[INFO] fetching crate latticeclient 0.4.0...
[INFO] testing latticeclient-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate latticeclient 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate latticeclient 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate latticeclient 0.4.0
[INFO] finished tweaking crates.io crate latticeclient 0.4.0
[INFO] tweaked toml for crates.io crate latticeclient 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate latticeclient 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d10b58b324dbf31eb964528aa2df3d68152cd79082fbb35cddb8d8d87783c17
[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" "8d10b58b324dbf31eb964528aa2df3d68152cd79082fbb35cddb8d8d87783c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d10b58b324dbf31eb964528aa2df3d68152cd79082fbb35cddb8d8d87783c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d10b58b324dbf31eb964528aa2df3d68152cd79082fbb35cddb8d8d87783c17", kill_on_drop: false }`
[INFO] [stdout] 8d10b58b324dbf31eb964528aa2df3d68152cd79082fbb35cddb8d8d87783c17
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f8799550b627e013e36a7b8397113309923e1fc1ee15fd04b4f941eef9cba8
[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" "18f8799550b627e013e36a7b8397113309923e1fc1ee15fd04b4f941eef9cba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]    Compiling parity-wasm v0.42.1
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling base64-url v1.4.7
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling futures-lite v1.11.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling nuid v0.2.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling signatory v0.21.0
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling polling v1.1.0
[INFO] [stderr]    Compiling rustls v0.18.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling nkeys v0.0.11
[INFO] [stderr]    Compiling async-io v1.1.0
[INFO] [stderr]    Compiling wascc-codec v0.8.0
[INFO] [stderr]    Compiling chrono-humanize v0.1.1
[INFO] [stderr]    Compiling async-net v1.4.7
[INFO] [stderr]    Compiling wascap v0.5.1
[INFO] [stderr]    Compiling async-rustls v0.1.1
[INFO] [stderr]    Compiling nats v0.8.1
[INFO] [stderr]    Compiling latticeclient v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `gen_terminate_provider_subject`
[INFO] [stdout]    --> src/controlplane.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) fn gen_terminate_provider_subject(&self, host: &str) -> String {
[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 55.51s
[INFO] running `Command { std: "docker" "inspect" "18f8799550b627e013e36a7b8397113309923e1fc1ee15fd04b4f941eef9cba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f8799550b627e013e36a7b8397113309923e1fc1ee15fd04b4f941eef9cba8", kill_on_drop: false }`
[INFO] [stdout] 18f8799550b627e013e36a7b8397113309923e1fc1ee15fd04b4f941eef9cba8
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 30cd505221a6d24a4532b678ed6b19a3e62e2358d0108d15249d61b91a6bd026
[INFO] running `Command { std: "docker" "start" "-a" "30cd505221a6d24a4532b678ed6b19a3e62e2358d0108d15249d61b91a6bd026", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `gen_terminate_provider_subject`
[INFO] [stdout]    --> src/controlplane.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) fn gen_terminate_provider_subject(&self, host: &str) -> String {
[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]    Compiling latticeclient v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `gen_terminate_provider_subject`
[INFO] [stdout]    --> src/controlplane.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) fn gen_terminate_provider_subject(&self, host: &str) -> String {
[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 test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "30cd505221a6d24a4532b678ed6b19a3e62e2358d0108d15249d61b91a6bd026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cd505221a6d24a4532b678ed6b19a3e62e2358d0108d15249d61b91a6bd026", kill_on_drop: false }`
[INFO] [stdout] 30cd505221a6d24a4532b678ed6b19a3e62e2358d0108d15249d61b91a6bd026
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83b517125c820ed0d6cda34ffc158dbc53efa4f5fc2214986fb00413329e014f
[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" "83b517125c820ed0d6cda34ffc158dbc53efa4f5fc2214986fb00413329e014f", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `gen_terminate_provider_subject`
[INFO] [stderr]    --> src/controlplane.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub(crate) fn gen_terminate_provider_subject(&self, host: &str) -> String {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `latticeclient` (lib) generated 1 warning
[INFO] [stderr] warning: `latticeclient` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/latticeclient-88d91f3b91e7d3fe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/latticectl-b73c81d61f7a7881)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests latticeclient
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83b517125c820ed0d6cda34ffc158dbc53efa4f5fc2214986fb00413329e014f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b517125c820ed0d6cda34ffc158dbc53efa4f5fc2214986fb00413329e014f", kill_on_drop: false }`
[INFO] [stdout] 83b517125c820ed0d6cda34ffc158dbc53efa4f5fc2214986fb00413329e014f