[INFO] fetching crate output-tracker 0.1.0...
[INFO] testing output-tracker-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate output-tracker 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate output-tracker 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate output-tracker 0.1.0
[INFO] tweaked toml for crates.io crate output-tracker 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate output-tracker 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate output-tracker 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded unicode-ident v1.0.16
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "c394de8eb1fdd23ed34bebf0168befa3fd4a97e30110d575a863bda737d0ee55", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0432]: unresolved import `output_tracker::threadsafe`
[INFO] [stdout]    --> tests/threadsafe_example.rs:11:21
[INFO] [stdout]     |
[INFO] [stdout]  11 | use output_tracker::threadsafe::{Error, OutputSubject, OutputTracker};
[INFO] [stdout]     |                     ^^^^^^^^^^ could not find `threadsafe` in `output_tracker`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 434 | #[cfg(feature = "threadsafe")]
[INFO] [stdout]     |       ---------------------- the item is gated behind the `threadsafe` feature
[INFO] [stdout] 435 | pub mod threadsafe;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> tests/threadsafe_example.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |     assert_that!(tracker_output).contains_exactly_in_order(vec![
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ multiple `contains_exactly_in_order` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `assertor::IteratorAssertion` for the type `Subject<'a, S, (), R>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `assertor::VecAssertion` for the type `Subject<'a, Vec<T>, (), R>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 91 ~     assertor::IteratorAssertion::contains_exactly_in_order($crate::Subject::new(
[INFO] [stdout] 92 +             &$actual,
[INFO] [stdout] 93 +             stringify!($actual)
[INFO] [stdout] 94 +                 .to_string()
[INFO] [stdout] 95 +                 .replace(" ", "")
[INFO] [stdout] 96 +                 .replace("\n", ""),
[INFO] [stdout] 97 +             /* description= */ None,
[INFO] [stdout] 98 +             /* option= */ (),
[INFO] [stdout] 99 +             Some($crate::Location::new(
[INFO] [stdout] 100+                 file!().to_string(),
[INFO] [stdout] 101+                 line!(),
[INFO] [stdout] 102+                 column!(),
[INFO] [stdout] 103+             )),
[INFO] [stdout] 104+             std::marker::PhantomData::<()>,
[INFO] [stdout] 105~         ), _);
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 91 ~     assertor::VecAssertion::contains_exactly_in_order($crate::Subject::new(
[INFO] [stdout] 92 +             &$actual,
[INFO] [stdout] 93 +             stringify!($actual)
[INFO] [stdout] 94 +                 .to_string()
[INFO] [stdout] 95 +                 .replace(" ", "")
[INFO] [stdout] 96 +                 .replace("\n", ""),
[INFO] [stdout] 97 +             /* description= */ None,
[INFO] [stdout] 98 +             /* option= */ (),
[INFO] [stdout] 99 +             Some($crate::Location::new(
[INFO] [stdout] 100+                 file!().to_string(),
[INFO] [stdout] 101+                 line!(),
[INFO] [stdout] 102+                 column!(),
[INFO] [stdout] 103+             )),
[INFO] [stdout] 104+             std::marker::PhantomData::<()>,
[INFO] [stdout] 105~         ), _);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `output-tracker` (test "threadsafe_example") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dbf144fb633f8778bd1a0a1d452fc77821fc3b22e77780b16f2f0a3cee269de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf144fb633f8778bd1a0a1d452fc77821fc3b22e77780b16f2f0a3cee269de7", kill_on_drop: false }`
[INFO] [stdout] dbf144fb633f8778bd1a0a1d452fc77821fc3b22e77780b16f2f0a3cee269de7