[INFO] fetching crate levarint64 0.2.8...
[INFO] checking levarint64-0.2.8 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate levarint64 0.2.8 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate levarint64 0.2.8 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac4fccbe2149d12ccc825c48db4f1b0e4567821c353d5fc65b5e600c04e22af5
[INFO] running `Command { std: "docker" "start" "-a" "ac4fccbe2149d12ccc825c48db4f1b0e4567821c353d5fc65b5e600c04e22af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac4fccbe2149d12ccc825c48db4f1b0e4567821c353d5fc65b5e600c04e22af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4fccbe2149d12ccc825c48db4f1b0e4567821c353d5fc65b5e600c04e22af5", kill_on_drop: false }`
[INFO] [stdout] ac4fccbe2149d12ccc825c48db4f1b0e4567821c353d5fc65b5e600c04e22af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9ccb85e791e7a9d377bfca76e3daa18eed7be8cc0c01de7f8dfaa1e20c52660
[INFO] running `Command { std: "docker" "start" "-a" "c9ccb85e791e7a9d377bfca76e3daa18eed7be8cc0c01de7f8dfaa1e20c52660", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 0.44s
[INFO] running `Command { std: "docker" "inspect" "c9ccb85e791e7a9d377bfca76e3daa18eed7be8cc0c01de7f8dfaa1e20c52660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ccb85e791e7a9d377bfca76e3daa18eed7be8cc0c01de7f8dfaa1e20c52660", kill_on_drop: false }`
[INFO] [stdout] c9ccb85e791e7a9d377bfca76e3daa18eed7be8cc0c01de7f8dfaa1e20c52660