[INFO] fetching crate chalk-engine 0.95.0...
[INFO] checking chalk-engine-0.95.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate chalk-engine 0.95.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate chalk-engine 0.95.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chalk-engine 0.95.0
[INFO] finished tweaking crates.io crate chalk-engine 0.95.0
[INFO] tweaked toml for crates.io crate chalk-engine 0.95.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chalk-solve v0.95.0
[INFO] [stderr]   Downloaded synstructure v0.13.1
[INFO] [stderr]   Downloaded chalk-derive v0.95.0
[INFO] [stderr]   Downloaded chalk-ir v0.95.0
[INFO] [stderr]   Downloaded tracing-tree v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50ed7fd8e681ca4ef653de8ff80feda93f88d021807ce4557506ca64e0f8714a
[INFO] running `Command { std: "docker" "start" "-a" "50ed7fd8e681ca4ef653de8ff80feda93f88d021807ce4557506ca64e0f8714a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50ed7fd8e681ca4ef653de8ff80feda93f88d021807ce4557506ca64e0f8714a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ed7fd8e681ca4ef653de8ff80feda93f88d021807ce4557506ca64e0f8714a", kill_on_drop: false }`
[INFO] [stdout] 50ed7fd8e681ca4ef653de8ff80feda93f88d021807ce4557506ca64e0f8714a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4dbc5bfce9842c96c136659ab2684cc651edbb80a9cfabb11b00d224122732
[INFO] running `Command { std: "docker" "start" "-a" "4d4dbc5bfce9842c96c136659ab2684cc651edbb80a9cfabb11b00d224122732", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking ena v0.14.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling chalk-derive v0.95.0
[INFO] [stderr]     Checking chalk-ir v0.95.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-tree v0.3.0
[INFO] [stderr]     Checking chalk-solve v0.95.0
[INFO] [stderr]     Checking chalk-engine v0.95.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/normalize_deep.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chalk_integration`
[INFO] [stdout]    --> src/normalize_deep.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use chalk_integration::{arg, ty};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:585:13
[INFO] [stdout]     |
[INFO] [stdout] 585 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:622:13
[INFO] [stdout]     |
[INFO] [stdout] 622 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |     use chalk_integration::{arg, ty};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chalk-engine` (lib test) due to 7 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d4dbc5bfce9842c96c136659ab2684cc651edbb80a9cfabb11b00d224122732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4dbc5bfce9842c96c136659ab2684cc651edbb80a9cfabb11b00d224122732", kill_on_drop: false }`
[INFO] [stdout] 4d4dbc5bfce9842c96c136659ab2684cc651edbb80a9cfabb11b00d224122732
[INFO] checking chalk-engine-0.95.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate chalk-engine 0.95.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate chalk-engine 0.95.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chalk-engine 0.95.0
[INFO] finished tweaking crates.io crate chalk-engine 0.95.0
[INFO] tweaked toml for crates.io crate chalk-engine 0.95.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a031bfca8f0c674147cd1fc923e274ee611f233b5755e8aa0cf721a250f26c14
[INFO] running `Command { std: "docker" "start" "-a" "a031bfca8f0c674147cd1fc923e274ee611f233b5755e8aa0cf721a250f26c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a031bfca8f0c674147cd1fc923e274ee611f233b5755e8aa0cf721a250f26c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a031bfca8f0c674147cd1fc923e274ee611f233b5755e8aa0cf721a250f26c14", kill_on_drop: false }`
[INFO] [stdout] a031bfca8f0c674147cd1fc923e274ee611f233b5755e8aa0cf721a250f26c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a7276f267e9be44e47bf0d20aee57acb0b2accc2cb8ef64709b421b0dd0a63
[INFO] running `Command { std: "docker" "start" "-a" "52a7276f267e9be44e47bf0d20aee57acb0b2accc2cb8ef64709b421b0dd0a63", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking ena v0.14.2
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling chalk-derive v0.95.0
[INFO] [stderr]     Checking chalk-ir v0.95.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-tree v0.3.0
[INFO] [stderr]     Checking chalk-solve v0.95.0
[INFO] [stderr]     Checking chalk-engine v0.95.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/normalize_deep.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chalk_integration`
[INFO] [stdout]    --> src/normalize_deep.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use chalk_integration::{arg, ty};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:585:13
[INFO] [stdout]     |
[INFO] [stdout] 585 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:603:13
[INFO] [stdout]     |
[INFO] [stdout] 603 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:622:13
[INFO] [stdout]     |
[INFO] [stdout] 622 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chalk_integration`
[INFO] [stdout]    --> src/slg/aggregate.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |     use chalk_integration::{arg, ty};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                ^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/derived.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chalk-engine` (lib test) due to 7 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52a7276f267e9be44e47bf0d20aee57acb0b2accc2cb8ef64709b421b0dd0a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a7276f267e9be44e47bf0d20aee57acb0b2accc2cb8ef64709b421b0dd0a63", kill_on_drop: false }`
[INFO] [stdout] 52a7276f267e9be44e47bf0d20aee57acb0b2accc2cb8ef64709b421b0dd0a63
