[INFO] fetching crate proc_macro_tools 0.1.17...
[INFO] checking proc_macro_tools-0.1.17 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate proc_macro_tools 0.1.17 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate proc_macro_tools 0.1.17 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 proc_macro_tools 0.1.17
[INFO] removed 1 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proc_macro_tools 0.1.17
[INFO] tweaked toml for crates.io crate proc_macro_tools 0.1.17 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate proc_macro_tools 0.1.17 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 is_slice v0.1.1
[INFO] [stderr]   Downloaded inspect_type v0.1.2
[INFO] [stderr]   Downloaded wtest_basic v0.1.14
[INFO] [stderr]   Downloaded impls_index_meta v0.1.1
[INFO] [stderr]   Downloaded parse-display v0.5.5
[INFO] [stderr]   Downloaded for_each v0.1.3
[INFO] [stderr]   Downloaded structmeta v0.1.5
[INFO] [stderr]   Downloaded parse-display-derive v0.5.5
[INFO] [stderr]   Downloaded proc_macro_tools v0.1.16
[INFO] [stderr]   Downloaded rustversion v1.0.8
[INFO] [stderr]   Downloaded diagnostics_tools v0.1.3
[INFO] [stderr]   Downloaded impls_index v0.1.3
[INFO] [stderr]   Downloaded clone_dyn_meta v0.1.1
[INFO] [stderr]   Downloaded clone_dyn v0.1.0
[INFO] [stderr]   Downloaded mod_interface_meta v0.1.9
[INFO] [stderr]   Downloaded structmeta-derive v0.1.5
[INFO] [stderr]   Downloaded derive_tools v0.1.5
[INFO] [stderr]   Downloaded mod_interface_runtime v0.1.1
[INFO] [stderr]   Downloaded mod_interface v0.1.13
[INFO] [stderr]   Downloaded meta_tools_min v0.2.12
[INFO] [stderr]   Downloaded iter_tools v0.1.4
[INFO] [stderr]   Downloaded former_meta v0.1.12
[INFO] [stderr]   Downloaded meta_tools v0.2.17
[INFO] [stderr]   Downloaded dissimilar v1.0.4
[INFO] [stderr]   Downloaded typing_tools v0.1.5
[INFO] [stderr]   Downloaded test_tools v0.1.5
[INFO] [stderr]   Downloaded woptions_meta v0.1.3
[INFO] [stderr]   Downloaded former_runtime v0.1.11
[INFO] [stderr]   Downloaded former v0.1.12
[INFO] [stderr]   Downloaded woptions_runtime v0.1.3
[INFO] [stderr]   Downloaded woptions v0.1.3
[INFO] [stderr]   Downloaded trybuild v1.0.63
[INFO] [stderr]   Downloaded implements v0.1.1
[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] eb46df5d898594aa3f30ffdea8dde61b0693f258a2c5c85297717753e49d7072
[INFO] running `Command { std: "docker" "start" "-a" "eb46df5d898594aa3f30ffdea8dde61b0693f258a2c5c85297717753e49d7072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb46df5d898594aa3f30ffdea8dde61b0693f258a2c5c85297717753e49d7072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb46df5d898594aa3f30ffdea8dde61b0693f258a2c5c85297717753e49d7072", kill_on_drop: false }`
[INFO] [stdout] eb46df5d898594aa3f30ffdea8dde61b0693f258a2c5c85297717753e49d7072
[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] 68b35fffc0cc998e85027c3649c3fdc03f51efc3443b94027eeb505cb515be5b
[INFO] running `Command { std: "docker" "start" "-a" "68b35fffc0cc998e85027c3649c3fdc03f51efc3443b94027eeb505cb515be5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling type_constructor v0.1.19
[INFO] [stderr]    Compiling winterval v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling mod_interface_runtime v0.1.1
[INFO] [stderr]    Compiling literally v0.1.3
[INFO] [stderr]    Compiling for_each v0.1.3
[INFO] [stderr]     Checking former_runtime v0.1.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling trybuild v1.0.63
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]     Checking dissimilar v1.0.4
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking implements v0.1.1
[INFO] [stderr]     Checking is_slice v0.1.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking inspect_type v0.1.2
[INFO] [stderr]     Checking diagnostics_tools v0.1.3
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking typing_tools v0.1.5
[INFO] [stderr]     Checking mem_tools v0.1.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling iter_tools v0.1.4
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking proc_macro_tools v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `type_rightmost` is imported redundantly
[INFO] [stdout]  --> rust/impl/proc_macro/container_kind.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |   use crate::exposed::*;
[INFO] [stdout]   |       ----------------- the item `type_rightmost` is already imported here
[INFO] [stdout] 9 |   use crate::type_rightmost;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::prelude::*`
[INFO] [stdout]    --> rust/impl/proc_macro/container_kind.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |   pub use super::prelude::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::prelude::*`
[INFO] [stdout]    --> rust/impl/proc_macro/syntax.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 |   pub use super::prelude::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::winterval::prelude::*`
[INFO] [stdout]   --> rust/impl/proc_macro/proc_macro_tools_lib.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub use ::winterval::prelude::*;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `container_kind::prelude::*`, `syntax::prelude::*`
[INFO] [stdout]    --> rust/impl/proc_macro/proc_macro_tools_lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     container_kind::prelude::*,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     syntax::prelude::*,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc_macro_tools v0.1.16
