[INFO] fetching crate gcmodule 0.3.3...
[INFO] testing gcmodule-0.3.3 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate gcmodule 0.3.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gcmodule 0.3.3 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gcmodule 0.3.3
[INFO] finished tweaking crates.io crate gcmodule 0.3.3
[INFO] tweaked toml for crates.io crate gcmodule 0.3.3 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.12)
[INFO] [stderr]       Adding parking_lot v0.10.2 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.7.3 (latest: v0.9.10)
[INFO] [stderr]       Adding quickcheck v0.9.2 (latest: v1.0.3)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcmodule_derive v0.3.3
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d7d824abaca40150ca79027241bf57aa25648012b525a0c6af83725dd152aae
[INFO] running `Command { std: "docker" "start" "-a" "2d7d824abaca40150ca79027241bf57aa25648012b525a0c6af83725dd152aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d7d824abaca40150ca79027241bf57aa25648012b525a0c6af83725dd152aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7d824abaca40150ca79027241bf57aa25648012b525a0c6af83725dd152aae", kill_on_drop: false }`
[INFO] [stdout] 2d7d824abaca40150ca79027241bf57aa25648012b525a0c6af83725dd152aae
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d88805ade999831a7af098da0bb9bae3074ceefdcea32adb20f4ab20217a7f4
[INFO] running `Command { std: "docker" "start" "-a" "7d88805ade999831a7af098da0bb9bae3074ceefdcea32adb20f4ab20217a7f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling gcmodule_derive v0.3.3
[INFO] [stderr]    Compiling gcmodule v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type
[INFO] [stdout]   --> src/collect.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |         header.prev.set(prev.deref());
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/collect.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     drop(list);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&L`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type
[INFO] [stdout]   --> src/sync/collect.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         header.prev.set(prev.deref());
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "7d88805ade999831a7af098da0bb9bae3074ceefdcea32adb20f4ab20217a7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d88805ade999831a7af098da0bb9bae3074ceefdcea32adb20f4ab20217a7f4", kill_on_drop: false }`
[INFO] [stdout] 7d88805ade999831a7af098da0bb9bae3074ceefdcea32adb20f4ab20217a7f4
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62288f3d79dd21331b08c837d60efbd0963effff74e8cda903e79d5556d46863
[INFO] running `Command { std: "docker" "start" "-a" "62288f3d79dd21331b08c837d60efbd0963effff74e8cda903e79d5556d46863", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type
[INFO] [stdout]   --> src/collect.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |         header.prev.set(prev.deref());
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/collect.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     drop(list);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&L`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type
[INFO] [stdout]   --> src/sync/collect.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         header.prev.set(prev.deref());
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling gcmodule v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type
[INFO] [stdout]   --> src/collect.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |         header.prev.set(prev.deref());
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/collect.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     drop(list);
[INFO] [stdout]     |     ^^^^^----^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&L`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type
[INFO] [stdout]   --> src/sync/collect.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         header.prev.set(prev.deref());
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "62288f3d79dd21331b08c837d60efbd0963effff74e8cda903e79d5556d46863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62288f3d79dd21331b08c837d60efbd0963effff74e8cda903e79d5556d46863", kill_on_drop: false }`
[INFO] [stdout] 62288f3d79dd21331b08c837d60efbd0963effff74e8cda903e79d5556d46863
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 227ee3d9e2282db08d8064de9733b77dd0699cc558d36965f33f6be7c2a52764
[INFO] running `Command { std: "docker" "start" "-a" "227ee3d9e2282db08d8064de9733b77dd0699cc558d36965f33f6be7c2a52764", kill_on_drop: false }`
