[INFO] cloning repository https://github.com/EliasPrescott/swish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EliasPrescott/swish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliasPrescott%2Fswish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliasPrescott%2Fswish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 931751878c29f349dbea8d816daaaf51be4058ed
[INFO] testing EliasPrescott/swish against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliasPrescott%2Fswish" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EliasPrescott/swish on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EliasPrescott/swish
[INFO] finished tweaking git repo https://github.com/EliasPrescott/swish
[INFO] tweaked toml for git repo https://github.com/EliasPrescott/swish written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EliasPrescott/swish 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b63a27bc85ce48dedea06490a380f715edd73dbea8cd6febf475c28710cf008a
[INFO] running `Command { std: "docker" "start" "-a" "b63a27bc85ce48dedea06490a380f715edd73dbea8cd6febf475c28710cf008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b63a27bc85ce48dedea06490a380f715edd73dbea8cd6febf475c28710cf008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63a27bc85ce48dedea06490a380f715edd73dbea8cd6febf475c28710cf008a", kill_on_drop: false }`
[INFO] [stdout] b63a27bc85ce48dedea06490a380f715edd73dbea8cd6febf475c28710cf008a
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02b0abebc67438f72aa20e3f57cf1b330200f289908f189a8f761ccd2552e687
[INFO] running `Command { std: "docker" "start" "-a" "02b0abebc67438f72aa20e3f57cf1b330200f289908f189a8f761ccd2552e687", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.2
[INFO] [stderr]    Compiling swish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/ast_type.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::HashSet,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multispace1`
[INFO] [stdout]  --> src/ast_type.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     character::complete::{alpha1, char, multispace0, multispace1},
[INFO] [stdout]   |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::identifier_parser::identifier`
[INFO] [stdout]   --> src/ast_type.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::identifier_parser::identifier;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg0`
[INFO] [stdout]    --> src/ast.rs:114:27
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Builtin(arg0, arg1) => f.debug_tuple("Builtin").finish(),
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_arg0`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]    --> src/ast.rs:114:33
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Builtin(arg0, arg1) => f.debug_tuple("Builtin").finish(),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l0`
[INFO] [stdout]    --> src/ast.rs:123:28
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_l0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l1`
[INFO] [stdout]    --> src/ast.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r0`
[INFO] [stdout]    --> src/ast.rs:123:51
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_r0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]    --> src/ast.rs:123:55
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/ast.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             other => None,
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_first_identifier_usage` is never used
[INFO] [stdout]    --> src/ast.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl AstNode {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn get_first_identifier_usage(&self, identifier: &str) -> Option<&Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `float` is never used
[INFO] [stdout]  --> src/test_helpers.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn float(float: f64) -> AstNode {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int` is never used
[INFO] [stdout]   --> src/test_helpers.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn int(int: i64) -> AstNode {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit` is never used
[INFO] [stdout]   --> src/test_helpers.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const unit: AstNode = AstNode::Unit;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ident` is never used
[INFO] [stdout]   --> src/test_helpers.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn ident(text: &str, expected_type: AstType) -> AstNode {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func` is never used
[INFO] [stdout]   --> src/test_helpers.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn func(param: &str, expected_param_type: AstType, body: AstNode) -> AstNode {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_call` is never used
[INFO] [stdout]   --> src/test_helpers.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn func_call(items: Vec<AstNode>) -> AstNode {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_parse` is never used
[INFO] [stdout]   --> src/test_helpers.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn assert_parse(input: &str, comp: AstNode) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn assert_type(input: &str, t: AstType) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn parse_type(input: &str, t: AstType) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `poly_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn poly_type(name: &str) -> AstType {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bounded_poly_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn bounded_poly_type(name: &str, bounds: Vec<AstType>) -> AstType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn func_type(parameter_type: AstType, body_type: AstType) -> AstType {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `int_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub const int_type: AstType = AstType::Mono(MonoType::Integer);
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `float_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub const float_type: AstType = AstType::Mono(MonoType::Float);
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `string_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const string_type: AstType = AstType::Mono(MonoType::String);
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit_type` is never used
[INFO] [stdout]   --> src/test_helpers.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub const unit_type: AstType = AstType::Mono(MonoType::Unit);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const unit: AstNode = AstNode::Unit;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `UNIT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `int_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub const int_type: AstType = AstType::Mono(MonoType::Integer);
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper case: `INT_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `float_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub const float_type: AstType = AstType::Mono(MonoType::Float);
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `FLOAT_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `string_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const string_type: AstType = AstType::Mono(MonoType::String);
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `STRING_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub const unit_type: AstType = AstType::Mono(MonoType::Unit);
