37cd9de614 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5c37cd9de614 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5c37cd9de614 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5c37cd9de614 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5c37cd9de614 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x5c37cd9de614 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c37cda67ddb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x5c37cda67ddb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x5c37cda67ddb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7c652130dac3 - <unknown>
[INFO] [stdout]   45:     0x7c652139ea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::parse_hello_world_from_source
[INFO] [stdout]     tests::parse_hello_world_from_tokens
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin bam`
[INFO] running `Command { std: "docker" "inspect" "b9e08353c93bcef738c94ad16f437a3bd5d0e2243ce79e3fd933aae7e2410dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e08353c93bcef738c94ad16f437a3bd5d0e2243ce79e3fd933aae7e2410dbf", kill_on_drop: false }`
[INFO] [stdout] b9e08353c93bcef738c94ad16f437a3bd5d0e2243ce79e3fd933aae7e2410dbf
