[INFO] cloning repository https://github.com/FredTheDino/thidy-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredTheDino/thidy-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredTheDino%2Fthidy-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredTheDino%2Fthidy-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b7ec677581cf1d9327d1faff1152a922db7cd1a
[INFO] testing FredTheDino/thidy-lang against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredTheDino%2Fthidy-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FredTheDino/thidy-lang
[INFO] finished tweaking git repo https://github.com/FredTheDino/thidy-lang
[INFO] tweaked toml for git repo https://github.com/FredTheDino/thidy-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FredTheDino/thidy-lang on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FredTheDino/thidy-lang 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a324bee74f07cb8687d537bfe13db222b406e4412be9884c2557729d852819c
[INFO] running `Command { std: "docker" "start" "-a" "8a324bee74f07cb8687d537bfe13db222b406e4412be9884c2557729d852819c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a324bee74f07cb8687d537bfe13db222b406e4412be9884c2557729d852819c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a324bee74f07cb8687d537bfe13db222b406e4412be9884c2557729d852819c", kill_on_drop: false }`
[INFO] [stdout] 8a324bee74f07cb8687d537bfe13db222b406e4412be9884c2557729d852819c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f6477d092f651c34f607130a25a9acdc573131f71a5ce7fe70e7e2fe1f436a6
[INFO] running `Command { std: "docker" "start" "-a" "3f6477d092f651c34f607130a25a9acdc573131f71a5ce7fe70e7e2fe1f436a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling sylt v0.2.0 (/opt/rustwide/workdir/sylt)
[INFO] [stderr]    Compiling levenshtein v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling sylt-macro v0.2.0 (/opt/rustwide/workdir/sylt-macro)
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> sylt-macro/src/macro.rs:350:31
[INFO] [stdout]     |
[INFO] [stdout] 350 |         struct ArgItem(Ident, Token![=], Expr);
[INFO] [stdout]     |                -------        ^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 350 -         struct ArgItem(Ident, Token![=], Expr);
[INFO] [stdout] 350 +         struct ArgItem(Ident, (), Expr);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling logos v0.12.0
[INFO] [stderr]    Compiling sylt-tokenizer v0.2.0 (/opt/rustwide/workdir/sylt-tokenizer)
[INFO] [stderr]    Compiling sylt-common v0.2.0 (/opt/rustwide/workdir/sylt-common)
[INFO] [stderr]    Compiling gumdrop v0.8.0
[INFO] [stderr]    Compiling sylt-parser v0.2.0 (/opt/rustwide/workdir/sylt-parser)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 917 -     drop(enum_name);
[INFO] [stdout] 917 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> sylt-parser/src/statement.rs:739:41
[INFO] [stdout]     |
[INFO] [stdout] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<Statement> {
[INFO] [stdout]     |                                         ^^      ---------------------- the lifetime gets resolved as `'t`
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<'t, Statement> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sylt-compiler v0.2.0 (/opt/rustwide/workdir/sylt-compiler)
[INFO] [stdout] warning: field `file_to_namespace` is never read
[INFO] [stdout]    --> sylt-compiler/src/typechecker.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct TypeChecker {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub file_to_namespace: HashMap<FileOrLib, NamespaceID>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "3f6477d092f651c34f607130a25a9acdc573131f71a5ce7fe70e7e2fe1f436a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6477d092f651c34f607130a25a9acdc573131f71a5ce7fe70e7e2fe1f436a6", kill_on_drop: false }`
[INFO] [stdout] 3f6477d092f651c34f607130a25a9acdc573131f71a5ce7fe70e7e2fe1f436a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05eb4894217019cc31e43b105bcf829f0ad43af2ad6acf1f5f88d74f1b0a0aef
[INFO] running `Command { std: "docker" "start" "-a" "05eb4894217019cc31e43b105bcf829f0ad43af2ad6acf1f5f88d74f1b0a0aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling sylt-macro v0.2.0 (/opt/rustwide/workdir/sylt-macro)
[INFO] [stderr]    Compiling sungod v0.3.1
[INFO] [stderr]    Compiling sylt-tokenizer v0.2.0 (/opt/rustwide/workdir/sylt-tokenizer)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> sylt-macro/src/macro.rs:350:31
[INFO] [stdout]     |
[INFO] [stdout] 350 |         struct ArgItem(Ident, Token![=], Expr);
[INFO] [stdout]     |                -------        ^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 350 -         struct ArgItem(Ident, Token![=], Expr);
[INFO] [stdout] 350 +         struct ArgItem(Ident, (), Expr);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sylt-common v0.2.0 (/opt/rustwide/workdir/sylt-common)
[INFO] [stderr]    Compiling sylt-parser v0.2.0 (/opt/rustwide/workdir/sylt-parser)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 917 -     drop(enum_name);
[INFO] [stdout] 917 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> sylt-parser/src/statement.rs:739:41
[INFO] [stdout]     |
[INFO] [stdout] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<Statement> {
[INFO] [stdout]     |                                         ^^      ---------------------- the lifetime gets resolved as `'t`
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<'t, Statement> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sylt-compiler v0.2.0 (/opt/rustwide/workdir/sylt-compiler)
[INFO] [stdout] warning: field `file_to_namespace` is never read
[INFO] [stdout]    --> sylt-compiler/src/typechecker.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct TypeChecker {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub file_to_namespace: HashMap<FileOrLib, NamespaceID>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:917:5
[INFO] [stdout]     |
[INFO] [stdout] 917 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 917 -     drop(enum_name);
[INFO] [stdout] 917 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> sylt-parser/src/statement.rs:739:41
[INFO] [stdout]     |
[INFO] [stdout] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<Statement> {
[INFO] [stdout]     |                                         ^^      ---------------------- the lifetime gets resolved as `'t`
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<'t, Statement> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sylt v0.2.0 (/opt/rustwide/workdir/sylt)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 50.04s
[INFO] running `Command { std: "docker" "inspect" "05eb4894217019cc31e43b105bcf829f0ad43af2ad6acf1f5f88d74f1b0a0aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05eb4894217019cc31e43b105bcf829f0ad43af2ad6acf1f5f88d74f1b0a0aef", kill_on_drop: false }`
