[INFO] cloning repository https://github.com/swarnimarun/ferr-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swarnimarun/ferr-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswarnimarun%2Fferr-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswarnimarun%2Fferr-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e73db16f5af3d84f447ce132cf1791742f8ba974
[INFO] checking swarnimarun/ferr-bot against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswarnimarun%2Fferr-bot" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swarnimarun/ferr-bot on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swarnimarun/ferr-bot
[INFO] finished tweaking git repo https://github.com/swarnimarun/ferr-bot
[INFO] tweaked toml for git repo https://github.com/swarnimarun/ferr-bot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/swarnimarun/ferr-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb93d4003b22bee90dc7db2ce9a1a48348d12b9b6adbca35d2721463e86d2de0
[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" "bb93d4003b22bee90dc7db2ce9a1a48348d12b9b6adbca35d2721463e86d2de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb93d4003b22bee90dc7db2ce9a1a48348d12b9b6adbca35d2721463e86d2de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb93d4003b22bee90dc7db2ce9a1a48348d12b9b6adbca35d2721463e86d2de0", kill_on_drop: false }`
[INFO] [stdout] bb93d4003b22bee90dc7db2ce9a1a48348d12b9b6adbca35d2721463e86d2de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 473b2f398068940bd428597a643ce94c4a06fb3156d2f6a8b6a6b467ce221043
[INFO] running `Command { std: "docker" "start" "-a" "473b2f398068940bd428597a643ce94c4a06fb3156d2f6a8b6a6b467ce221043", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking telegram-bot-raw v0.6.3
[INFO] [stderr]     Checking telegram-bot v0.6.3
[INFO] [stderr]     Checking ferr-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]  --> src/updates/messages/message_handler.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn handle_text_messages<'a>(user : &User, message_data : &str) -> &'a str {
[INFO] [stdout]   |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_image_messages`
[INFO] [stdout]   --> src/updates/messages/message_handler.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn handle_image_messages<'a>() -> &'a str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]  --> src/updates/messages/message_handler.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn handle_text_messages<'a>(user : &User, message_data : &str) -> &'a str {
[INFO] [stdout]   |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_image_messages`
[INFO] [stdout]   --> src/updates/messages/message_handler.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn handle_image_messages<'a>() -> &'a str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.58s
[INFO] running `Command { std: "docker" "inspect" "473b2f398068940bd428597a643ce94c4a06fb3156d2f6a8b6a6b467ce221043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473b2f398068940bd428597a643ce94c4a06fb3156d2f6a8b6a6b467ce221043", kill_on_drop: false }`
[INFO] [stdout] 473b2f398068940bd428597a643ce94c4a06fb3156d2f6a8b6a6b467ce221043