[INFO] fetching crate chalk-ir 0.95.0...
[INFO] checking chalk-ir-0.95.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate chalk-ir 0.95.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate chalk-ir 0.95.0 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 chalk-ir 0.95.0
[INFO] finished tweaking crates.io crate chalk-ir 0.95.0
[INFO] tweaked toml for crates.io crate chalk-ir 0.95.0 written to /workspace/builds/worker-5-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]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages
[INFO] [stderr]       Adding chalk-derive v0.95.0 (latest: v0.96.0)
[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 chalk-derive v0.95.0
[INFO] [stderr]   Downloaded synstructure v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0dc85839602a45703e7584717fcda6057b3916b5568bf71bf18269d207ffa17
[INFO] running `Command { std: "docker" "start" "-a" "d0dc85839602a45703e7584717fcda6057b3916b5568bf71bf18269d207ffa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0dc85839602a45703e7584717fcda6057b3916b5568bf71bf18269d207ffa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0dc85839602a45703e7584717fcda6057b3916b5568bf71bf18269d207ffa17", kill_on_drop: false }`
[INFO] [stdout] d0dc85839602a45703e7584717fcda6057b3916b5568bf71bf18269d207ffa17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bbda1e847c4779ace06b0256a6f13bf24640bafd80b63afd8d05d7fec387622f
[INFO] running `Command { std: "docker" "start" "-a" "bbda1e847c4779ace06b0256a6f13bf24640bafd80b63afd8d05d7fec387622f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling chalk-derive v0.95.0
[INFO] [stderr]     Checking chalk-ir v0.95.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TypeFoldable` is imported redundantly
[INFO] [stdout]  --> src/zip.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fold::TypeFoldable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `TypeFoldable` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/fold/boring_impls.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Shift` is imported redundantly
[INFO] [stdout]  --> src/fold/subst.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Shift` is already imported here
[INFO] [stdout] 2 | use crate::fold::shift::Shift;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/cast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/could_match.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interner::HasInterner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::zip::{Zip, Zipper};
[INFO] [stdout] 5 | use crate::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeFoldable` is imported redundantly
[INFO] [stdout]  --> src/zip.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fold::TypeFoldable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `TypeFoldable` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/fold/boring_impls.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Shift` is imported redundantly
[INFO] [stdout]  --> src/fold/subst.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Shift` is already imported here
[INFO] [stdout] 2 | use crate::fold::shift::Shift;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/cast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/could_match.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interner::HasInterner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::zip::{Zip, Zipper};
[INFO] [stdout] 5 | use crate::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "bbda1e847c4779ace06b0256a6f13bf24640bafd80b63afd8d05d7fec387622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbda1e847c4779ace06b0256a6f13bf24640bafd80b63afd8d05d7fec387622f", kill_on_drop: false }`
[INFO] [stdout] bbda1e847c4779ace06b0256a6f13bf24640bafd80b63afd8d05d7fec387622f
[INFO] checking chalk-ir-0.95.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate chalk-ir 0.95.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate chalk-ir 0.95.0 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 chalk-ir 0.95.0
[INFO] finished tweaking crates.io crate chalk-ir 0.95.0
[INFO] tweaked toml for crates.io crate chalk-ir 0.95.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9571cd0bcb04c3d689d67bacf52ce2792c6d3a54b0568754d76479eb92295e83
[INFO] running `Command { std: "docker" "start" "-a" "9571cd0bcb04c3d689d67bacf52ce2792c6d3a54b0568754d76479eb92295e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9571cd0bcb04c3d689d67bacf52ce2792c6d3a54b0568754d76479eb92295e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9571cd0bcb04c3d689d67bacf52ce2792c6d3a54b0568754d76479eb92295e83", kill_on_drop: false }`
[INFO] [stdout] 9571cd0bcb04c3d689d67bacf52ce2792c6d3a54b0568754d76479eb92295e83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3956f2cc5ea0398551a1af7c34fde9101185778857f5a5d1aecd4eb9edd4eae0
[INFO] running `Command { std: "docker" "start" "-a" "3956f2cc5ea0398551a1af7c34fde9101185778857f5a5d1aecd4eb9edd4eae0", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling chalk-derive v0.95.0
[INFO] [stderr]     Checking chalk-ir v0.95.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TypeFoldable` is imported redundantly
[INFO] [stdout]  --> src/zip.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fold::TypeFoldable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `TypeFoldable` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/fold/boring_impls.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Shift` is imported redundantly
[INFO] [stdout]  --> src/fold/subst.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Shift` is already imported here
[INFO] [stdout] 2 | use crate::fold::shift::Shift;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/cast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/could_match.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interner::HasInterner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::zip::{Zip, Zipper};
[INFO] [stdout] 5 | use crate::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeFoldable` is imported redundantly
[INFO] [stdout]  --> src/zip.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fold::TypeFoldable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `TypeFoldable` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/fold/boring_impls.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Shift` is imported redundantly
[INFO] [stdout]  --> src/fold/subst.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Shift` is already imported here
[INFO] [stdout] 2 | use crate::fold::shift::Shift;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PhantomData` is imported redundantly
[INFO] [stdout]  --> src/cast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `PhantomData` is already imported here
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/could_match.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::interner::HasInterner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::zip::{Zip, Zipper};
[INFO] [stdout] 5 | use crate::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/fold/in_place.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     panic!();
[INFO] [stdout]     |                     ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chalk-ir` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3956f2cc5ea0398551a1af7c34fde9101185778857f5a5d1aecd4eb9edd4eae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3956f2cc5ea0398551a1af7c34fde9101185778857f5a5d1aecd4eb9edd4eae0", kill_on_drop: false }`
[INFO] [stdout] 3956f2cc5ea0398551a1af7c34fde9101185778857f5a5d1aecd4eb9edd4eae0