[INFO] fetching crate shoulda_core 0.2.1...
[INFO] building shoulda_core-0.2.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate shoulda_core 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate shoulda_core 0.2.1
[INFO] finished tweaking crates.io crate shoulda_core 0.2.1
[INFO] tweaked toml for crates.io crate shoulda_core 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shoulda_core 0.2.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding const_env_impl v0.1.2 (available: v0.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57474e6b334a18ec03b90fc9262152d6c99f195f74c1f5f9dcc49b90f2400f51
[INFO] running `Command { std: "docker" "start" "-a" "57474e6b334a18ec03b90fc9262152d6c99f195f74c1f5f9dcc49b90f2400f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57474e6b334a18ec03b90fc9262152d6c99f195f74c1f5f9dcc49b90f2400f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57474e6b334a18ec03b90fc9262152d6c99f195f74c1f5f9dcc49b90f2400f51", kill_on_drop: false }`
[INFO] [stdout] 57474e6b334a18ec03b90fc9262152d6c99f195f74c1f5f9dcc49b90f2400f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 247bb4d35c63e13d315c564135f6e44461fab8bd22ec78b6283017656fc8de55
[INFO] running `Command { std: "docker" "start" "-a" "247bb4d35c63e13d315c564135f6e44461fab8bd22ec78b6283017656fc8de55", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling const_env_impl v0.1.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling const_env v0.1.2
[INFO] [stderr]    Compiling shoulda_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn should(&self) -> Should<Self>
[INFO] [stdout]     |               ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn should(&self) -> Should<'_, Self>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/wrapper_types.rs:72:47
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.get().should_eq::<Epsilon>(&other.borrow().get())
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Cell<T>` does not implement `Borrow`, so calling `borrow` on `&Cell<T>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 72 -         self.get().should_eq::<Epsilon>(&other.borrow().get())
[INFO] [stdout] 72 +         self.get().should_eq::<Epsilon>(&other.get())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/cell.rs" }) }
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "247bb4d35c63e13d315c564135f6e44461fab8bd22ec78b6283017656fc8de55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247bb4d35c63e13d315c564135f6e44461fab8bd22ec78b6283017656fc8de55", kill_on_drop: false }`
[INFO] [stdout] 247bb4d35c63e13d315c564135f6e44461fab8bd22ec78b6283017656fc8de55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b983ff515014dc4825d4f5ce42e71dcd7e31b2d245a85642ad1b76bc3b648c4
[INFO] running `Command { std: "docker" "start" "-a" "0b983ff515014dc4825d4f5ce42e71dcd7e31b2d245a85642ad1b76bc3b648c4", kill_on_drop: false }`
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/cell.rs" }) }
[INFO] [stderr]    Compiling shoulda_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn should(&self) -> Should<Self>
[INFO] [stdout]     |               ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn should(&self) -> Should<'_, Self>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/wrapper_types.rs:72:47
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.get().should_eq::<Epsilon>(&other.borrow().get())
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Cell<T>` does not implement `Borrow`, so calling `borrow` on `&Cell<T>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 72 -         self.get().should_eq::<Epsilon>(&other.borrow().get())
[INFO] [stdout] 72 +         self.get().should_eq::<Epsilon>(&other.get())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn should(&self) -> Should<Self>
[INFO] [stdout]     |               ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn should(&self) -> Should<'_, Self>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/wrapper_types.rs:72:47
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.get().should_eq::<Epsilon>(&other.borrow().get())
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Cell<T>` does not implement `Borrow`, so calling `borrow` on `&Cell<T>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 72 -         self.get().should_eq::<Epsilon>(&other.borrow().get())
[INFO] [stdout] 72 +         self.get().should_eq::<Epsilon>(&other.get())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/cell.rs:312:1: 312:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/cell.rs" }) }
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "0b983ff515014dc4825d4f5ce42e71dcd7e31b2d245a85642ad1b76bc3b648c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b983ff515014dc4825d4f5ce42e71dcd7e31b2d245a85642ad1b76bc3b648c4", kill_on_drop: false }`
[INFO] [stdout] 0b983ff515014dc4825d4f5ce42e71dcd7e31b2d245a85642ad1b76bc3b648c4
