[INFO] cloning repository https://github.com/FreeMasen/min-short-mlua-traceback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeMasen/min-short-mlua-traceback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fmin-short-mlua-traceback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fmin-short-mlua-traceback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b617c13330baecac6e542647e7cb49705198cf6
[INFO] checking FreeMasen/min-short-mlua-traceback against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fmin-short-mlua-traceback" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeMasen/min-short-mlua-traceback on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeMasen/min-short-mlua-traceback
[INFO] finished tweaking git repo https://github.com/FreeMasen/min-short-mlua-traceback
[INFO] tweaked toml for git repo https://github.com/FreeMasen/min-short-mlua-traceback written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeMasen/min-short-mlua-traceback 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mlua v0.6.6
[INFO] [stderr]   Downloaded erased-serde v0.3.16
[INFO] [stderr]   Downloaded lua-src v543.1.0
[INFO] [stderr]   Downloaded luajit-src v210.3.2+resty1085a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 761f67ff8b36d24142d9cca012233e63db59a3c00d7391d94bf6796a3591d4e5
[INFO] running `Command { std: "docker" "start" "-a" "761f67ff8b36d24142d9cca012233e63db59a3c00d7391d94bf6796a3591d4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761f67ff8b36d24142d9cca012233e63db59a3c00d7391d94bf6796a3591d4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761f67ff8b36d24142d9cca012233e63db59a3c00d7391d94bf6796a3591d4e5", kill_on_drop: false }`
[INFO] [stdout] 761f67ff8b36d24142d9cca012233e63db59a3c00d7391d94bf6796a3591d4e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e81cf6d4899f544224e56b6d5ac0a393e60357b0b78e45eb57d9d8531f31bf5b
[INFO] running `Command { std: "docker" "start" "-a" "e81cf6d4899f544224e56b6d5ac0a393e60357b0b78e45eb57d9d8531f31bf5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling lua-src v543.1.0
[INFO] [stderr]    Compiling luajit-src v210.3.2+resty1085a4d
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mlua v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]     Checking min-short-mlua-traceback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.92s
[INFO] running `Command { std: "docker" "inspect" "e81cf6d4899f544224e56b6d5ac0a393e60357b0b78e45eb57d9d8531f31bf5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81cf6d4899f544224e56b6d5ac0a393e60357b0b78e45eb57d9d8531f31bf5b", kill_on_drop: false }`
[INFO] [stdout] e81cf6d4899f544224e56b6d5ac0a393e60357b0b78e45eb57d9d8531f31bf5b
[INFO] checking FreeMasen/min-short-mlua-traceback against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fmin-short-mlua-traceback" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeMasen/min-short-mlua-traceback on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeMasen/min-short-mlua-traceback
[INFO] finished tweaking git repo https://github.com/FreeMasen/min-short-mlua-traceback
[INFO] tweaked toml for git repo https://github.com/FreeMasen/min-short-mlua-traceback written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeMasen/min-short-mlua-traceback 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0ea2122e95afbac091e724a8b5e25ab9547a87eac3623b31f6b15699d529fa9
[INFO] running `Command { std: "docker" "start" "-a" "a0ea2122e95afbac091e724a8b5e25ab9547a87eac3623b31f6b15699d529fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ea2122e95afbac091e724a8b5e25ab9547a87eac3623b31f6b15699d529fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ea2122e95afbac091e724a8b5e25ab9547a87eac3623b31f6b15699d529fa9", kill_on_drop: false }`
[INFO] [stdout] a0ea2122e95afbac091e724a8b5e25ab9547a87eac3623b31f6b15699d529fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 463b596a304cb2daf8e050a2cd1ea1d1138ef49270a368bd500b3e4d295b9733
[INFO] running `Command { std: "docker" "start" "-a" "463b596a304cb2daf8e050a2cd1ea1d1138ef49270a368bd500b3e4d295b9733", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling luajit-src v210.3.2+resty1085a4d
[INFO] [stderr]    Compiling lua-src v543.1.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mlua v0.6.6
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.6.6/src/lua.rs:2298:14
[INFO] [stdout]      |
[INFO] [stdout] 2298 |         self.call(())?;
[INFO] [stdout]      |              ^^^^ cannot infer type of the type parameter `R` declared on the method `call`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `_: FromLuaMulti<'_>`
[INFO] [stdout]      = help: the following types implement trait `FromLuaMulti<'lua>`:
[INFO] [stdout]                ()
[INFO] [stdout]                (A,)
[INFO] [stdout]                (B, A)
[INFO] [stdout]                (B, C, A)
[INFO] [stdout]                (B, C, D, A)
[INFO] [stdout]                (B, C, D, E, A)
[INFO] [stdout]                (B, C, D, E, F, A)
[INFO] [stdout]                (B, C, D, E, F, G, A)
[INFO] [stdout]              and 11 others
[INFO] [stdout] note: required by a bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.6.6/src/lua.rs:2376:41
[INFO] [stdout]      |
[INFO] [stdout] 2376 |     pub fn call<A: ToLuaMulti<'lua>, R: FromLuaMulti<'lua>>(self, args: A) -> Result<R> {
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^^^^^^ required by this bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]      |
[INFO] [stdout] 2298 |         self.call::<(), R>(())?;
[INFO] [stdout]      |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlua` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "463b596a304cb2daf8e050a2cd1ea1d1138ef49270a368bd500b3e4d295b9733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463b596a304cb2daf8e050a2cd1ea1d1138ef49270a368bd500b3e4d295b9733", kill_on_drop: false }`
[INFO] [stdout] 463b596a304cb2daf8e050a2cd1ea1d1138ef49270a368bd500b3e4d295b9733