[INFO] cloning repository https://github.com/pejato/kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pejato/kaleidoscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpejato%2Fkaleidoscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpejato%2Fkaleidoscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad1f61b8e2c661692e41ea8a1ff6a0d018b68fa4
[INFO] checking pejato/kaleidoscope 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%2Fpejato%2Fkaleidoscope" "/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/pejato/kaleidoscope
[INFO] finished tweaking git repo https://github.com/pejato/kaleidoscope
[INFO] tweaked toml for git repo https://github.com/pejato/kaleidoscope written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pejato/kaleidoscope 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/pejato/kaleidoscope 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] 71889d4f115e041d90b01168a0e5f30290d0cfacfd2b1f760a8e336c90d2e4dd
[INFO] running `Command { std: "docker" "start" "-a" "71889d4f115e041d90b01168a0e5f30290d0cfacfd2b1f760a8e336c90d2e4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71889d4f115e041d90b01168a0e5f30290d0cfacfd2b1f760a8e336c90d2e4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71889d4f115e041d90b01168a0e5f30290d0cfacfd2b1f760a8e336c90d2e4dd", kill_on_drop: false }`
[INFO] [stdout] 71889d4f115e041d90b01168a0e5f30290d0cfacfd2b1f760a8e336c90d2e4dd
[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] 997c46bf11768be777cf5df627212b6259670b2552eb50dc0cf0717d35fecc00
[INFO] running `Command { std: "docker" "start" "-a" "997c46bf11768be777cf5df627212b6259670b2552eb50dc0cf0717d35fecc00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=c0e13b7#c0e13b70)
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling llvm-sys v130.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?rev=c0e13b7#c0e13b70)
[INFO] [stderr]     Checking clap v3.1.5
[INFO] [stderr]     Checking kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/codegen/tests.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn make_generator(context: &Context) -> CodeGen {
[INFO] [stdout]    |                            ^^^^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided 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] 10 | fn make_generator(context: &Context) -> CodeGen<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/parser/tests.rs:290:17
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 String::from_str("three").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] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/parser/tests.rs:291:17
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 String::from_str("four").unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/parser/tests.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 String::from_str("five").unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/parser/tests.rs:325:24
[INFO] [stdout]     |
[INFO] [stdout] 325 |             args: vec![String::from_str("seven").unwrap()],
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kaleidoscope` (bin "kaleidoscope" test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "997c46bf11768be777cf5df627212b6259670b2552eb50dc0cf0717d35fecc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997c46bf11768be777cf5df627212b6259670b2552eb50dc0cf0717d35fecc00", kill_on_drop: false }`
[INFO] [stdout] 997c46bf11768be777cf5df627212b6259670b2552eb50dc0cf0717d35fecc00