[INFO] fetching crate chalk-solve 0.95.0...
[INFO] checking chalk-solve-0.95.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate chalk-solve 0.95.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate chalk-solve 0.95.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chalk-solve 0.95.0
[INFO] finished tweaking crates.io crate chalk-solve 0.95.0
[INFO] tweaked toml for crates.io crate chalk-solve 0.95.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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] [stderr]   Downloaded nu-ansi-term v0.49.0
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc4f670534c9eaf48881c743c58c76e8fd7d285efa24df87ce001e9c993a893f
[INFO] running `Command { std: "docker" "start" "-a" "cc4f670534c9eaf48881c743c58c76e8fd7d285efa24df87ce001e9c993a893f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc4f670534c9eaf48881c743c58c76e8fd7d285efa24df87ce001e9c993a893f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4f670534c9eaf48881c743c58c76e8fd7d285efa24df87ce001e9c993a893f", kill_on_drop: false }`
[INFO] [stdout] cc4f670534c9eaf48881c743c58c76e8fd7d285efa24df87ce001e9c993a893f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ebd2395e7e2ae3a6915d590979d1af82feaaffa075772011e2992313d15d471
[INFO] running `Command { std: "docker" "start" "-a" "1ebd2395e7e2ae3a6915d590979d1af82feaaffa075772011e2992313d15d471", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking ena v0.14.2
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling chalk-derive v0.95.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking chalk-ir v0.95.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-tree v0.3.0
[INFO] [stderr]     Checking chalk-solve v0.95.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]  --> src/infer/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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/infer/test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chalk_integration::{arg, lifetime, 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/solve/truncate.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         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/solve/truncate.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         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/solve/truncate.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use chalk_integration::{arg, ty};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `chalk_ir` is imported redundantly
[INFO] [stdout]  --> src/coherence.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chalk_ir::{self, ImplId, TraitId};
[INFO] [stdout]   |                ^^^^ the item `chalk_ir` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/infer/instantiate.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chalk_ir::interner::HasInterner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cast` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `Cast` is already imported here
[INFO] [stdout] 3 | use crate::debug_span;
[INFO] [stdout] 4 | use chalk_ir::cast::Cast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeFoldable` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeFoldable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use chalk_ir::fold::{FallibleTypeFolder, TypeFoldable};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 | use chalk_ir::interner::{HasInterner, Interner};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Interner` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `Interner` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 | use chalk_ir::interner::{HasInterner, Interner};
[INFO] [stdout]   |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnificationDatabase` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `UnificationDatabase` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use chalk_ir::UnificationDatabase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `chalk_integration`
[INFO] [stdout]   --> src/solve/truncate.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut table = InferenceTable::<chalk_integration::interner::ChalkIr>::new();
[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/solve/truncate.rs:115:42
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut table = InferenceTable::<chalk_integration::interner::ChalkIr>::new();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `chalk_integration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `chalk_ir` is imported redundantly
[INFO] [stdout]  --> src/coherence.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chalk_ir::{self, ImplId, TraitId};
[INFO] [stdout]   |                ^^^^ the item `chalk_ir` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/infer/instantiate.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chalk_ir::interner::HasInterner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cast` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `Cast` is already imported here
[INFO] [stdout] 3 | use crate::debug_span;
[INFO] [stdout] 4 | use chalk_ir::cast::Cast;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeFoldable` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeFoldable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 | use chalk_ir::fold::{FallibleTypeFolder, TypeFoldable};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasInterner` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `HasInterner` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 | use chalk_ir::interner::{HasInterner, Interner};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Interner` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `Interner` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 | use chalk_ir::interner::{HasInterner, Interner};
[INFO] [stdout]   |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnificationDatabase` is imported redundantly
[INFO] [stdout]  --> src/infer/unify.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `UnificationDatabase` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use chalk_ir::UnificationDatabase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 7 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-solve` (lib test) due to 8 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ebd2395e7e2ae3a6915d590979d1af82feaaffa075772011e2992313d15d471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebd2395e7e2ae3a6915d590979d1af82feaaffa075772011e2992313d15d471", kill_on_drop: false }`
[INFO] [stdout] 1ebd2395e7e2ae3a6915d590979d1af82feaaffa075772011e2992313d15d471