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `*const GcHeader` instead of dereferencing the inner type
[INFO] [stderr]   --> src/collect.rs:93:29
[INFO] [stderr]    |
[INFO] [stderr] 93 |         header.prev.set(prev.deref());
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/collect.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 |     drop(list);
[INFO] [stderr]     |     ^^^^^----^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `&L`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.deref()` on a double reference, which returns `*const Header` instead of dereferencing the inner type
[INFO] [stderr]   --> src/sync/collect.rs:62:29
[INFO] [stderr]    |
[INFO] [stderr] 62 |         header.prev.set(prev.deref());
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gcmodule` (lib) generated 3 warnings
[INFO] [stderr] warning: `gcmodule` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gcmodule-64ee562663472e86)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test cc::tests::test_gc_header_value ... ok
[INFO] [stdout] test sync::tests::test_2_thread_cycle ... ok
[INFO] [stdout] test tests::test_2_object_cycle_with_another_incoming_reference ... ok
[INFO] [stdout] test tests::test_2_object_cycle_with_another_outgoing_reference ... ok
[INFO] [stdout] test tests::test_3_object_cycle ... ok
[INFO] [stdout] test tests::test_collect_multi_times ... ok
[INFO] [stdout] test tests::test_self_referential ... ok
[INFO] [stdout] test tests::test_drop_by_ref_count ... ok
[INFO] [stdout] test tests::test_simple_cycles ... ok
[INFO] [stdout] test trace_impls::tests::test_is_cyclic_type_tracked ... ok
[INFO] [stdout] test trace_impls::tests::test_is_type_tracked ... ok
[INFO] [stdout] test tests::test_simple_mixed_graph ... ok
[INFO] [stdout] test tests::test_simple_tracked ... ok
[INFO] [stdout] test tests::test_simple_untracked ... ok
[INFO] [stdout] test tests::test_update_with ... ok
[INFO] [stdout] test tests::test_simple_non_trait_cycles ... ok
[INFO] [stdout] test sync::tests::test_17_thread_cycle ... ok
[INFO] [stdout] test sync::tests::test_racy_threads_mixed_collects ... ok
[INFO] [stdout] test tests::test_quickcheck_16_vertex_graph ... ok
[INFO] [stdout] test tests::test_trace_impl_double_visits ... ok
[INFO] [stdout] test sync::tests::test_100_thread_cycle ... ok
[INFO] [stdout] test sync::tests::test_racy_threads_drops ... ok
[INFO] [stdout] test sync::tests::test_racy_threads_collects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gcmodule
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/sync/collect.rs - sync::collect::ThreadedObjectSpace::create (line 167) - compile fail ... ok
[INFO] [stdout] test src/cc.rs - cc::Cc (line 68) - compile fail ... ok
[INFO] [stdout] test src/trace_impls.rs - trace_impls::trace_acyclic (line 11) ... FAILED
[INFO] [stdout] test src/trace_impls.rs - trace_impls::trace_fields (line 38) ... FAILED
[INFO] [stdout] test src/lib.rs - Trace (line 270) ... ok
[INFO] [stdout] test src/lib.rs - (line 137) ... ok
[INFO] [stdout] test src/collect.rs - collect::ObjectSpace (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/trace_impls.rs - trace_impls::trace_acyclic (line 11) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `gcmodule::trace_acyclic`
[INFO] [stdout]  --> src/trace_impls.rs:13:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use gcmodule::trace_acyclic;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `trace_acyclic` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/trace_impls.rs - trace_impls::trace_fields (line 38) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `gcmodule::trace_fields`
[INFO] [stdout]  --> src/trace_impls.rs:41:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use gcmodule::trace_fields;
[INFO] [stdout]   |     ^^^^^^^^^^------------
[INFO] [stdout]   |     |         |
[INFO] [stdout]   |     |         help: a similar name exists in the module: `trace_impls`
[INFO] [stdout]   |     no `trace_fields` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/trace_impls.rs - trace_impls::trace_acyclic (line 11)
[INFO] [stdout]     src/trace_impls.rs - trace_impls::trace_fields (line 38)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "227ee3d9e2282db08d8064de9733b77dd0699cc558d36965f33f6be7c2a52764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227ee3d9e2282db08d8064de9733b77dd0699cc558d36965f33f6be7c2a52764", kill_on_drop: false }`
[INFO] [stdout] 227ee3d9e2282db08d8064de9733b77dd0699cc558d36965f33f6be7c2a52764
