[INFO] fetching crate levarint64 0.2.8...
[INFO] testing levarint64-0.2.8 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate levarint64 0.2.8 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate levarint64 0.2.8
[INFO] finished tweaking crates.io crate levarint64 0.2.8
[INFO] tweaked toml for crates.io crate levarint64 0.2.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate levarint64 0.2.8 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32f2f93085679a9fe29f8a8330fc53d8db73570677dbb06db074cd3b307c857a
[INFO] running `Command { std: "docker" "start" "-a" "32f2f93085679a9fe29f8a8330fc53d8db73570677dbb06db074cd3b307c857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f2f93085679a9fe29f8a8330fc53d8db73570677dbb06db074cd3b307c857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f2f93085679a9fe29f8a8330fc53d8db73570677dbb06db074cd3b307c857a", kill_on_drop: false }`
[INFO] [stdout] 32f2f93085679a9fe29f8a8330fc53d8db73570677dbb06db074cd3b307c857a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c40b89ffca214bb5799afa92a652cc040a875fdfd2f5dfb18094eee3557243e8
[INFO] running `Command { std: "docker" "start" "-a" "c40b89ffca214bb5799afa92a652cc040a875fdfd2f5dfb18094eee3557243e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling levarint64 v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             drop(low64);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut [u8; 8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 97 -             drop(low64);
[INFO] [stdout] 97 +             let _ = low64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c40b89ffca214bb5799afa92a652cc040a875fdfd2f5dfb18094eee3557243e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40b89ffca214bb5799afa92a652cc040a875fdfd2f5dfb18094eee3557243e8", kill_on_drop: false }`
[INFO] [stdout] c40b89ffca214bb5799afa92a652cc040a875fdfd2f5dfb18094eee3557243e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc1e013880be41c8c59e81fa1dda17471a2b2a4882a5b728e40fade95f22f99
[INFO] running `Command { std: "docker" "start" "-a" "8fc1e013880be41c8c59e81fa1dda17471a2b2a4882a5b728e40fade95f22f99", kill_on_drop: false }`
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             drop(low64);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut [u8; 8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 97 -             drop(low64);
[INFO] [stdout] 97 +             let _ = low64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling levarint64 v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             drop(low64);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut [u8; 8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 97 -             drop(low64);
[INFO] [stdout] 97 +             let _ = low64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "8fc1e013880be41c8c59e81fa1dda17471a2b2a4882a5b728e40fade95f22f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc1e013880be41c8c59e81fa1dda17471a2b2a4882a5b728e40fade95f22f99", kill_on_drop: false }`
[INFO] [stdout] 8fc1e013880be41c8c59e81fa1dda17471a2b2a4882a5b728e40fade95f22f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e333c53ff19c9bde7472720216d5553ab8889dd63e8d99eef5528e1c73b532b7
[INFO] running `Command { std: "docker" "start" "-a" "e333c53ff19c9bde7472720216d5553ab8889dd63e8d99eef5528e1c73b532b7", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/lib.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             drop(low64);
[INFO] [stderr]    |             ^^^^^-----^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut [u8; 8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 97 -             drop(low64);
[INFO] [stdout] 
[INFO] [stderr] 97 +             let _ = low64;
[INFO] [stdout] running 3 tests
[INFO] [stderr]    |
[INFO] [stdout] test tests::test_encoding ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_decoding ... ok
[INFO] [stderr] warning: `levarint64` (lib) generated 1 warning
[INFO] [stdout] test tests::test_u64_from_x ... ok
[INFO] [stderr] warning: `levarint64` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/levarint64-f277cfab8e37a2de)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests levarint64
[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" "e333c53ff19c9bde7472720216d5553ab8889dd63e8d99eef5528e1c73b532b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e333c53ff19c9bde7472720216d5553ab8889dd63e8d99eef5528e1c73b532b7", kill_on_drop: false }`
[INFO] [stdout] e333c53ff19c9bde7472720216d5553ab8889dd63e8d99eef5528e1c73b532b7