[INFO] cloning repository https://github.com/HSMF/linear-types
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HSMF/linear-types" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHSMF%2Flinear-types", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHSMF%2Flinear-types'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8e37b5f500e01b4f727319ce9df0ef13a22e8a2
[INFO] checking HSMF/linear-types 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%2FHSMF%2Flinear-types" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HSMF/linear-types
[INFO] finished tweaking git repo https://github.com/HSMF/linear-types
[INFO] tweaked toml for git repo https://github.com/HSMF/linear-types written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HSMF/linear-types 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/HSMF/linear-types 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c3738df6b1c2745b6aba1fc7090a2576b4ea5d5a7b6c69febfc9653fc6945671
[INFO] running `Command { std: "docker" "start" "-a" "c3738df6b1c2745b6aba1fc7090a2576b4ea5d5a7b6c69febfc9653fc6945671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3738df6b1c2745b6aba1fc7090a2576b4ea5d5a7b6c69febfc9653fc6945671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3738df6b1c2745b6aba1fc7090a2576b4ea5d5a7b6c69febfc9653fc6945671", kill_on_drop: false }`
[INFO] [stdout] c3738df6b1c2745b6aba1fc7090a2576b4ea5d5a7b6c69febfc9653fc6945671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 55b300ab5ac4a39b3b853ad0cd80c6c9d01157188bfd74c19e9b355b0095569d
[INFO] running `Command { std: "docker" "start" "-a" "55b300ab5ac4a39b3b853ad0cd80c6c9d01157188bfd74c19e9b355b0095569d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling inkwell v0.5.0
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking clap_builder v4.5.30
[INFO] [stderr]    Compiling llvm-sys v170.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling inkwell_internals v0.10.0
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking thiserror v2.0.11
[INFO] [stderr]     Checking clap v4.5.30
[INFO] [stderr]     Checking linear-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> src/types/check.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn check_program(p: &Program) -> Result<(), TypeError> {
[INFO] [stdout]   |                      ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]  --> src/types/check.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn check_program(p: &Program) -> Result<(), TypeError> {
[INFO] [stdout]   |                      ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:122:67
[INFO] [stdout]     |
[INFO] [stdout] 122 |       pub fn codegen_to_string(&self) -> Result<String, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 123 | |         let ctx = Context::create();
[INFO] [stdout] 124 | |         let compiled = Codegen::compile(&ctx, "hello_world", &self.program);
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Ok(compiled.print_to_string())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linear-type` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:122:67
[INFO] [stdout]     |
[INFO] [stdout] 122 |       pub fn codegen_to_string(&self) -> Result<String, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 123 | |         let ctx = Context::create();
[INFO] [stdout] 124 | |         let compiled = Codegen::compile(&ctx, "hello_world", &self.program);
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Ok(compiled.print_to_string())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linear-type` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "55b300ab5ac4a39b3b853ad0cd80c6c9d01157188bfd74c19e9b355b0095569d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b300ab5ac4a39b3b853ad0cd80c6c9d01157188bfd74c19e9b355b0095569d", kill_on_drop: false }`
[INFO] [stdout] 55b300ab5ac4a39b3b853ad0cd80c6c9d01157188bfd74c19e9b355b0095569d
