[INFO] cloning repository https://github.com/public-awesome/pulsar-ssd1306
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/public-awesome/pulsar-ssd1306" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpublic-awesome%2Fpulsar-ssd1306", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpublic-awesome%2Fpulsar-ssd1306'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8f8a1d3ac105779b660a2b2065444e25e69fc07
[INFO] testing public-awesome/pulsar-ssd1306 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpublic-awesome%2Fpulsar-ssd1306" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/public-awesome/pulsar-ssd1306 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 git repo https://github.com/public-awesome/pulsar-ssd1306
[INFO] finished tweaking git repo https://github.com/public-awesome/pulsar-ssd1306
[INFO] tweaked toml for git repo https://github.com/public-awesome/pulsar-ssd1306 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/public-awesome/pulsar-ssd1306 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 29c8df7c4f97ad3b64855ca070405a172fc82842fecef5ee86b9f4472ce0f063
[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" "29c8df7c4f97ad3b64855ca070405a172fc82842fecef5ee86b9f4472ce0f063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c8df7c4f97ad3b64855ca070405a172fc82842fecef5ee86b9f4472ce0f063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c8df7c4f97ad3b64855ca070405a172fc82842fecef5ee86b9f4472ce0f063", kill_on_drop: false }`
[INFO] [stdout] 29c8df7c4f97ad3b64855ca070405a172fc82842fecef5ee86b9f4472ce0f063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ba455520b188bf79238044332e4e20eb43c0c90ce5bda2245507ba0c4276b3ac
[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" "ba455520b188bf79238044332e4e20eb43c0c90ce5bda2245507ba0c4276b3ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling display-interface v0.4.0
[INFO] [stderr]    Compiling ssd1306 v0.4.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling openssl-src v111.12.0+1.1.1h
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling embedded-graphics v0.6.2
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling spidev v0.4.0
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling display-interface-spi v0.4.0
[INFO] [stderr]    Compiling display-interface-i2c v0.4.0
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.0
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling futures-util v0.3.7
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling pulsar-ssd1306 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         if let height = res["result"]["sync_info"]["latest_block_height"]
[INFO] [stdout] 48 | |             .as_str()
[INFO] [stdout] 49 | |             .unwrap()
[INFO] [stdout] 50 | |         {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             thread::sleep(one_sec);
[INFO] [stdout] 58 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 23s
[INFO] running `Command { std: "docker" "inspect" "ba455520b188bf79238044332e4e20eb43c0c90ce5bda2245507ba0c4276b3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba455520b188bf79238044332e4e20eb43c0c90ce5bda2245507ba0c4276b3ac", kill_on_drop: false }`
[INFO] [stdout] ba455520b188bf79238044332e4e20eb43c0c90ce5bda2245507ba0c4276b3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 183a77b8674730bd2222b3d9511bc4a203643e1898e1483704c7e77f1c7cd691
[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" "183a77b8674730bd2222b3d9511bc4a203643e1898e1483704c7e77f1c7cd691", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulsar-ssd1306 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         if let height = res["result"]["sync_info"]["latest_block_height"]
[INFO] [stdout] 48 | |             .as_str()
[INFO] [stdout] 49 | |             .unwrap()
[INFO] [stdout] 50 | |         {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             thread::sleep(one_sec);
[INFO] [stdout] 58 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "183a77b8674730bd2222b3d9511bc4a203643e1898e1483704c7e77f1c7cd691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183a77b8674730bd2222b3d9511bc4a203643e1898e1483704c7e77f1c7cd691", kill_on_drop: false }`
[INFO] [stdout] 183a77b8674730bd2222b3d9511bc4a203643e1898e1483704c7e77f1c7cd691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6c3947e8a48d30b3c93ab1e43efa0d5fd11e2f4f11c877de2bfca94a85d85357
[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" "6c3947e8a48d30b3c93ab1e43efa0d5fd11e2f4f11c877de2bfca94a85d85357", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 | /         if let height = res["result"]["sync_info"]["latest_block_height"]
[INFO] [stderr] 48 | |             .as_str()
[INFO] [stderr] 49 | |             .unwrap()
[INFO] [stderr] 50 | |         {
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |             thread::sleep(one_sec);
[INFO] [stderr] 58 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: `pulsar-ssd1306` (bin "pulsar-ssd1306" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pulsar_ssd1306-ae25e6578e3d4761)
[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" "6c3947e8a48d30b3c93ab1e43efa0d5fd11e2f4f11c877de2bfca94a85d85357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3947e8a48d30b3c93ab1e43efa0d5fd11e2f4f11c877de2bfca94a85d85357", kill_on_drop: false }`
[INFO] [stdout] 6c3947e8a48d30b3c93ab1e43efa0d5fd11e2f4f11c877de2bfca94a85d85357