[INFO] [stderr]    Compiling structmeta-derive v0.1.5
[INFO] [stderr]    Compiling clone_dyn_meta v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling impls_index_meta v0.1.1
[INFO] [stderr]    Compiling former_meta v0.1.12
[INFO] [stderr]    Compiling impls_index v0.1.3
[INFO] [stderr]    Compiling clone_dyn v0.1.0
[INFO] [stderr]     Checking former v0.1.12
[INFO] [stderr]     Checking woptions_runtime v0.1.3
[INFO] [stderr]    Compiling structmeta v0.1.5
[INFO] [stderr]    Compiling parse-display-derive v0.5.5
[INFO] [stderr]    Compiling parse-display v0.5.5
[INFO] [stderr]    Compiling derive_tools v0.1.5
[INFO] [stderr]    Compiling mod_interface_meta v0.1.9
[INFO] [stderr]    Compiling mod_interface v0.1.13
[INFO] [stderr]    Compiling meta_tools_min v0.2.12
[INFO] [stderr]    Compiling woptions_meta v0.1.3
[INFO] [stderr]     Checking woptions v0.1.3
[INFO] [stderr]     Checking meta_tools v0.2.17
[INFO] [stderr]     Checking wtest_basic v0.1.14
[INFO] [stderr]     Checking test_tools v0.1.5
[INFO] [stdout] warning: the item `type_rightmost` is imported redundantly
[INFO] [stdout]  --> rust/impl/proc_macro/container_kind.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |   use crate::exposed::*;
[INFO] [stdout]   |       ----------------- the item `type_rightmost` is already imported here
[INFO] [stdout] 9 |   use crate::type_rightmost;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::prelude::*`
[INFO] [stdout]    --> rust/impl/proc_macro/container_kind.rs:110:11
[INFO] [stdout]     |
[INFO] [stdout] 110 |   pub use super::prelude::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::prelude::*`
[INFO] [stdout]    --> rust/impl/proc_macro/syntax.rs:149:11
[INFO] [stdout]     |
[INFO] [stdout] 149 |   pub use super::prelude::*;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::winterval::prelude::*`
[INFO] [stdout]   --> rust/impl/proc_macro/proc_macro_tools_lib.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub use ::winterval::prelude::*;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `container_kind::prelude::*`, `syntax::prelude::*`
[INFO] [stdout]    --> rust/impl/proc_macro/proc_macro_tools_lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     container_kind::prelude::*,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     syntax::prelude::*,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "68b35fffc0cc998e85027c3649c3fdc03f51efc3443b94027eeb505cb515be5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b35fffc0cc998e85027c3649c3fdc03f51efc3443b94027eeb505cb515be5b", kill_on_drop: false }`
[INFO] [stdout] 68b35fffc0cc998e85027c3649c3fdc03f51efc3443b94027eeb505cb515be5b
[INFO] checking proc_macro_tools-0.1.17 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate proc_macro_tools 0.1.17 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate proc_macro_tools 0.1.17 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 crates.io crate proc_macro_tools 0.1.17
[INFO] removed 1 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proc_macro_tools 0.1.17
[INFO] tweaked toml for crates.io crate proc_macro_tools 0.1.17 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate proc_macro_tools 0.1.17 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] 6ac41ef1ffac7568ce1bd9728694b20c5ebad7c0f847cd668bf5612e23275fe1
[INFO] running `Command { std: "docker" "start" "-a" "6ac41ef1ffac7568ce1bd9728694b20c5ebad7c0f847cd668bf5612e23275fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac41ef1ffac7568ce1bd9728694b20c5ebad7c0f847cd668bf5612e23275fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac41ef1ffac7568ce1bd9728694b20c5ebad7c0f847cd668bf5612e23275fe1", kill_on_drop: false }`
[INFO] [stdout] 6ac41ef1ffac7568ce1bd9728694b20c5ebad7c0f847cd668bf5612e23275fe1
[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] 7eb5dd518f08838d83695a3f59a12d24fba7071be6eb3dd089fd9036ae0004b7
[INFO] running `Command { std: "docker" "start" "-a" "7eb5dd518f08838d83695a3f59a12d24fba7071be6eb3dd089fd9036ae0004b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling type_constructor v0.1.19
[INFO] [stderr]    Compiling winterval v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling mod_interface_runtime v0.1.1
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking former_runtime v0.1.11
[INFO] [stderr]    Compiling literally v0.1.3
[INFO] [stderr]    Compiling for_each v0.1.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling trybuild v1.0.63
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking is_slice v0.1.1
[INFO] [stderr]     Checking pretty_assertions v1.2.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking dissimilar v1.0.4
[INFO] [stderr]     Checking implements v0.1.1
[INFO] [stderr]     Checking inspect_type v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking typing_tools v0.1.5
[INFO] [stderr]     Checking diagnostics_tools v0.1.3
[INFO] [stderr]     Checking mem_tools v0.1.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking data_type v0.1.9
[INFO] [stderr]    Compiling iter_tools v0.1.4
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7eb5dd518f08838d83695a3f59a12d24fba7071be6eb3dd089fd9036ae0004b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb5dd518f08838d83695a3f59a12d24fba7071be6eb3dd089fd9036ae0004b7", kill_on_drop: false }`
[INFO] [stdout] 7eb5dd518f08838d83695a3f59a12d24fba7071be6eb3dd089fd9036ae0004b7