[INFO] cloning repository https://github.com/penryu/monabot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/penryu/monabot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpenryu%2Fmonabot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpenryu%2Fmonabot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 316c4a6562415c3a93e7032ed91e9c7f6273cfa5
[INFO] checking penryu/monabot against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpenryu%2Fmonabot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/penryu/monabot 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/penryu/monabot
[INFO] finished tweaking git repo https://github.com/penryu/monabot
[INFO] tweaked toml for git repo https://github.com/penryu/monabot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/penryu/monabot 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded rlua v0.19.8
[INFO] [stderr]   Downloaded pkg-config v0.3.29
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded bstr v1.9.0
[INFO] [stderr]   Downloaded rlua-lua51-sys v0.1.6
[INFO] [stderr]   Downloaded rlua-lua53-sys v0.1.6
[INFO] [stderr]   Downloaded rlua-lua54-sys v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e44bcef84af5ec4f2890c23ac73ebac568dcc92bcae999d46cccc75a21e4ac62
[INFO] running `Command { std: "docker" "start" "-a" "e44bcef84af5ec4f2890c23ac73ebac568dcc92bcae999d46cccc75a21e4ac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44bcef84af5ec4f2890c23ac73ebac568dcc92bcae999d46cccc75a21e4ac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44bcef84af5ec4f2890c23ac73ebac568dcc92bcae999d46cccc75a21e4ac62", kill_on_drop: false }`
[INFO] [stdout] e44bcef84af5ec4f2890c23ac73ebac568dcc92bcae999d46cccc75a21e4ac62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 73a57b6825c5901ceb21cc01fcc36107b915d321d7a53773769d37c85b8d359b
[INFO] running `Command { std: "docker" "start" "-a" "73a57b6825c5901ceb21cc01fcc36107b915d321d7a53773769d37c85b8d359b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling rlua v0.19.8
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rlua-lua53-sys v0.1.6
[INFO] [stderr]    Compiling rlua-lua51-sys v0.1.6
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.6
[INFO] [stderr]     Checking lua-stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "73a57b6825c5901ceb21cc01fcc36107b915d321d7a53773769d37c85b8d359b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a57b6825c5901ceb21cc01fcc36107b915d321d7a53773769d37c85b8d359b", kill_on_drop: false }`
[INFO] [stdout] 73a57b6825c5901ceb21cc01fcc36107b915d321d7a53773769d37c85b8d359b
[INFO] checking penryu/monabot against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpenryu%2Fmonabot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/penryu/monabot on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/penryu/monabot
[INFO] finished tweaking git repo https://github.com/penryu/monabot
[INFO] tweaked toml for git repo https://github.com/penryu/monabot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/penryu/monabot 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b45172454e642892b2a40dffb14c968566965b2ea34fde432e3658e9ee0b1468
[INFO] running `Command { std: "docker" "start" "-a" "b45172454e642892b2a40dffb14c968566965b2ea34fde432e3658e9ee0b1468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b45172454e642892b2a40dffb14c968566965b2ea34fde432e3658e9ee0b1468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45172454e642892b2a40dffb14c968566965b2ea34fde432e3658e9ee0b1468", kill_on_drop: false }`
[INFO] [stdout] b45172454e642892b2a40dffb14c968566965b2ea34fde432e3658e9ee0b1468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c88aab2762ba7bac7b729f8833620165e9b3c8e94cac1a08dad5ab41d067af2
[INFO] running `Command { std: "docker" "start" "-a" "8c88aab2762ba7bac7b729f8833620165e9b3c8e94cac1a08dad5ab41d067af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling rlua v0.19.8
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.6
[INFO] [stderr]    Compiling rlua-lua51-sys v0.1.6
[INFO] [stderr]    Compiling rlua-lua53-sys v0.1.6
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.8/src/context.rs:950:14
[INFO] [stdout]     |
[INFO] [stdout] 950 |         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/rlua-0.19.8/src/context.rs:980:41
[INFO] [stdout]     |
[INFO] [stdout] 980 |     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] 950 |         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 `rlua` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8c88aab2762ba7bac7b729f8833620165e9b3c8e94cac1a08dad5ab41d067af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c88aab2762ba7bac7b729f8833620165e9b3c8e94cac1a08dad5ab41d067af2", kill_on_drop: false }`
[INFO] [stdout] 8c88aab2762ba7bac7b729f8833620165e9b3c8e94cac1a08dad5ab41d067af2