[INFO] cloning repository https://github.com/jonkgrimes/juno-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonkgrimes/juno-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03ed8dba1b398c2f01aefc05e7c85682866ab5ab [INFO] checking jonkgrimes/juno-client against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-client" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonkgrimes/juno-client on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonkgrimes/juno-client [INFO] finished tweaking git repo https://github.com/jonkgrimes/juno-client [INFO] tweaked toml for git repo https://github.com/jonkgrimes/juno-client written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/jonkgrimes/juno-client already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded want v0.0.6 [INFO] [stderr] Downloaded hyper v0.12.7 [INFO] [stderr] Downloaded serde_derive v1.0.70 [INFO] [stderr] Downloaded syn v0.14.6 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 0442948fb2b4689b05d466784840eab01cf7e67c914ab12ac42d0597e31161e6 [INFO] running `Command { std: "docker" "start" "-a" "0442948fb2b4689b05d466784840eab01cf7e67c914ab12ac42d0597e31161e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0442948fb2b4689b05d466784840eab01cf7e67c914ab12ac42d0597e31161e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0442948fb2b4689b05d466784840eab01cf7e67c914ab12ac42d0597e31161e6", kill_on_drop: false }` [INFO] [stdout] 0442948fb2b4689b05d466784840eab01cf7e67c914ab12ac42d0597e31161e6 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8770c83851195139da34885aeba1f150f1b0dbc459063915f75c93c6f9053647 [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" "8770c83851195139da34885aeba1f150f1b0dbc459063915f75c93c6f9053647", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking string v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Compiling syn v0.14.6 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking http v0.1.8 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking tokio-threadpool v0.1.5 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking h2 v0.1.11 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Checking serde_json v1.0.24 [INFO] [stderr] Checking toml v0.4.8 [INFO] [stderr] Checking hyper v0.12.7 [INFO] [stderr] Checking juno_client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:68:3 [INFO] [stdout] | [INFO] [stdout] 38 | / loop { [INFO] [stdout] 39 | | // Setup data [INFO] [stdout] 40 | | let metric = MetricData::fake(uuid); [INFO] [stdout] 41 | | [INFO] [stdout] ... | [INFO] [stdout] 64 | | thread::sleep(Duration::new(3, 0)); [INFO] [stdout] 65 | | } [INFO] [stdout] | |___- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 68 | runtime.shutdown_on_idle().wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:68:3 [INFO] [stdout] | [INFO] [stdout] 38 | / loop { [INFO] [stdout] 39 | | // Setup data [INFO] [stdout] 40 | | let metric = MetricData::fake(uuid); [INFO] [stdout] 41 | | [INFO] [stdout] ... | [INFO] [stdout] 64 | | thread::sleep(Duration::new(3, 0)); [INFO] [stdout] 65 | | } [INFO] [stdout] | |___- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 68 | runtime.shutdown_on_idle().wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.04s [INFO] running `Command { std: "docker" "inspect" "8770c83851195139da34885aeba1f150f1b0dbc459063915f75c93c6f9053647", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8770c83851195139da34885aeba1f150f1b0dbc459063915f75c93c6f9053647", kill_on_drop: false }` [INFO] [stdout] 8770c83851195139da34885aeba1f150f1b0dbc459063915f75c93c6f9053647