[INFO] fetching crate jack 0.6.5...
[INFO] checking jack-0.6.5 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate jack 0.6.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate jack 0.6.5 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jack 0.6.5
[INFO] finished tweaking crates.io crate jack 0.6.5
[INFO] tweaked toml for crates.io crate jack 0.6.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate jack 0.6.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90511b918e45377b414dde263fc5d657a1d85bba3b5d3baede737dddfa750cbb
[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" "90511b918e45377b414dde263fc5d657a1d85bba3b5d3baede737dddfa750cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90511b918e45377b414dde263fc5d657a1d85bba3b5d3baede737dddfa750cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90511b918e45377b414dde263fc5d657a1d85bba3b5d3baede737dddfa750cbb", kill_on_drop: false }`
[INFO] [stdout] 90511b918e45377b414dde263fc5d657a1d85bba3b5d3baede737dddfa750cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0e3759a557f9afe490a2ffc3b485ec0230032d87bb0d7b4272cb029b377894
[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" "4d0e3759a557f9afe490a2ffc3b485ec0230032d87bb0d7b4272cb029b377894", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ringbuffer.rs:218:14
[INFO] [stdout]     |
[INFO] [stdout] 218 |             .compare_and_swap(true, false, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ringbuffer.rs:316:14
[INFO] [stdout]     |
[INFO] [stdout] 316 |             .compare_and_swap(true, false, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ringbuffer.rs:218:14
[INFO] [stdout]     |
[INFO] [stdout] 218 |             .compare_and_swap(true, false, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ringbuffer.rs:316:14
[INFO] [stdout]     |
[INFO] [stdout] 316 |             .compare_and_swap(true, false, Ordering::SeqCst)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "4d0e3759a557f9afe490a2ffc3b485ec0230032d87bb0d7b4272cb029b377894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0e3759a557f9afe490a2ffc3b485ec0230032d87bb0d7b4272cb029b377894", kill_on_drop: false }`
[INFO] [stdout] 4d0e3759a557f9afe490a2ffc3b485ec0230032d87bb0d7b4272cb029b377894