[INFO] fetching crate mogglo 0.1.1...
[INFO] checking mogglo-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mogglo 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mogglo 0.1.1 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 crates.io crate mogglo 0.1.1
[INFO] finished tweaking crates.io crate mogglo 0.1.1
[INFO] tweaked toml for crates.io crate mogglo 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages
[INFO] [stderr]       Adding ariadne v0.2.0 (latest: v0.4.0)
[INFO] [stderr]       Adding rlua v0.19.8 (latest: v0.20.0)
[INFO] [stderr]       Adding tree-sitter v0.20.10 (latest: v0.22.2)
[INFO] [stderr]       Adding tree-sitter-edit v0.1.2 (latest: v0.3.0)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tree-sitter-edit v0.1.2
[INFO] [stderr]   Downloaded rlua-lua53-sys v0.1.6
[INFO] [stderr]   Downloaded tree-sitter-rust v0.20.4
[INFO] [stderr]   Downloaded rlua v0.19.8
[INFO] [stderr]   Downloaded ariadne v0.2.0
[INFO] [stderr]   Downloaded rlua-lua51-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-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] fc8cfb77b08fb4d6f41d362e7ee4b098f8b2f9a370dea68f83ab4fddf3d5349a
[INFO] running `Command { std: "docker" "start" "-a" "fc8cfb77b08fb4d6f41d362e7ee4b098f8b2f9a370dea68f83ab4fddf3d5349a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc8cfb77b08fb4d6f41d362e7ee4b098f8b2f9a370dea68f83ab4fddf3d5349a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8cfb77b08fb4d6f41d362e7ee4b098f8b2f9a370dea68f83ab4fddf3d5349a", kill_on_drop: false }`
[INFO] [stdout] fc8cfb77b08fb4d6f41d362e7ee4b098f8b2f9a370dea68f83ab4fddf3d5349a
[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] e2e655ca909eadac641108f730303101f19bb7cd8968499d6cff9376b019273c
[INFO] running `Command { std: "docker" "start" "-a" "e2e655ca909eadac641108f730303101f19bb7cd8968499d6cff9376b019273c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.6
[INFO] [stderr]    Compiling rlua-lua53-sys v0.1.6
[INFO] [stderr]    Compiling rlua-lua51-sys v0.1.6
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling rlua v0.19.8
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.4
[INFO] [stderr]     Checking tree-sitter-edit v0.1.2
[INFO] [stderr]     Checking mogglo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]   --> src/pattern.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     const ANONYMOUS: &str = "_";
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout]    = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 35 |     const ANONYMOUS: &'static str = "_";
[INFO] [stdout]    |                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]   --> src/pattern.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const ELLIPSIS: &str = "..";
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const ELLIPSIS: &'static str = "..";
[INFO] [stdout]    |                      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]   --> src/pattern.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     const ANONYMOUS: &str = "_";
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout]    = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 35 |     const ANONYMOUS: &'static str = "_";
[INFO] [stdout]    |                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]   --> src/pattern.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const ELLIPSIS: &str = "..";
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const ELLIPSIS: &'static str = "..";
[INFO] [stdout]    |                      +++++++
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "e2e655ca909eadac641108f730303101f19bb7cd8968499d6cff9376b019273c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e655ca909eadac641108f730303101f19bb7cd8968499d6cff9376b019273c", kill_on_drop: false }`
[INFO] [stdout] e2e655ca909eadac641108f730303101f19bb7cd8968499d6cff9376b019273c