[INFO] fetching crate lark_bot 0.0.2...
[INFO] checking lark_bot-0.0.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate lark_bot 0.0.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate lark_bot 0.0.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lark_bot 0.0.2
[INFO] finished tweaking crates.io crate lark_bot 0.0.2
[INFO] tweaked toml for crates.io crate lark_bot 0.0.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c714b4e9642bee3918eeab807c42215b48408661ca56728d4f4c8b28b73de5f
[INFO] running `Command { std: "docker" "start" "-a" "2c714b4e9642bee3918eeab807c42215b48408661ca56728d4f4c8b28b73de5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c714b4e9642bee3918eeab807c42215b48408661ca56728d4f4c8b28b73de5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c714b4e9642bee3918eeab807c42215b48408661ca56728d4f4c8b28b73de5f", kill_on_drop: false }`
[INFO] [stdout] 2c714b4e9642bee3918eeab807c42215b48408661ca56728d4f4c8b28b73de5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6886a371927370a8dd4b79706763cced3f225197704a73ad4152a22f6c8b9d97
[INFO] running `Command { std: "docker" "start" "-a" "6886a371927370a8dd4b79706763cced3f225197704a73ad4152a22f6c8b9d97", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking try-lock v0.2.3
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[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking encoding_rs v0.8.29
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking lark_bot v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `send_message::send_message`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use send_message::send_message;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]  --> src/send_message.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{json};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `send_message::send_message`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use send_message::send_message;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]  --> src/send_message.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{json};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `message::ChatIdentity`
[INFO] [stdout]   --> src/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use message::ChatIdentity;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `send_message`
[INFO] [stdout]   --> src/send_message.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub async fn send_message(access_token: String, message: SendableMessage) -> Result<Response, Error> {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.13s
[INFO] running `Command { std: "docker" "inspect" "6886a371927370a8dd4b79706763cced3f225197704a73ad4152a22f6c8b9d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6886a371927370a8dd4b79706763cced3f225197704a73ad4152a22f6c8b9d97", kill_on_drop: false }`
[INFO] [stdout] 6886a371927370a8dd4b79706763cced3f225197704a73ad4152a22f6c8b9d97