[INFO] fetching crate bit-long-vec 0.2.1...
[INFO] checking bit-long-vec-0.2.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate bit-long-vec 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bit-long-vec 0.2.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit-long-vec 0.2.1
[INFO] finished tweaking crates.io crate bit-long-vec 0.2.1
[INFO] tweaked toml for crates.io crate bit-long-vec 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a3190c93d9e823b6697d663e3f07ae861f4c80519e243caf9cb22b6b796b679
[INFO] running `Command { std: "docker" "start" "-a" "3a3190c93d9e823b6697d663e3f07ae861f4c80519e243caf9cb22b6b796b679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3190c93d9e823b6697d663e3f07ae861f4c80519e243caf9cb22b6b796b679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3190c93d9e823b6697d663e3f07ae861f4c80519e243caf9cb22b6b796b679", kill_on_drop: false }`
[INFO] [stdout] 3a3190c93d9e823b6697d663e3f07ae861f4c80519e243caf9cb22b6b796b679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5cb9f401126fa3143ab402e2d195fec589f0950a1ec2033110dbe1faea13495
[INFO] running `Command { std: "docker" "start" "-a" "b5cb9f401126fa3143ab402e2d195fec589f0950a1ec2033110dbe1faea13495", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-long-vec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_vec`
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let new_vec = vec.resize(4);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 0.21s
[INFO] running `Command { std: "docker" "inspect" "b5cb9f401126fa3143ab402e2d195fec589f0950a1ec2033110dbe1faea13495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cb9f401126fa3143ab402e2d195fec589f0950a1ec2033110dbe1faea13495", kill_on_drop: false }`
[INFO] [stdout] b5cb9f401126fa3143ab402e2d195fec589f0950a1ec2033110dbe1faea13495