[INFO] cloning repository https://github.com/toy-lang/toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toy-lang/toy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d636cffddd881b93445c80937f6e170af3def21
[INFO] building toy-lang/toy against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoy-lang%2Ftoy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toy-lang/toy on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/toy-lang/toy
[INFO] finished tweaking git repo https://github.com/toy-lang/toy
[INFO] tweaked toml for git repo https://github.com/toy-lang/toy written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/toy-lang/toy 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41392c2d49cc0f1c431dc0e6b52946ebaba94451f597ffc4a2f9446708683dcc
[INFO] running `Command { std: "docker" "start" "-a" "41392c2d49cc0f1c431dc0e6b52946ebaba94451f597ffc4a2f9446708683dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41392c2d49cc0f1c431dc0e6b52946ebaba94451f597ffc4a2f9446708683dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41392c2d49cc0f1c431dc0e6b52946ebaba94451f597ffc4a2f9446708683dcc", kill_on_drop: false }`
[INFO] [stdout] 41392c2d49cc0f1c431dc0e6b52946ebaba94451f597ffc4a2f9446708683dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3456f7ea56605a47f88dbb24d2e90a7de02624bf2dc0fcae96363b88c1e8523c
[INFO] running `Command { std: "docker" "start" "-a" "3456f7ea56605a47f88dbb24d2e90a7de02624bf2dc0fcae96363b88c1e8523c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling supports-hyperlinks v2.1.0
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling supports-unicode v2.0.0
[INFO] [stderr]    Compiling supports-color v2.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling toylang v0.1.4 (/opt/rustwide/workdir/toylang)
[INFO] [stderr]    Compiling toy_codegen v0.1.0 (/opt/rustwide/workdir/toy_codegen)
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling toy_macros v0.1.4 (/opt/rustwide/workdir/toy_macros)
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]    Compiling logos v0.13.0
[INFO] [stderr]    Compiling miette v5.10.0
[INFO] [stderr]    Compiling toyc v0.1.4 (/opt/rustwide/workdir/toyc)
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]    --> toyc/src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn lex<'a>(input: &'a str) -> TokenStream<'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> toyc/src/parser/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err_ty` is never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 72 |     err_ty: SyntaxErrorType
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Expected(String, Option<String>),
[INFO] [stdout]    |     -------- ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Expected((), ()),
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Custom(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 89 |     Custom(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "3456f7ea56605a47f88dbb24d2e90a7de02624bf2dc0fcae96363b88c1e8523c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3456f7ea56605a47f88dbb24d2e90a7de02624bf2dc0fcae96363b88c1e8523c", kill_on_drop: false }`
[INFO] [stdout] 3456f7ea56605a47f88dbb24d2e90a7de02624bf2dc0fcae96363b88c1e8523c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f31ffab1d269ad260b5f7c3c622870c6cf089cadede181759978eafa500f8fe
[INFO] running `Command { std: "docker" "start" "-a" "5f31ffab1d269ad260b5f7c3c622870c6cf089cadede181759978eafa500f8fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy_macros v0.1.4 (/opt/rustwide/workdir/toy_macros)
[INFO] [stderr]    Compiling toylang v0.1.4 (/opt/rustwide/workdir/toylang)
[INFO] [stderr]    Compiling toy_codegen v0.1.0 (/opt/rustwide/workdir/toy_codegen)
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]    Compiling toyc v0.1.4 (/opt/rustwide/workdir/toyc)
[INFO] [stdout] warning: function `lex` is never used
[INFO] [stdout]    --> toyc/src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn lex<'a>(input: &'a str) -> TokenStream<'a> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> toyc/src/parser/mod.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err_ty` is never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct SyntaxError {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 72 |     err_ty: SyntaxErrorType
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Expected(String, Option<String>),
[INFO] [stdout]    |     -------- ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 |     Expected((), ()),
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> toyc/src/parser/mod.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Custom(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 89 |     Custom(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "5f31ffab1d269ad260b5f7c3c622870c6cf089cadede181759978eafa500f8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f31ffab1d269ad260b5f7c3c622870c6cf089cadede181759978eafa500f8fe", kill_on_drop: false }`
[INFO] [stdout] 5f31ffab1d269ad260b5f7c3c622870c6cf089cadede181759978eafa500f8fe