[INFO] fetching crate verugent 0.1.3...
[INFO] testing verugent-0.1.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate verugent 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate verugent 0.1.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-5/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 319d7f0d7647069a9de878c557efaa5f3153fc73fbe7e2d823d72412243077ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "319d7f0d7647069a9de878c557efaa5f3153fc73fbe7e2d823d72412243077ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319d7f0d7647069a9de878c557efaa5f3153fc73fbe7e2d823d72412243077ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319d7f0d7647069a9de878c557efaa5f3153fc73fbe7e2d823d72412243077ce", kill_on_drop: false }`
[INFO] [stdout] 319d7f0d7647069a9de878c557efaa5f3153fc73fbe7e2d823d72412243077ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0d9d7a26c25902a1f5703ac00a97f99dceb8dbb2506ccde8fc297ceb674fd57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0d9d7a26c25902a1f5703ac00a97f99dceb8dbb2506ccde8fc297ceb674fd57", 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 2.56s
[INFO] running `Command { std: "docker" "inspect" "a0d9d7a26c25902a1f5703ac00a97f99dceb8dbb2506ccde8fc297ceb674fd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d9d7a26c25902a1f5703ac00a97f99dceb8dbb2506ccde8fc297ceb674fd57", kill_on_drop: false }`
[INFO] [stdout] a0d9d7a26c25902a1f5703ac00a97f99dceb8dbb2506ccde8fc297ceb674fd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29c249b1eb4bb46dc4b0d2c438edebef7c07ff38d0a4ed45a3a16ae613c9419b
[INFO] running `Command { std: "docker" "start" "-a" "29c249b1eb4bb46dc4b0d2c438edebef7c07ff38d0a4ed45a3a16ae613c9419b", 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 4.92s
[INFO] running `Command { std: "docker" "inspect" "29c249b1eb4bb46dc4b0d2c438edebef7c07ff38d0a4ed45a3a16ae613c9419b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c249b1eb4bb46dc4b0d2c438edebef7c07ff38d0a4ed45a3a16ae613c9419b", kill_on_drop: false }`
[INFO] [stdout] 29c249b1eb4bb46dc4b0d2c438edebef7c07ff38d0a4ed45a3a16ae613c9419b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5746365d92e742fa7e449926b35d92191841f33199ee87851156f00b4415834c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5746365d92e742fa7e449926b35d92191841f33199ee87851156f00b4415834c", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/verugent-720e5a757017b7ec)
[INFO] [stderr]    Doc-tests verugent
[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] [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" "5746365d92e742fa7e449926b35d92191841f33199ee87851156f00b4415834c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5746365d92e742fa7e449926b35d92191841f33199ee87851156f00b4415834c", kill_on_drop: false }`
[INFO] [stdout] 5746365d92e742fa7e449926b35d92191841f33199ee87851156f00b4415834c