[INFO] fetching crate roof 0.6.0...
[INFO] checking roof-0.6.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate roof 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate roof 0.6.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roof 0.6.0
[INFO] finished tweaking crates.io crate roof 0.6.0
[INFO] tweaked toml for crates.io crate roof 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate roof 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 573738712efce62f8d0ab118dd85902e1f486cd67227ade09fd2574469ba25a7
[INFO] running `Command { std: "docker" "start" "-a" "573738712efce62f8d0ab118dd85902e1f486cd67227ade09fd2574469ba25a7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "573738712efce62f8d0ab118dd85902e1f486cd67227ade09fd2574469ba25a7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f3459cc9d6eaf09c47d63cd33faf9709a87f0ec1fc48fe582989f5106713bd8
[INFO] running `Command { std: "docker" "start" "-a" "0f3459cc9d6eaf09c47d63cd33faf9709a87f0ec1fc48fe582989f5106713bd8", kill_on_drop: false }`
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[INFO] [stderr]     Checking roof v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `ip_addr` is not used by name
[INFO] [stdout]    --> src/server.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{}:{}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                            --      ^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this formatting argument uses named argument `ip_addr` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{ip_addr}:{}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `ip_addr` is not used by name
[INFO] [stdout]    --> src/server.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{}:{}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                            --      ^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this formatting argument uses named argument `ip_addr` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{ip_addr}:{}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `port` is not used by name
[INFO] [stdout]    --> src/server.rs:124:55
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{}:{}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                               --                      ^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this formatting argument uses named argument `port` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{}:{port}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `port` is not used by name
[INFO] [stdout]    --> src/server.rs:124:55
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{}:{}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                               --                      ^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this formatting argument uses named argument `port` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let ip_port = format!("{}:{port}", ip_addr = ip_addr, port = port);
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.06s
[INFO] running `Command { std: "docker" "inspect" "0f3459cc9d6eaf09c47d63cd33faf9709a87f0ec1fc48fe582989f5106713bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3459cc9d6eaf09c47d63cd33faf9709a87f0ec1fc48fe582989f5106713bd8", kill_on_drop: false }`
[INFO] [stdout] 0f3459cc9d6eaf09c47d63cd33faf9709a87f0ec1fc48fe582989f5106713bd8