[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#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-client" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonkgrimes/juno-client on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-udp v0.1.1
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded tokio-reactor v0.1.2
[INFO] [stderr]   Downloaded tokio-executor v0.1.2
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.5
[INFO] [stderr]   Downloaded lazy_static v1.0.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.1
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.9
[INFO] [stderr]   Downloaded http v0.1.8
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded quote v0.6.4
[INFO] [stderr]   Downloaded h2 v0.1.11
[INFO] [stderr]   Downloaded syn v0.14.6
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded tokio-fs v0.1.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.70
[INFO] [stderr]   Downloaded hyper v0.12.7
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded serde_derive v1.0.70
[INFO] [stderr]   Downloaded crossbeam-utils v0.3.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.4
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded tokio-io v0.1.7
[INFO] [stderr]   Downloaded tokio v0.1.7
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5839e8de19085bc6babad5100ece691c31de6bb7f47dace9b3d6c719dbd2bfe
[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" "b5839e8de19085bc6babad5100ece691c31de6bb7f47dace9b3d6c719dbd2bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5839e8de19085bc6babad5100ece691c31de6bb7f47dace9b3d6c719dbd2bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5839e8de19085bc6babad5100ece691c31de6bb7f47dace9b3d6c719dbd2bfe", kill_on_drop: false }`
[INFO] [stdout] b5839e8de19085bc6babad5100ece691c31de6bb7f47dace9b3d6c719dbd2bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72684fce33378b657b1e6639a0a235ce94c9d71c7fa7ba53024f7d9bfda41c29
[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" "72684fce33378b657b1e6639a0a235ce94c9d71c7fa7ba53024f7d9bfda41c29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.8
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[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 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 30.16s
[INFO] running `Command { std: "docker" "inspect" "72684fce33378b657b1e6639a0a235ce94c9d71c7fa7ba53024f7d9bfda41c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72684fce33378b657b1e6639a0a235ce94c9d71c7fa7ba53024f7d9bfda41c29", kill_on_drop: false }`
[INFO] [stdout] 72684fce33378b657b1e6639a0a235ce94c9d71c7fa7ba53024f7d9bfda41c29