[INFO] fetching crate verugent 0.1.3...
[INFO] testing verugent-0.1.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate verugent 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate verugent 0.1.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-2/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30ed7f442834e4008c132ffcdd6e7841fb7ef269f783c1369de71b08ceb17e2
[INFO] running `Command { std: "docker" "start" "-a" "d30ed7f442834e4008c132ffcdd6e7841fb7ef269f783c1369de71b08ceb17e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30ed7f442834e4008c132ffcdd6e7841fb7ef269f783c1369de71b08ceb17e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30ed7f442834e4008c132ffcdd6e7841fb7ef269f783c1369de71b08ceb17e2", kill_on_drop: false }`
[INFO] [stdout] d30ed7f442834e4008c132ffcdd6e7841fb7ef269f783c1369de71b08ceb17e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3009bd22314454efdea559d2d79aab65a3693c15e412d6634194f7170e2fe54
[INFO] running `Command { std: "docker" "start" "-a" "f3009bd22314454efdea559d2d79aab65a3693c15e412d6634194f7170e2fe54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.24s
[INFO] running `Command { std: "docker" "inspect" "f3009bd22314454efdea559d2d79aab65a3693c15e412d6634194f7170e2fe54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3009bd22314454efdea559d2d79aab65a3693c15e412d6634194f7170e2fe54", kill_on_drop: false }`
[INFO] [stdout] f3009bd22314454efdea559d2d79aab65a3693c15e412d6634194f7170e2fe54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31fa216e319f50c513d75d44c2c675c71690f31f4e08901905e62e5c82442242
[INFO] running `Command { std: "docker" "start" "-a" "31fa216e319f50c513d75d44c2c675c71690f31f4e08901905e62e5c82442242", kill_on_drop: false }`
[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] [stderr]    Compiling verugent v0.1.3 (/opt/rustwide/workdir)
[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 1.25s
[INFO] running `Command { std: "docker" "inspect" "31fa216e319f50c513d75d44c2c675c71690f31f4e08901905e62e5c82442242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fa216e319f50c513d75d44c2c675c71690f31f4e08901905e62e5c82442242", kill_on_drop: false }`
[INFO] [stdout] 31fa216e319f50c513d75d44c2c675c71690f31f4e08901905e62e5c82442242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae616db19594719a59c5d1fed24e987b6811af2805fff1ded76e02b172474e09
[INFO] running `Command { std: "docker" "start" "-a" "ae616db19594719a59c5d1fed24e987b6811af2805fff1ded76e02b172474e09", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/verugent-3166b0a4787dacb8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[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] [stderr]    Doc-tests verugent
[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" "ae616db19594719a59c5d1fed24e987b6811af2805fff1ded76e02b172474e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae616db19594719a59c5d1fed24e987b6811af2805fff1ded76e02b172474e09", kill_on_drop: false }`
[INFO] [stdout] ae616db19594719a59c5d1fed24e987b6811af2805fff1ded76e02b172474e09