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `UNIT_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "02b0abebc67438f72aa20e3f57cf1b330200f289908f189a8f761ccd2552e687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b0abebc67438f72aa20e3f57cf1b330200f289908f189a8f761ccd2552e687", kill_on_drop: false }`
[INFO] [stdout] 02b0abebc67438f72aa20e3f57cf1b330200f289908f189a8f761ccd2552e687
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbbc00442ffa391b436fcda86a21eb9f55fab23512dd574618bff4e459ca427
[INFO] running `Command { std: "docker" "start" "-a" "6fbbc00442ffa391b436fcda86a21eb9f55fab23512dd574618bff4e459ca427", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling swish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/ast_type.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::HashSet,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multispace1`
[INFO] [stdout]  --> src/ast_type.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     character::complete::{alpha1, char, multispace0, multispace1},
[INFO] [stdout]   |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::identifier_parser::identifier`
[INFO] [stdout]   --> src/ast_type.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::identifier_parser::identifier;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg0`
[INFO] [stdout]    --> src/ast.rs:114:27
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Builtin(arg0, arg1) => f.debug_tuple("Builtin").finish(),
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_arg0`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]    --> src/ast.rs:114:33
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Self::Builtin(arg0, arg1) => f.debug_tuple("Builtin").finish(),
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l0`
[INFO] [stdout]    --> src/ast.rs:123:28
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_l0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l1`
[INFO] [stdout]    --> src/ast.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r0`
[INFO] [stdout]    --> src/ast.rs:123:51
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_r0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]    --> src/ast.rs:123:55
[INFO] [stdout]     |
[INFO] [stdout] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/ast.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             other => None,
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_first_identifier_usage` is never used
[INFO] [stdout]    --> src/ast.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl AstNode {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn get_first_identifier_usage(&self, identifier: &str) -> Option<&Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ident` is never used
[INFO] [stdout]   --> src/test_helpers.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn ident(text: &str, expected_type: AstType) -> AstNode {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func` is never used
[INFO] [stdout]   --> src/test_helpers.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn func(param: &str, expected_param_type: AstType, body: AstNode) -> AstNode {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_call` is never used
[INFO] [stdout]   --> src/test_helpers.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn func_call(items: Vec<AstNode>) -> AstNode {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const unit: AstNode = AstNode::Unit;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `UNIT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `int_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub const int_type: AstType = AstType::Mono(MonoType::Integer);
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper case: `INT_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `float_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub const float_type: AstType = AstType::Mono(MonoType::Float);
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `FLOAT_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `string_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const string_type: AstType = AstType::Mono(MonoType::String);
[INFO] [stdout]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `STRING_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `unit_type` should have an upper case name
[INFO] [stdout]   --> src/test_helpers.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub const unit_type: AstType = AstType::Mono(MonoType::Unit);
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `UNIT_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "6fbbc00442ffa391b436fcda86a21eb9f55fab23512dd574618bff4e459ca427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbbc00442ffa391b436fcda86a21eb9f55fab23512dd574618bff4e459ca427", kill_on_drop: false }`
[INFO] [stdout] 6fbbc00442ffa391b436fcda86a21eb9f55fab23512dd574618bff4e459ca427
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9799feea711354e9b1ca9f9babfb76a2b38950d27af719b2c979b9118747ad76
[INFO] running `Command { std: "docker" "start" "-a" "9799feea711354e9b1ca9f9babfb76a2b38950d27af719b2c979b9118747ad76", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `collections::HashSet`
[INFO] [stderr]  --> src/ast_type.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     collections::HashSet,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multispace1`
[INFO] [stderr]  --> src/ast_type.rs:9:54
[INFO] [stderr]   |
[INFO] [stderr] 9 |     character::complete::{alpha1, char, multispace0, multispace1},
[INFO] [stderr]   |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::identifier_parser::identifier`
[INFO] [stderr]   --> src/ast_type.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::identifier_parser::identifier;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg0`
[INFO] [stderr]    --> src/ast.rs:114:27
[INFO] [stderr]     |
[INFO] [stderr] 114 |             Self::Builtin(arg0, arg1) => f.debug_tuple("Builtin").finish(),
[INFO] [stderr]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_arg0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg1`
[INFO] [stderr]    --> src/ast.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |             Self::Builtin(arg0, arg1) => f.debug_tuple("Builtin").finish(),
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l0`
[INFO] [stderr]    --> src/ast.rs:123:28
[INFO] [stderr]     |
[INFO] [stderr] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_l0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l1`
[INFO] [stderr]    --> src/ast.rs:123:32
[INFO] [stderr]     |
[INFO] [stderr] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stderr]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r0`
[INFO] [stderr]    --> src/ast.rs:123:51
[INFO] [stderr]     |
[INFO] [stderr] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stderr]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_r0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r1`
[INFO] [stderr]    --> src/ast.rs:123:55
[INFO] [stderr]     |
[INFO] [stderr] 123 |             (Self::Builtin(l0, l1), Self::Builtin(r0, r1)) => false,
[INFO] [stderr]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/ast.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             other => None,
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_first_identifier_usage` is never used
