[INFO] fetching crate lambash 0.1.0...
[INFO] checking lambash-0.1.0 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate lambash 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lambash 0.1.0 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lambash 0.1.0
[INFO] finished tweaking crates.io crate lambash 0.1.0
[INFO] tweaked toml for crates.io crate lambash 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be40afca501ce0a41e5f2e8102dbf31ae3388c40b4b43b4c0b4a12b57423831a
[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" "be40afca501ce0a41e5f2e8102dbf31ae3388c40b4b43b4c0b4a12b57423831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be40afca501ce0a41e5f2e8102dbf31ae3388c40b4b43b4c0b4a12b57423831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be40afca501ce0a41e5f2e8102dbf31ae3388c40b4b43b4c0b4a12b57423831a", kill_on_drop: false }`
[INFO] [stdout] be40afca501ce0a41e5f2e8102dbf31ae3388c40b4b43b4c0b4a12b57423831a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039297e9f5ca85db736d8304a53b1aa2d85a53f2ebc981352391d511bda5980e
[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" "039297e9f5ca85db736d8304a53b1aa2d85a53f2ebc981352391d511bda5980e", kill_on_drop: false }`
[INFO] [stderr]     Checking lambash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/ast.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Number(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/ast.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/ast.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Number(i64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/ast.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "039297e9f5ca85db736d8304a53b1aa2d85a53f2ebc981352391d511bda5980e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039297e9f5ca85db736d8304a53b1aa2d85a53f2ebc981352391d511bda5980e", kill_on_drop: false }`
[INFO] [stdout] 039297e9f5ca85db736d8304a53b1aa2d85a53f2ebc981352391d511bda5980e