[INFO] cloning repository https://github.com/FussballAndy/unreal-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FussballAndy/unreal-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFussballAndy%2Funreal-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFussballAndy%2Funreal-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 711f41f3e0f035d1179ffe0f607e321a22e95c61
[INFO] checking FussballAndy/unreal-lang against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFussballAndy%2Funreal-lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FussballAndy/unreal-lang on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FussballAndy/unreal-lang
[INFO] finished tweaking git repo https://github.com/FussballAndy/unreal-lang
[INFO] tweaked toml for git repo https://github.com/FussballAndy/unreal-lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FussballAndy/unreal-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-lexicon v0.12.2
[INFO] [stderr]   Downloaded cranelift v0.79.0
[INFO] [stderr]   Downloaded ariadne v0.1.3
[INFO] [stderr]   Downloaded cranelift-module v0.79.0
[INFO] [stderr]   Downloaded cranelift-object v0.79.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.79.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.79.0
[INFO] [stderr]   Downloaded cranelift-entity v0.79.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.79.0
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.79.0
[INFO] [stderr]   Downloaded cranelift-native v0.79.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.79.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3ed92fe9f77b194d0d8e1f8fd606fd0cea3fd14ffcd1d5aae1e5c1dfa538cd
[INFO] running `Command { std: "docker" "start" "-a" "4d3ed92fe9f77b194d0d8e1f8fd606fd0cea3fd14ffcd1d5aae1e5c1dfa538cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3ed92fe9f77b194d0d8e1f8fd606fd0cea3fd14ffcd1d5aae1e5c1dfa538cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3ed92fe9f77b194d0d8e1f8fd606fd0cea3fd14ffcd1d5aae1e5c1dfa538cd", kill_on_drop: false }`
[INFO] [stdout] 4d3ed92fe9f77b194d0d8e1f8fd606fd0cea3fd14ffcd1d5aae1e5c1dfa538cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae34e4696f43063e0034d47287193b8370d10ad1d115d7dee0342c91e55155b1
[INFO] running `Command { std: "docker" "start" "-a" "ae34e4696f43063e0034d47287193b8370d10ad1d115d7dee0342c91e55155b1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.79.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]     Checking ariadne v0.1.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.79.0
[INFO] [stderr]     Checking cranelift-entity v0.79.0
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking cranelift-bforest v0.79.0
[INFO] [stderr]     Checking regalloc v0.0.33
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking chumsky v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling digest v0.9.0
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[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking ar v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unicode-width v0.1.9
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[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling cranelift-codegen v0.79.0
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[INFO] [stderr]    Compiling logos-derive v0.12.0
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[INFO] [stderr]     Checking ulc_ast v0.1.0 (/opt/rustwide/workdir/crates/ulc_ast)
[INFO] [stderr]     Checking ulc_parser v0.1.0 (/opt/rustwide/workdir/crates/ulc_parser)
[INFO] [stderr]     Checking ulc_middle_ast v0.1.0 (/opt/rustwide/workdir/crates/ulc_middle_ast)
[INFO] [stderr]     Checking cranelift-frontend v0.79.0
[INFO] [stderr]     Checking cranelift-module v0.79.0
[INFO] [stderr]     Checking cranelift-native v0.79.0
[INFO] [stderr]     Checking cranelift-object v0.79.0
[INFO] [stderr]     Checking cranelift v0.79.0
[INFO] [stderr]     Checking ulc_codegen_cranelift v0.1.0 (/opt/rustwide/workdir/crates/ulc_codegen_cranelift)
[INFO] [stdout] warning: the item `codegen` is imported redundantly
[INFO] [stdout]  --> crates/ulc_codegen_cranelift/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift::codegen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 | use cranelift::codegen::ir::Function;
[INFO] [stdout] 7 | use cranelift::prelude::*;
[INFO] [stdout]   |     --------------------- the item `codegen` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `types` is imported redundantly
[INFO] [stdout]  --> crates/ulc_codegen_cranelift/src/translator.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift::codegen::ir::{types, StackSlot};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 6 | use cranelift::codegen::verify_function;
[INFO] [stdout] 7 | use cranelift::prelude::*;
[INFO] [stdout]   |     --------------------- the item `types` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `codegen` is imported redundantly
[INFO] [stdout]  --> crates/ulc_codegen_cranelift/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift::codegen;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 | use cranelift::codegen::ir::Function;
[INFO] [stdout] 7 | use cranelift::prelude::*;
[INFO] [stdout]   |     --------------------- the item `codegen` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `types` is imported redundantly
[INFO] [stdout]  --> crates/ulc_codegen_cranelift/src/translator.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift::codegen::ir::{types, StackSlot};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 6 | use cranelift::codegen::verify_function;
[INFO] [stdout] 7 | use cranelift::prelude::*;
[INFO] [stdout]   |     --------------------- the item `types` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ulc_builder v0.1.0 (/opt/rustwide/workdir/crates/ulc_builder)
[INFO] [stderr]     Checking ulc v0.1.0 (/opt/rustwide/workdir/crates/ulc)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "ae34e4696f43063e0034d47287193b8370d10ad1d115d7dee0342c91e55155b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae34e4696f43063e0034d47287193b8370d10ad1d115d7dee0342c91e55155b1", kill_on_drop: false }`
[INFO] [stdout] ae34e4696f43063e0034d47287193b8370d10ad1d115d7dee0342c91e55155b1