[INFO] fetching crate verugent 0.1.3...
[INFO] testing verugent-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate verugent 0.1.3 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate verugent 0.1.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate verugent 0.1.3
[INFO] finished tweaking crates.io crate verugent 0.1.3
[INFO] tweaked toml for crates.io crate verugent 0.1.3 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate crates.io crate verugent 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db48d53db8e611d87f08fe2f643aa6cc3d2d6c1c28f920a9501682d0e2ea97a1
[INFO] running `Command { std: "docker" "start" "-a" "db48d53db8e611d87f08fe2f643aa6cc3d2d6c1c28f920a9501682d0e2ea97a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db48d53db8e611d87f08fe2f643aa6cc3d2d6c1c28f920a9501682d0e2ea97a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db48d53db8e611d87f08fe2f643aa6cc3d2d6c1c28f920a9501682d0e2ea97a1", kill_on_drop: false }`
[INFO] [stdout] db48d53db8e611d87f08fe2f643aa6cc3d2d6c1c28f920a9501682d0e2ea97a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1394423fd4c49ba8812c7106a2e0636b01b374f24841fe6413481f4d3ab56437
[INFO] running `Command { std: "docker" "start" "-a" "1394423fd4c49ba8812c7106a2e0636b01b374f24841fe6413481f4d3ab56437", kill_on_drop: false }`
[INFO] [stderr]    Compiling verugent v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::new` that must be used
[INFO] [stdout]     --> src/vcore.rs:1456:13
[INFO] [stdout]      |
[INFO] [stdout] 1456 |             Box::new(E::Null);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "1394423fd4c49ba8812c7106a2e0636b01b374f24841fe6413481f4d3ab56437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1394423fd4c49ba8812c7106a2e0636b01b374f24841fe6413481f4d3ab56437", kill_on_drop: false }`
[INFO] [stdout] 1394423fd4c49ba8812c7106a2e0636b01b374f24841fe6413481f4d3ab56437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 199f96ebb6e3cdb3ef2d4bbd1e9ececf39f03c980a7d0fa2417fd51a6a0f9c1f
[INFO] running `Command { std: "docker" "start" "-a" "199f96ebb6e3cdb3ef2d4bbd1e9ececf39f03c980a7d0fa2417fd51a6a0f9c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling verugent v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::new` that must be used
[INFO] [stdout]     --> src/vcore.rs:1456:13
[INFO] [stdout]      |
[INFO] [stdout] 1456 |             Box::new(E::Null);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::new` that must be used
[INFO] [stdout]     --> src/vcore.rs:1456:13
[INFO] [stdout]      |
[INFO] [stdout] 1456 |             Box::new(E::Null);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/verugent-6931f10491bb1ba5)
[INFO] running `Command { std: "docker" "inspect" "199f96ebb6e3cdb3ef2d4bbd1e9ececf39f03c980a7d0fa2417fd51a6a0f9c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199f96ebb6e3cdb3ef2d4bbd1e9ececf39f03c980a7d0fa2417fd51a6a0f9c1f", kill_on_drop: false }`
[INFO] [stdout] 199f96ebb6e3cdb3ef2d4bbd1e9ececf39f03c980a7d0fa2417fd51a6a0f9c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e223958c9479a8caf91263f0c9e9d8ae3badfe5ccae6c285f59135ae9d7f475c
[INFO] running `Command { std: "docker" "start" "-a" "e223958c9479a8caf91263f0c9e9d8ae3badfe5ccae6c285f59135ae9d7f475c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `Box::<T>::new` that must be used
[INFO] [stderr]     --> src/vcore.rs:1456:13
[INFO] [stderr]      |
[INFO] [stderr] 1456 |             Box::new(E::Null);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `verugent` (lib) generated 1 warning
[INFO] [stderr] warning: `verugent` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/verugent-6931f10491bb1ba5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests verugent
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e223958c9479a8caf91263f0c9e9d8ae3badfe5ccae6c285f59135ae9d7f475c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e223958c9479a8caf91263f0c9e9d8ae3badfe5ccae6c285f59135ae9d7f475c", kill_on_drop: false }`
[INFO] [stdout] e223958c9479a8caf91263f0c9e9d8ae3badfe5ccae6c285f59135ae9d7f475c