[INFO] [stderr]    --> src/ast.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl AstNode {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 146 |     pub fn get_first_identifier_usage(&self, identifier: &str) -> Option<&Self> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `ident` is never used
[INFO] [stderr]   --> src/test_helpers.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn ident(text: &str, expected_type: AstType) -> AstNode {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `func` is never used
[INFO] [stderr]   --> src/test_helpers.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn func(param: &str, expected_param_type: AstType, body: AstNode) -> AstNode {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `func_call` is never used
[INFO] [stderr]   --> src/test_helpers.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn func_call(items: Vec<AstNode>) -> AstNode {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `unit` should have an upper case name
[INFO] [stderr]   --> src/test_helpers.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const unit: AstNode = AstNode::Unit;
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `UNIT`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `int_type` should have an upper case name
[INFO] [stderr]   --> src/test_helpers.rs:69:11
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub const int_type: AstType = AstType::Mono(MonoType::Integer);
[INFO] [stderr]    |           ^^^^^^^^ help: convert the identifier to upper case: `INT_TYPE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `float_type` should have an upper case name
[INFO] [stderr]   --> src/test_helpers.rs:70:11
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub const float_type: AstType = AstType::Mono(MonoType::Float);
[INFO] [stderr]    |           ^^^^^^^^^^ help: convert the identifier to upper case: `FLOAT_TYPE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `string_type` should have an upper case name
[INFO] [stderr]   --> src/test_helpers.rs:71:11
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub const string_type: AstType = AstType::Mono(MonoType::String);
[INFO] [stderr]    |           ^^^^^^^^^^^ help: convert the identifier to upper case: `STRING_TYPE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `unit_type` should have an upper case name
[INFO] [stderr]   --> src/test_helpers.rs:72:11
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub const unit_type: AstType = AstType::Mono(MonoType::Unit);
[INFO] [stderr]    |           ^^^^^^^^^ help: convert the identifier to upper case: `UNIT_TYPE`
[INFO] [stderr] 
[INFO] [stderr] warning: `swish` (bin "swish" test) generated 19 warnings (run `cargo fix --bin "swish" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/swish-f48b2f2a38b8ec95)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::parse_float ... ok
[INFO] [stdout] test tests::parse_integer ... ok
[INFO] [stdout] test tests::parse_types ... ok
[INFO] [stdout] test tests::parse_unit ... ok
[INFO] [stdout] test tests::inference_tests ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::inference_tests stdout ----
[INFO] [stdout] thread 'tests::inference_tests' panicked at src/test_helpers.rs:40:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 'a -> int
[INFO] [stdout]  right: int -> int
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ec06331595 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55ec06331595 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ec06331595 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55ec06331595 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55ec063591db - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55ec063591db - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55ec0632edcf - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55ec0633136e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55ec0633136e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55ec06332d99 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55ec06332a5e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55ec062ff56a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55ec062ff56a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55ec0633339b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55ec0633339b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55ec06333114 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55ec06331a59 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55ec06332e47 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55ec06285843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55ec06285c2e - core::panicking::assert_failed_inner::h01c8f7f0c1caba58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x55ec0629718e - core::panicking::assert_failed::h790080ab6b0c6135
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x55ec062a9c12 - swish::test_helpers::assert_type::hbbcdd0f69f7469e5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test_helpers.rs:40:5
[INFO] [stdout]   22:     0x55ec062925ff - swish::tests::inference_tests::h9f9e510fd10d0fe3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:70:9
[INFO] [stdout]   23:     0x55ec06291f17 - swish::tests::inference_tests::{{closure}}::hb3b1e27fa95d6297
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:47:25
[INFO] [stdout]   24:     0x55ec062ab266 - core::ops::function::FnOnce::call_once::h5f2b2ff00fde0254
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55ec06303f4b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55ec06303f4b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   27:     0x55ec06303651 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   28:     0x55ec06303651 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55ec06303651 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x55ec06303651 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x55ec06303651 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x55ec06303651 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   33:     0x55ec06303651 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   34:     0x55ec062cc014 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   35:     0x55ec062cc014 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x55ec062d0a42 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   37:     0x55ec062d0a42 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55ec062d0a42 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   39:     0x55ec062d0a42 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   40:     0x55ec062d0a42 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   41:     0x55ec062d0a42 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   42:     0x55ec062d0a42 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55ec0633757b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55ec0633757b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   45:     0x55ec0633757b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f7bba311ac3 - <unknown>
[INFO] [stdout]   47:     0x7f7bba3a2a04 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::inference_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin swish`
[INFO] running `Command { std: "docker" "inspect" "9799feea711354e9b1ca9f9babfb76a2b38950d27af719b2c979b9118747ad76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9799feea711354e9b1ca9f9babfb76a2b38950d27af719b2c979b9118747ad76", kill_on_drop: false }`
[INFO] [stdout] 9799feea711354e9b1ca9f9babfb76a2b38950d27af719b2c979b9118747ad76
