[INFO] fetching crate wascc-nats 0.8.0...
[INFO] checking wascc-nats-0.8.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate wascc-nats 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wascc-nats 0.8.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wascc-nats 0.8.0
[INFO] finished tweaking crates.io crate wascc-nats 0.8.0
[INFO] tweaked toml for crates.io crate wascc-nats 0.8.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signature v1.0.0-pre.1
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded subtle-encoding v0.4.1
[INFO] [stderr]   Downloaded signatory v0.18.1
[INFO] [stderr]   Downloaded ed25519 v1.0.0-pre.1
[INFO] [stderr]   Downloaded nkeys v0.0.9
[INFO] [stderr]   Downloaded nats-types v0.1.8
[INFO] [stderr]   Downloaded data-encoding v2.3.0
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded natsclient v0.0.7
[INFO] [stderr]   Downloaded nuid v0.2.1
[INFO] [stderr]   Downloaded signatory-dalek v0.18.1
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.4
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] efc1081bb482c0fc2331d102df6a39e1edf28b13eee92cf987cb6cd78bcae3c1
[INFO] running `Command { std: "docker" "start" "-a" "efc1081bb482c0fc2331d102df6a39e1edf28b13eee92cf987cb6cd78bcae3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efc1081bb482c0fc2331d102df6a39e1edf28b13eee92cf987cb6cd78bcae3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc1081bb482c0fc2331d102df6a39e1edf28b13eee92cf987cb6cd78bcae3c1", kill_on_drop: false }`
[INFO] [stdout] efc1081bb482c0fc2331d102df6a39e1edf28b13eee92cf987cb6cd78bcae3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a003e7eb2e132c32574444345350c0ce378dfbd3a6b5359338bc523c3bc92084
[INFO] running `Command { std: "docker" "start" "-a" "a003e7eb2e132c32574444345350c0ce378dfbd3a6b5359338bc523c3bc92084", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking signatory v0.18.1
[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking signatory-dalek v0.18.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking nkeys v0.0.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking nats-types v0.1.8
[INFO] [stderr]     Checking wascc-codec v0.8.1
[INFO] [stderr]     Checking natsclient v0.0.7
[INFO] [stderr]     Checking wascc-nats v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "a003e7eb2e132c32574444345350c0ce378dfbd3a6b5359338bc523c3bc92084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a003e7eb2e132c32574444345350c0ce378dfbd3a6b5359338bc523c3bc92084", kill_on_drop: false }`
[INFO] [stdout] a003e7eb2e132c32574444345350c0ce378dfbd3a6b5359338bc523c3bc92084