[INFO] fetching crate wpilib 0.4.0...
[INFO] checking wpilib-0.4.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate wpilib 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wpilib 0.4.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate wpilib 0.4.0
[INFO] finished tweaking crates.io crate wpilib 0.4.0
[INFO] tweaked toml for crates.io crate wpilib 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] daa2f4b91acfaab032ec64b575a4078013c5de22cff436d1ec1cd4384f41ec19
[INFO] running `Command { std: "docker" "start" "-a" "daa2f4b91acfaab032ec64b575a4078013c5de22cff436d1ec1cd4384f41ec19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa2f4b91acfaab032ec64b575a4078013c5de22cff436d1ec1cd4384f41ec19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa2f4b91acfaab032ec64b575a4078013c5de22cff436d1ec1cd4384f41ec19", kill_on_drop: false }`
[INFO] [stdout] daa2f4b91acfaab032ec64b575a4078013c5de22cff436d1ec1cd4384f41ec19
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d876073ce7ea46ce5a338df791b80c06e1bd75277f6c5601f1815ba4157cc7
[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" "15d876073ce7ea46ce5a338df791b80c06e1bd75277f6c5601f1815ba4157cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling wpilib-sys v0.4.0
[INFO] [stderr]     Checking wpilib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/robot_base.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/robot_base.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | static ROBOT_INITED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/robot_base.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/robot_base.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | static ROBOT_INITED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[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 2.24s
[INFO] running `Command { std: "docker" "inspect" "15d876073ce7ea46ce5a338df791b80c06e1bd75277f6c5601f1815ba4157cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d876073ce7ea46ce5a338df791b80c06e1bd75277f6c5601f1815ba4157cc7", kill_on_drop: false }`
[INFO] [stdout] 15d876073ce7ea46ce5a338df791b80c06e1bd75277f6c5601f1815ba4157cc7