[INFO] cloning repository https://github.com/TChatzigiannakis/rustc_llvm_type_error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TChatzigiannakis/rustc_llvm_type_error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTChatzigiannakis%2Frustc_llvm_type_error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTChatzigiannakis%2Frustc_llvm_type_error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1340c661d98e25817738e7db26bbb037e7c01d22
[INFO] testing TChatzigiannakis/rustc_llvm_type_error against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTChatzigiannakis%2Frustc_llvm_type_error" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TChatzigiannakis/rustc_llvm_type_error on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TChatzigiannakis/rustc_llvm_type_error
[INFO] finished tweaking git repo https://github.com/TChatzigiannakis/rustc_llvm_type_error
[INFO] tweaked toml for git repo https://github.com/TChatzigiannakis/rustc_llvm_type_error written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/TChatzigiannakis/rustc_llvm_type_error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77737c9108ab75af3ad330804d97886b5662c6c89a51adc932eb802f43571c9c
[INFO] running `Command { std: "docker" "start" "-a" "77737c9108ab75af3ad330804d97886b5662c6c89a51adc932eb802f43571c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77737c9108ab75af3ad330804d97886b5662c6c89a51adc932eb802f43571c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77737c9108ab75af3ad330804d97886b5662c6c89a51adc932eb802f43571c9c", kill_on_drop: false }`
[INFO] [stdout] 77737c9108ab75af3ad330804d97886b5662c6c89a51adc932eb802f43571c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed89f3aca8aa9d09a710b8bd4cf8c3865b9ca04ce85984879bb2fc13a3348d76
[INFO] running `Command { std: "docker" "start" "-a" "ed89f3aca8aa9d09a710b8bd4cf8c3865b9ca04ce85984879bb2fc13a3348d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_llvm_type_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     field: Vec<Box<Fn(&u8)>>,
[INFO] [stdout]   |                    ^^^^^^^ help: use `dyn`: `dyn Fn(&u8)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:15:71
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn no_type_error(&self, _selector: fn(&Callbacks) -> &Vec<Box<Fn(&u8)>>) {}
[INFO] [stdout]    |                                                                       ^^^^^^^ help: use `dyn`: `dyn Fn(&u8)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:16:71
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn type_error<T>(&self, _selector: fn(&Callbacks) -> &Vec<Box<Fn(T)>>) {}
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Fn(T)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Function return type does not match operand type of return inst!
[INFO] [stderr]   ret %"std::vec::Vec<std::boxed::Box<dyn for<'r> std::ops::Fn(&'r u8)>>"* %5, !dbg !114
[INFO] [stderr]  %"std::vec::Vec<std::boxed::Box<dyn std::ops::Fn(&u8)>>"*in function _ZN21rustc_llvm_type_error4main28_$u7b$$u7b$closure$u7d$$u7d$17h9c9c708c9af663eeE
[INFO] [stderr] LLVM ERROR: Broken function found, compilation aborted!
[INFO] [stderr] error: could not compile `rustc_llvm_type_error`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ed89f3aca8aa9d09a710b8bd4cf8c3865b9ca04ce85984879bb2fc13a3348d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed89f3aca8aa9d09a710b8bd4cf8c3865b9ca04ce85984879bb2fc13a3348d76", kill_on_drop: false }`
[INFO] [stdout] ed89f3aca8aa9d09a710b8bd4cf8c3865b9ca04ce85984879bb2fc13a3348d76
