[INFO] fetching crate a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 0.0.2...
[INFO] checking a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4-0.0.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 0.0.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 0.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 0.0.2
[INFO] finished tweaking crates.io crate a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 0.0.2
[INFO] tweaked toml for crates.io crate a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 0.0.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3652c6114ef9099e6350f1dc2bcb4bc2e59a2d0239754d4f8c6b3700e7b48e
[INFO] running `Command { std: "docker" "start" "-a" "6b3652c6114ef9099e6350f1dc2bcb4bc2e59a2d0239754d4f8c6b3700e7b48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3652c6114ef9099e6350f1dc2bcb4bc2e59a2d0239754d4f8c6b3700e7b48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3652c6114ef9099e6350f1dc2bcb4bc2e59a2d0239754d4f8c6b3700e7b48e", kill_on_drop: false }`
[INFO] [stdout] 6b3652c6114ef9099e6350f1dc2bcb4bc2e59a2d0239754d4f8c6b3700e7b48e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22881f05c2184f3bc7109c7ee039deae7bffc431bb7346e2cc390262aa39638b
[INFO] running `Command { std: "docker" "start" "-a" "22881f05c2184f3bc7109c7ee039deae7bffc431bb7346e2cc390262aa39638b", kill_on_drop: false }`
[INFO] [stderr]     Checking a3367375555a54fbf95193255434fac4e24fcc0460a7d874257f472e4 v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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 0.89s
[INFO] running `Command { std: "docker" "inspect" "22881f05c2184f3bc7109c7ee039deae7bffc431bb7346e2cc390262aa39638b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22881f05c2184f3bc7109c7ee039deae7bffc431bb7346e2cc390262aa39638b", kill_on_drop: false }`
[INFO] [stdout] 22881f05c2184f3bc7109c7ee039deae7bffc431bb7346e2cc390262aa39638b
