[INFO] fetching crate noak 0.4.0-alpha.3...
[INFO] checking noak-0.4.0-alpha.3 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate noak 0.4.0-alpha.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate noak 0.4.0-alpha.3 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noak 0.4.0-alpha.3
[INFO] finished tweaking crates.io crate noak 0.4.0-alpha.3
[INFO] tweaked toml for crates.io crate noak 0.4.0-alpha.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate noak 0.4.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad81063a9f4dbcf12704a361541cf4c32c0d8d5157a0b6296d2f91645c169444
[INFO] running `Command { std: "docker" "start" "-a" "ad81063a9f4dbcf12704a361541cf4c32c0d8d5157a0b6296d2f91645c169444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad81063a9f4dbcf12704a361541cf4c32c0d8d5157a0b6296d2f91645c169444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad81063a9f4dbcf12704a361541cf4c32c0d8d5157a0b6296d2f91645c169444", kill_on_drop: false }`
[INFO] [stdout] ad81063a9f4dbcf12704a361541cf4c32c0d8d5157a0b6296d2f91645c169444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8605c3ddd23cabc4ab46b5e5b1df0d801089ad96417f275f87a1f28d3e14a25
[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" "e8605c3ddd23cabc4ab46b5e5b1df0d801089ad96417f275f87a1f28d3e14a25", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking noak v0.4.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `ExceptionTable`
[INFO] [stdout]    --> src/writer/attributes/code.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ExceptionTable,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceptionTable`
[INFO] [stdout]    --> src/writer/attributes/code.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ExceptionTable,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "e8605c3ddd23cabc4ab46b5e5b1df0d801089ad96417f275f87a1f28d3e14a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8605c3ddd23cabc4ab46b5e5b1df0d801089ad96417f275f87a1f28d3e14a25", kill_on_drop: false }`
[INFO] [stdout] e8605c3ddd23cabc4ab46b5e5b1df0d801089ad96417f275f87a1f28d3e14a25