[INFO] cloning repository https://github.com/caeklol/brainfsck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caeklol/brainfsck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaeklol%2Fbrainfsck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaeklol%2Fbrainfsck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74d652a5fe13150671259f7d77fa4aa754b76aaf
[INFO] checking caeklol/brainfsck against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaeklol%2Fbrainfsck" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/caeklol/brainfsck
[INFO] finished tweaking git repo https://github.com/caeklol/brainfsck
[INFO] tweaked toml for git repo https://github.com/caeklol/brainfsck written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/caeklol/brainfsck on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/caeklol/brainfsck 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13922e091d2c547957b15e239b09f79ef60444ff83ef14bbde7c78ce900b0752
[INFO] running `Command { std: "docker" "start" "-a" "13922e091d2c547957b15e239b09f79ef60444ff83ef14bbde7c78ce900b0752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13922e091d2c547957b15e239b09f79ef60444ff83ef14bbde7c78ce900b0752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13922e091d2c547957b15e239b09f79ef60444ff83ef14bbde7c78ce900b0752", kill_on_drop: false }`
[INFO] [stdout] 13922e091d2c547957b15e239b09f79ef60444ff83ef14bbde7c78ce900b0752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5005432897994939eed2f8787cd4f3d6a8e1c472e2fce7dd59ad0c48cd10b91
[INFO] running `Command { std: "docker" "start" "-a" "e5005432897994939eed2f8787cd4f3d6a8e1c472e2fce7dd59ad0c48cd10b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking sharded-slab v0.1.6
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling inkwell v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking path-clean v1.0.1
[INFO] [stderr]     Checking custom_error v1.9.2
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling inkwell_internals v0.8.0
[INFO] [stderr]    Compiling llvm-sys v160.1.3
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking brainfsck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/compiler.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Compile(LLVMError),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompilerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 25 -     Compile(LLVMError),
[INFO] [stdout] 25 +     Compile(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/compiler.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Parse(ParseError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompilerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 26 -     Parse(ParseError),
[INFO] [stdout] 26 +     Parse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/compiler.rs:73:40
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let tape_type = i8_type.array_type(tape_size.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler.rs:212:14
[INFO] [stdout]     |
[INFO] [stdout] 212 |     context: &Context,
[INFO] [stdout]     |              ^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 215 | ) -> Result<Module, LLVMError> {
[INFO] [stdout]     |             ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 215 | ) -> Result<Module<'_>, LLVMError> {
[INFO] [stdout]     |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainfsck` (bin "brainfsck") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/compiler.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Compile(LLVMError),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompilerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 25 -     Compile(LLVMError),
[INFO] [stdout] 25 +     Compile(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/compiler.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Parse(ParseError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompilerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 26 -     Parse(ParseError),
[INFO] [stdout] 26 +     Parse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/compiler.rs:73:40
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let tape_type = i8_type.array_type(tape_size.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler.rs:212:14
[INFO] [stdout]     |
[INFO] [stdout] 212 |     context: &Context,
[INFO] [stdout]     |              ^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 215 | ) -> Result<Module, LLVMError> {
[INFO] [stdout]     |             ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 215 | ) -> Result<Module<'_>, LLVMError> {
[INFO] [stdout]     |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainfsck` (bin "brainfsck" test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e5005432897994939eed2f8787cd4f3d6a8e1c472e2fce7dd59ad0c48cd10b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5005432897994939eed2f8787cd4f3d6a8e1c472e2fce7dd59ad0c48cd10b91", kill_on_drop: false }`
[INFO] [stdout] e5005432897994939eed2f8787cd4f3d6a8e1c472e2fce7dd59ad0c48cd10b91
