[INFO] fetching crate swp 1.0.3...
[INFO] checking swp-1.0.3 against beta for pr-78714
[INFO] extracting crate swp 1.0.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate swp 1.0.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swp 1.0.3
[INFO] finished tweaking crates.io crate swp 1.0.3
[INFO] tweaked toml for crates.io crate swp 1.0.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate swp 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc010af22e4654d4b8f9ef69a4408daff2d33b99ab70323c2907f61a29da50b
[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" "5bc010af22e4654d4b8f9ef69a4408daff2d33b99ab70323c2907f61a29da50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc010af22e4654d4b8f9ef69a4408daff2d33b99ab70323c2907f61a29da50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc010af22e4654d4b8f9ef69a4408daff2d33b99ab70323c2907f61a29da50b", kill_on_drop: false }`
[INFO] [stdout] 5bc010af22e4654d4b8f9ef69a4408daff2d33b99ab70323c2907f61a29da50b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac41aa7d5482ddaa211545e454f61b4c9dd6de6097801ff9506312bc6beb57c
[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" "eac41aa7d5482ddaa211545e454f61b4c9dd6de6097801ff9506312bc6beb57c", kill_on_drop: false }`
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking swp v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/settings.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 |             _ => panic!("Unexpected error returned"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eac41aa7d5482ddaa211545e454f61b4c9dd6de6097801ff9506312bc6beb57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac41aa7d5482ddaa211545e454f61b4c9dd6de6097801ff9506312bc6beb57c", kill_on_drop: false }`
[INFO] [stdout] eac41aa7d5482ddaa211545e454f61b4c9dd6de6097801ff9506312bc6beb57c