[INFO] fetching crate btparse 0.1.1...
[INFO] checking btparse-0.1.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate btparse 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate btparse 0.1.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate btparse 0.1.1
[INFO] finished tweaking crates.io crate btparse 0.1.1
[INFO] tweaked toml for crates.io crate btparse 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 9ac5904da2175746cf5e80c1dbe68b179cd4561449d0e292839b09990b407b01
[INFO] running `Command { std: "docker" "start" "-a" "9ac5904da2175746cf5e80c1dbe68b179cd4561449d0e292839b09990b407b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac5904da2175746cf5e80c1dbe68b179cd4561449d0e292839b09990b407b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac5904da2175746cf5e80c1dbe68b179cd4561449d0e292839b09990b407b01", kill_on_drop: false }`
[INFO] [stdout] 9ac5904da2175746cf5e80c1dbe68b179cd4561449d0e292839b09990b407b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b614fd97c424b82ec79e8ddaa6c52c28ff21f7282bd625c9dc84e7a4694263
[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" "d5b614fd97c424b82ec79e8ddaa6c52c28ff21f7282bd625c9dc84e7a4694263", kill_on_drop: false }`
[INFO] [stderr]    Compiling eyre v0.3.10
[INFO] [stderr]     Checking indenter v0.1.3
[INFO] [stderr]     Checking btparse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Empty,
[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: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Empty,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "d5b614fd97c424b82ec79e8ddaa6c52c28ff21f7282bd625c9dc84e7a4694263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b614fd97c424b82ec79e8ddaa6c52c28ff21f7282bd625c9dc84e7a4694263", kill_on_drop: false }`
[INFO] [stdout] d5b614fd97c424b82ec79e8ddaa6c52c28ff21f7282bd625c9dc84e7a4694263