[INFO] fetching crate skylane_scanner 0.1.1...
[INFO] checking skylane_scanner-0.1.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate skylane_scanner 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate skylane_scanner 0.1.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skylane_scanner 0.1.1
[INFO] finished tweaking crates.io crate skylane_scanner 0.1.1
[INFO] tweaked toml for crates.io crate skylane_scanner 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968fd7f508645b7063512c039c4288f3eeb9fead150a7fff8253fb14596c5d24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "968fd7f508645b7063512c039c4288f3eeb9fead150a7fff8253fb14596c5d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968fd7f508645b7063512c039c4288f3eeb9fead150a7fff8253fb14596c5d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968fd7f508645b7063512c039c4288f3eeb9fead150a7fff8253fb14596c5d24", kill_on_drop: false }`
[INFO] [stdout] 968fd7f508645b7063512c039c4288f3eeb9fead150a7fff8253fb14596c5d24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10d3f2078ffe5e9839d4155a9ffb575713d008eba52eae75d2d5f1369d23d171
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10d3f2078ffe5e9839d4155a9ffb575713d008eba52eae75d2d5f1369d23d171", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking skylane_scanner v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/scanner.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ParseStr(std::string::ParseError),
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              unreachable expression
[INFO] [stdout]    |              any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/scanner.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         Error::ParseStr(error)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ ----- any code following this expression is unreachable
[INFO] [stdout]    |         |
[INFO] [stdout]    |         unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/scanner.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ParseStr(std::string::ParseError),
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              unreachable expression
[INFO] [stdout]    |              any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/scanner.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         Error::ParseStr(error)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ ----- any code following this expression is unreachable
[INFO] [stdout]    |         |
[INFO] [stdout]    |         unreachable call
[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 2.61s
[INFO] running `Command { std: "docker" "inspect" "10d3f2078ffe5e9839d4155a9ffb575713d008eba52eae75d2d5f1369d23d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d3f2078ffe5e9839d4155a9ffb575713d008eba52eae75d2d5f1369d23d171", kill_on_drop: false }`
[INFO] [stdout] 10d3f2078ffe5e9839d4155a9ffb575713d008eba52eae75d2d5f1369d23d171