[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 master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbam-lang%2Fbam" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bam-lang/bam on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f011131caed670dfcd23fed8bfe891a9f8710e3ccd779d846279a0716b7f69f1
[INFO] running `Command { std: "docker" "start" "-a" "f011131caed670dfcd23fed8bfe891a9f8710e3ccd779d846279a0716b7f69f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f011131caed670dfcd23fed8bfe891a9f8710e3ccd779d846279a0716b7f69f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f011131caed670dfcd23fed8bfe891a9f8710e3ccd779d846279a0716b7f69f1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "b67ab0dfe4fc67c5493267e887a55f3c0fea344a0805a0d2677f80ba302fb6e2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling io-lifetimes v0.7.2
[INFO] [stderr]    Compiling rustix v0.35.7
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling chumsky v0.8.0
[INFO] [stderr]    Compiling fd-lock v3.0.6
[INFO] [stderr]    Compiling rustyline v10.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tracing v0.1.35
[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)]` (part of `#[warn(unused)]`) 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: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/compiler.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     .reduce(|acc, s| (acc + ", " + s.as_str()))
[INFO] [stdout]    |                                      ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -                     .reduce(|acc, s| (acc + ", " + s.as_str()))
[INFO] [stdout] 74 +                     .reduce(|acc, s| acc + ", " + s.as_str())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/syntax.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     .reduce(|acc, val| (acc + ", " + val.as_str()))
[INFO] [stdout]    |                                        ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                     .reduce(|acc, val| (acc + ", " + val.as_str()))
[INFO] [stdout] 96 +                     .reduce(|acc, val| acc + ", " + val.as_str() )
[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: 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)]` (part of `#[warn(unused)]`) 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: unused variable: `tenv`
[INFO] [stdout]    --> src/main.rs:103:9
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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: variants `Num`, `Bool`, `String`, `Tuple`, `TyVar`, and `UnifVar` are never constructed
[INFO] [stdout]    --> src/types.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum Type {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] 138 |     Num,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 139 |     Bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 140 |     String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 141 |     Tuple(Vec<Type>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 142 |     TyVar(usize),
[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: enum `TypeError` is never used
[INFO] [stdout]    --> src/types.rs:169:10
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub enum TypeError {
[INFO] [stdout]     |          ^^^^^^^^^
[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)]` (part of `#[warn(unused)]`) 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 22.82s
[INFO] running `Command { std: "docker" "inspect" "b67ab0dfe4fc67c5493267e887a55f3c0fea344a0805a0d2677f80ba302fb6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67ab0dfe4fc67c5493267e887a55f3c0fea344a0805a0d2677f80ba302fb6e2", kill_on_drop: false }`
[INFO] [stdout] b67ab0dfe4fc67c5493267e887a55f3c0fea344a0805a0d2677f80ba302fb6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12710ef537adb1e3557685583c6d08531a8e319a0a11d0b0b8bccf879d739459
[INFO] running `Command { std: "docker" "start" "-a" "12710ef537adb1e3557685583c6d08531a8e319a0a11d0b0b8bccf879d739459", 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)]` (part of `#[warn(unused)]`) 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: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/compiler.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     .reduce(|acc, s| (acc + ", " + s.as_str()))
[INFO] [stdout]    |                                      ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -                     .reduce(|acc, s| (acc + ", " + s.as_str()))
[INFO] [stdout] 74 +                     .reduce(|acc, s| acc + ", " + s.as_str())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/syntax.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |                     .reduce(|acc, val| (acc + ", " + val.as_str()))
[INFO] [stdout]    |                                        ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                     .reduce(|acc, val| (acc + ", " + val.as_str()))
[INFO] [stdout] 96 +                     .reduce(|acc, val| acc + ", " + val.as_str() )
[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: 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)]` (part of `#[warn(unused)]`) 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: unused variable: `tenv`
[INFO] [stdout]    --> src/main.rs:103:9
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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: variants `Num`, `Bool`, `String`, `Tuple`, `TyVar`, and `UnifVar` are never constructed
[INFO] [stdout]    --> src/types.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum Type {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] 138 |     Num,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 139 |     Bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 140 |     String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 141 |     Tuple(Vec<Type>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 142 |     TyVar(usize),
[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: enum `TypeError` is never used
[INFO] [stdout]    --> src/types.rs:169:10
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub enum TypeError {
[INFO] [stdout]     |          ^^^^^^^^^
[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)]` (part of `#[warn(unused)]`) 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 2.90s
[INFO] running `Command { std: "docker" "inspect" "12710ef537adb1e3557685583c6d08531a8e319a0a11d0b0b8bccf879d739459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12710ef537adb1e3557685583c6d08531a8e319a0a11d0b0b8bccf879d739459", kill_on_drop: false }`
[INFO] [stdout] 12710ef537adb1e3557685583c6d08531a8e319a0a11d0b0b8bccf879d739459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d35c2ee47284fb77076ac31c6edc9679c0e284da987d4fa43f6bc0fde29bac63
[INFO] running `Command { std: "docker" "start" "-a" "d35c2ee47284fb77076ac31c6edc9679c0e284da987d4fa43f6bc0fde29bac63", 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)]` (part of `#[warn(unused)]`) 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: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/compiler.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     .reduce(|acc, s| (acc + ", " + s.as_str()))
[INFO] [stderr]    |                                      ^                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 74 -                     .reduce(|acc, s| (acc + ", " + s.as_str()))
[INFO] [stderr] 74 +                     .reduce(|acc, s| acc + ", " + s.as_str())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/syntax.rs:96:40
[INFO] [stderr]    |
[INFO] [stderr] 96 |                     .reduce(|acc, val| (acc + ", " + val.as_str()))
[INFO] [stderr]    |                                        ^                         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 -                     .reduce(|acc, val| (acc + ", " + val.as_str()))
[INFO] [stderr] 96 +                     .reduce(|acc, val| acc + ", " + val.as_str() )
[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: 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)]` (part of `#[warn(unused)]`) 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: unused variable: `tenv`
[INFO] [stderr]    --> src/main.rs:103:9
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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: variants `Num`, `Bool`, `String`, `Tuple`, `TyVar`, and `UnifVar` are never constructed