[INFO] [stdout] 05eb4894217019cc31e43b105bcf829f0ad43af2ad6acf1f5f88d74f1b0a0aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34ff3d99c520cce063878e5c9e7c1bf0128a8cdfdd2976a9b28558c5b7f773c2
[INFO] running `Command { std: "docker" "start" "-a" "34ff3d99c520cce063878e5c9e7c1bf0128a8cdfdd2976a9b28558c5b7f773c2", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]    --> sylt-macro/src/macro.rs:350:31
[INFO] [stderr]     |
[INFO] [stderr] 350 |         struct ArgItem(Ident, Token![=], Expr);
[INFO] [stderr]     |                -------        ^^^^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 350 -         struct ArgItem(Ident, Token![=], Expr);
[INFO] [stderr] 350 +         struct ArgItem(Ident, (), Expr);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `sylt-macro` (lib) generated 1 warning
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> sylt-parser/src/parser.rs:917:5
[INFO] [stderr]     |
[INFO] [stderr] 917 |     drop(enum_name);
[INFO] [stderr]     |     ^^^^^---------^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&Identifier`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 917 -     drop(enum_name);
[INFO] [stderr] 917 +     let _ = enum_name;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> sylt-parser/src/statement.rs:739:41
[INFO] [stderr]     |
[INFO] [stderr] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<Statement> {
[INFO] [stderr]     |                                         ^^      ---------------------- the lifetime gets resolved as `'t`
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'t`
[INFO] [stderr]     |
[INFO] [stderr] 739 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<'t, Statement> {
[INFO] [stderr]     |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sylt-parser` (lib) generated 2 warnings
[INFO] [stderr] warning: `sylt-parser` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: field `file_to_namespace` is never read
[INFO] [stderr]    --> sylt-compiler/src/typechecker.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub struct TypeChecker {
[INFO] [stderr]     |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 168 |     pub file_to_namespace: HashMap<FileOrLib, NamespaceID>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sylt-compiler` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sylt-8c50c0f1236b6411)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] = RUNNING 315 PROGRAM TESTS =
[INFO] [stdout]  tests/pure/impure_call_assignment.sy
[INFO] [stdout] test test::program_tests ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::program_tests stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::program_tests' panicked at sylt/src/test.rs:164:10:
[INFO] [stdout] Failed to start: "tests/pure/impure_call_assignment.sy": Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6085c1aaa8d2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6085c1aaa8d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6085c1aaa8d2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6085c1aaa8d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6085c1ad1763 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6085c1ad1763 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x6085c1aa7093 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6085c1aa7093 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6085c1aaa722 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6085c1aac03c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x6085c1aabe92 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x6085c1a559f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x6085c1a559f4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6085c1aacb1b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x6085c1aacb1b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x6085c1aac7ea - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x6085c1aaadc9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x6085c1aac47d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x6085c1acfc20 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6085c1acff96 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x6085c1913ac9 - core::result::Result<T,E>::expect::h91dbbea06e4f31a8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x6085c1913ac9 - sylt::test::run_test::hfe639111c2facce2
[INFO] [stdout]                                at /opt/rustwide/workdir/sylt/src/test.rs:164:10
[INFO] [stdout]   22:     0x6085c1913ac9 - sylt::test::program_tests::h36edc8e76826d9a1
[INFO] [stdout]                                at /opt/rustwide/workdir/sylt/src/test.rs:224:13
[INFO] [stdout]   23:     0x6085c19221a9 - sylt::test::program_tests::{{closure}}::h1cce8431cbb67ee6
[INFO] [stdout]                                at /opt/rustwide/workdir/sylt/src/test.rs:207:19
[INFO] [stdout]   24:     0x6085c19221a9 - core::ops::function::FnOnce::call_once::hbefeb5d848181ef7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6085c1a5b12b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x6085c1a5b12b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x6085c1a5a36e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x6085c1a5a36e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x6085c1a5a36e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x6085c1a5a36e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x6085c1a5a36e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x6085c1a5a36e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x6085c1a5a36e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x6085c1a1df14 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x6085c1a1df14 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x6085c1a218ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x6085c1a218ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x6085c1a218ba - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x6085c1a218ba - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x6085c1a218ba - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x6085c1a218ba - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x6085c1a218ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x6085c1aafbc7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x6085c1aafbc7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x6085c1aafbc7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7f9197f7faa4 - <unknown>
[INFO] [stdout]   47:     0x7f919800ca34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::program_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p sylt --lib`
[INFO] running `Command { std: "docker" "inspect" "34ff3d99c520cce063878e5c9e7c1bf0128a8cdfdd2976a9b28558c5b7f773c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ff3d99c520cce063878e5c9e7c1bf0128a8cdfdd2976a9b28558c5b7f773c2", kill_on_drop: false }`
[INFO] [stdout] 34ff3d99c520cce063878e5c9e7c1bf0128a8cdfdd2976a9b28558c5b7f773c2
