[INFO] fetching crate palaver 0.3.0-alpha.3...
[INFO] checking palaver-0.3.0-alpha.3 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate palaver 0.3.0-alpha.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate palaver 0.3.0-alpha.3
[INFO] tweaked toml for crates.io crate palaver 0.3.0-alpha.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate palaver 0.3.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff016b9502065eb48e6c90e82b1cd77ecd1638012b60daf24514c56660aa4bbd
[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" "ff016b9502065eb48e6c90e82b1cd77ecd1638012b60daf24514c56660aa4bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff016b9502065eb48e6c90e82b1cd77ecd1638012b60daf24514c56660aa4bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff016b9502065eb48e6c90e82b1cd77ecd1638012b60daf24514c56660aa4bbd", kill_on_drop: false }`
[INFO] [stdout] ff016b9502065eb48e6c90e82b1cd77ecd1638012b60daf24514c56660aa4bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e937cd6895e8ad5ba42274b47245fa04805797485e242b2cf90c26072784127e
[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" "e937cd6895e8ad5ba42274b47245fa04805797485e242b2cf90c26072784127e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking replace_with v0.1.5
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking procfs v0.7.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking palaver v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/process.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let _ = owns.state.compare_and_swap(0, 1, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/process.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let _ = owns.state.compare_and_swap(0, 1, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 46.73s
[INFO] running `Command { std: "docker" "inspect" "e937cd6895e8ad5ba42274b47245fa04805797485e242b2cf90c26072784127e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e937cd6895e8ad5ba42274b47245fa04805797485e242b2cf90c26072784127e", kill_on_drop: false }`
[INFO] [stdout] e937cd6895e8ad5ba42274b47245fa04805797485e242b2cf90c26072784127e