[INFO] [stderr]    --> src/types.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub enum Type {
[INFO] [stderr]     |          ---- variants in this enum
[INFO] [stderr] 138 |     Num,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 139 |     Bool,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 140 |     String,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 141 |     Tuple(Vec<Type>),
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 142 |     TyVar(usize),
[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: enum `TypeError` is never used
[INFO] [stderr]    --> src/types.rs:169:10
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub enum TypeError {
[INFO] [stderr]     |          ^^^^^^^^^
[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)]` (part of `#[warn(unused)]`) 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 36 warnings (run `cargo fix --bin "bam" -p bam --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bam-6e794a851395a615)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass `--bin bam`
[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] 
[INFO] [stdout] thread 'tests::parse_hello_world_from_tokens' (25) 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:     0x5675e6cae152 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5675e6cae152 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5675e6cae152 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5675e6cae152 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5675e6cbe5df - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5675e6cbe5df - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5675e6c7b843 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5675e6c7b843 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5675e6c87712 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5675e6c8c39f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5675e6c8c231 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5675e6c360ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5675e6c360ee - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5675e6c8c9af - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5675e6c8c9af - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5675e6c8c80a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5675e6c87859 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5675e6c7013d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5675e6cc7a80 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5675e6cc7883 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x5675e6be9e3f - core::panicking::assert_failed::h9052ca7d031acd9a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x5675e6c0c7d7 - bam::tests::parse_hello_world_from_tokens::h257365552d009caf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:341:9
[INFO] [stdout]   22:     0x5675e6c0c997 - bam::tests::parse_hello_world_from_tokens::{{closure}}::hcaaaff7017683718
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:304:39
[INFO] [stdout]   23:     0x5675e6bee246 - core::ops::function::FnOnce::call_once::h8c36c8bf60beaadf
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5675e6c35ecb - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5675e6c35ecb - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5675e6c49f4d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5675e6c49f4d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5675e6c49f4d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5675e6c49f4d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5675e6c49f4d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5675e6c49f4d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5675e6c49f4d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5675e6c23464 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5675e6c23464 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5675e6c26d9a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5675e6c26d9a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5675e6c26d9a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5675e6c26d9a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5675e6c26d9a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5675e6c26d9a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5675e6c26d9a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5675e6c82c4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5675e6c82c4f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x77a0498d4aa4 - <unknown>
[INFO] [stdout]   45:     0x77a049961a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::parse_hello_world_from_source stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::parse_hello_world_from_source' (24) 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:     0x5675e6cae152 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5675e6cae152 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5675e6cae152 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5675e6cae152 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5675e6cbe5df - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5675e6cbe5df - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5675e6c7b843 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5675e6c7b843 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5675e6c87712 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5675e6c8c39f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5675e6c8c231 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5675e6c360ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5675e6c360ee - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5675e6c8c9af - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5675e6c8c9af - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5675e6c8c80a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5675e6c87859 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5675e6c7013d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5675e6cc7a80 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5675e6cc7883 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x5675e6be9e3f - core::panicking::assert_failed::h9052ca7d031acd9a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x5675e6c0b524 - bam::tests::parse_hello_world_from_source::hd12942ead843370e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:387:9
[INFO] [stdout]   22:     0x5675e6c0b657 - bam::tests::parse_hello_world_from_source::{{closure}}::hbd224db99f7cd31c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:360:39
[INFO] [stdout]   23:     0x5675e6beda56 - core::ops::function::FnOnce::call_once::h61c95f60740beb7e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5675e6c35ecb - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5675e6c35ecb - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5675e6c49f4d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5675e6c49f4d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5675e6c49f4d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5675e6c49f4d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5675e6c49f4d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5675e6c49f4d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5675e6c49f4d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5675e6c23464 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5675e6c23464 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5675e6c26d9a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x5675e6c26d9a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5675e6c26d9a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5675e6c26d9a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5675e6c26d9a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5675e6c26d9a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x5675e6c26d9a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5675e6c82c4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x5675e6c82c4f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x77a0498d4aa4 - <unknown>
[INFO] [stdout]   45:     0x77a049961a64 - 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 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d35c2ee47284fb77076ac31c6edc9679c0e284da987d4fa43f6bc0fde29bac63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c2ee47284fb77076ac31c6edc9679c0e284da987d4fa43f6bc0fde29bac63", kill_on_drop: false }`
[INFO] [stdout] d35c2ee47284fb77076ac31c6edc9679c0e284da987d4fa43f6bc0fde29bac63
