[INFO] cloning repository https://github.com/NathanSnail/nxml_tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanSnail/nxml_tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanSnail%2Fnxml_tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanSnail%2Fnxml_tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64240829566679b919de566a1616d94d3889c055
[INFO] checking NathanSnail/nxml_tools against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanSnail%2Fnxml_tools" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanSnail/nxml_tools 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/NathanSnail/nxml_tools
[INFO] finished tweaking git repo https://github.com/NathanSnail/nxml_tools
[INFO] tweaked toml for git repo https://github.com/NathanSnail/nxml_tools written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanSnail/nxml_tools 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mlua-sys v0.5.1
[INFO] [stderr]   Downloaded which v6.0.0
[INFO] [stderr]   Downloaded mlua v0.9.5
[INFO] [stderr]   Downloaded lua-src v546.0.2
[INFO] [stderr]   Downloaded luajit-src v210.5.6+9cc2e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9e72d6d3ae74cd522102ddc1d723406add4d855ce4f59968b1949495abc28460
[INFO] running `Command { std: "docker" "start" "-a" "9e72d6d3ae74cd522102ddc1d723406add4d855ce4f59968b1949495abc28460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e72d6d3ae74cd522102ddc1d723406add4d855ce4f59968b1949495abc28460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e72d6d3ae74cd522102ddc1d723406add4d855ce4f59968b1949495abc28460", kill_on_drop: false }`
[INFO] [stdout] 9e72d6d3ae74cd522102ddc1d723406add4d855ce4f59968b1949495abc28460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5999b0d31c823af662ba4f1030baf0eb05f52ca799c8d804a3a688cd0d0f97ef
[INFO] running `Command { std: "docker" "start" "-a" "5999b0d31c823af662ba4f1030baf0eb05f52ca799c8d804a3a688cd0d0f97ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling lua-src v546.0.2
[INFO] [stderr]    Compiling which v6.0.0
[INFO] [stderr]    Compiling luajit-src v210.5.6+9cc2e42
[INFO] [stderr]    Compiling mlua-sys v0.5.1
[INFO] [stderr]     Checking mlua v0.9.5
[INFO] [stderr]     Checking nxml_tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mlua` is imported redundantly
[INFO] [stdout]  --> src/bin/flatten.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mlua::{self, Error, Function, Table};
[INFO] [stdout]   |            ^^^^ the item `mlua` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mlua` is imported redundantly
[INFO] [stdout]  --> src/bin/flatten.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mlua::{self, Error, Function, Table};
[INFO] [stdout]   |            ^^^^ the item `mlua` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "5999b0d31c823af662ba4f1030baf0eb05f52ca799c8d804a3a688cd0d0f97ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5999b0d31c823af662ba4f1030baf0eb05f52ca799c8d804a3a688cd0d0f97ef", kill_on_drop: false }`
[INFO] [stdout] 5999b0d31c823af662ba4f1030baf0eb05f52ca799c8d804a3a688cd0d0f97ef
[INFO] checking NathanSnail/nxml_tools against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanSnail%2Fnxml_tools" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanSnail/nxml_tools 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/NathanSnail/nxml_tools
[INFO] finished tweaking git repo https://github.com/NathanSnail/nxml_tools
[INFO] tweaked toml for git repo https://github.com/NathanSnail/nxml_tools written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanSnail/nxml_tools 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 68b846b60fa51516607c5f1446ef3f35ce4dffaee37f2d7750f2757b6586db67
[INFO] running `Command { std: "docker" "start" "-a" "68b846b60fa51516607c5f1446ef3f35ce4dffaee37f2d7750f2757b6586db67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b846b60fa51516607c5f1446ef3f35ce4dffaee37f2d7750f2757b6586db67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b846b60fa51516607c5f1446ef3f35ce4dffaee37f2d7750f2757b6586db67", kill_on_drop: false }`
[INFO] [stdout] 68b846b60fa51516607c5f1446ef3f35ce4dffaee37f2d7750f2757b6586db67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f11b625d7d38b6f058a51b43aef12454a248f7bfcaf0e60e4dc25ef9ee9215bc
[INFO] running `Command { std: "docker" "start" "-a" "f11b625d7d38b6f058a51b43aef12454a248f7bfcaf0e60e4dc25ef9ee9215bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling lua-src v546.0.2
[INFO] [stderr]    Compiling which v6.0.0
[INFO] [stderr]    Compiling luajit-src v210.5.6+9cc2e42
[INFO] [stderr]    Compiling mlua-sys v0.5.1
[INFO] [stderr]     Checking mlua v0.9.5
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.9.5/src/chunk.rs:318:14
[INFO] [stdout]     |
[INFO] [stdout] 318 |         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-0.9.5/src/chunk.rs:379:43
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn call<A: IntoLuaMulti<'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] 318 |         self.call::<(), R>(())?;
[INFO] [stdout]     |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.9.5/src/userdata_impl.rs:80:31
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 try_self_arg!(Err(err));
[INFO] [stdout]    |                               ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 try_self_arg!(Err::<T, error::Error>(err));
[INFO] [stdout]    |                                  +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mlua-0.9.5/src/userdata_impl.rs:160:31
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 try_self_arg!(Err(err));
[INFO] [stdout]     |                               ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 try_self_arg!(Err::<T, error::Error>(err));
[INFO] [stdout]     |                                  +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0283.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlua` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f11b625d7d38b6f058a51b43aef12454a248f7bfcaf0e60e4dc25ef9ee9215bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11b625d7d38b6f058a51b43aef12454a248f7bfcaf0e60e4dc25ef9ee9215bc", kill_on_drop: false }`
[INFO] [stdout] f11b625d7d38b6f058a51b43aef12454a248f7bfcaf0e60e4dc25ef9ee9215bc