[INFO] cloning repository https://github.com/tostbot/rust_vk_api_with_bullshit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tostbot/rust_vk_api_with_bullshit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostbot%2Frust_vk_api_with_bullshit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostbot%2Frust_vk_api_with_bullshit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dda027a55f6e8a1ec2d37c0a2b981c69b52c8cf8
[INFO] checking tostbot/rust_vk_api_with_bullshit against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostbot%2Frust_vk_api_with_bullshit" "/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/tostbot/rust_vk_api_with_bullshit on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tostbot/rust_vk_api_with_bullshit
[INFO] finished tweaking git repo https://github.com/tostbot/rust_vk_api_with_bullshit
[INFO] tweaked toml for git repo https://github.com/tostbot/rust_vk_api_with_bullshit written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tostbot/rust_vk_api_with_bullshit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 5b7d952c77e28faedeb965cc185f9081d4d3cb764953e6e1024b6c2aaee042ea
[INFO] running `Command { std: "docker" "start" "-a" "5b7d952c77e28faedeb965cc185f9081d4d3cb764953e6e1024b6c2aaee042ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7d952c77e28faedeb965cc185f9081d4d3cb764953e6e1024b6c2aaee042ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7d952c77e28faedeb965cc185f9081d4d3cb764953e6e1024b6c2aaee042ea", kill_on_drop: false }`
[INFO] [stdout] 5b7d952c77e28faedeb965cc185f9081d4d3cb764953e6e1024b6c2aaee042ea
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4d9beb2c4751a062480d36e0b6b6dcba1fdbe0014d44bfa906dd2460e823a6b
[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" "f4d9beb2c4751a062480d36e0b6b6dcba1fdbe0014d44bfa906dd2460e823a6b", kill_on_drop: false }`
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[INFO] [stderr]     Checking vk_api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `VkApiArg`, `VkApiType`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::api::api::{VkApiArg, VkApiType};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Num`
[INFO] [stdout]  --> src/api/api.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::Num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/api/api.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::IntoIterator`
[INFO] [stdout]  --> src/api/api.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VkApiArg`
[INFO] [stdout]  --> src/api/longpoll.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::api::{VkApi, VkApiArg, VkApiType};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::to_string`
[INFO] [stdout]  --> src/api/longpoll.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::to_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pts_str`
[INFO] [stdout]   --> src/api/longpoll.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let pts_str: String;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pts_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VkApiArg`, `VkApiType`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::api::api::{VkApiArg, VkApiType};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Num`
[INFO] [stdout]  --> src/api/api.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::Num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/api/api.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::IntoIterator`
[INFO] [stdout]  --> src/api/api.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VkApiArg`
[INFO] [stdout]  --> src/api/longpoll.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::api::{VkApi, VkApiArg, VkApiType};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::to_string`
[INFO] [stdout]  --> src/api/longpoll.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::to_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user_id`
[INFO] [stdout]  --> src/api/session.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     user_id: Option<u64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/api/session.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(token: String, user_id: Option<u64>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/api/api.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Float(f32),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/api/api.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FloatArray`
[INFO] [stdout]   --> src/api/api.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     FloatArray(Vec<f32>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StringArray`
[INFO] [stdout]   --> src/api/api.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     StringArray(Vec<String>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BoolArray`
[INFO] [stdout]   --> src/api/api.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     BoolArray(Vec<bool>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_connected`
[INFO] [stdout]   --> src/api/longpoll.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     is_connected: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> src/api/longpoll.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mode: LongpollMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/api/longpoll.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     longpoll.get_events().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pts_str`
[INFO] [stdout]   --> src/api/longpoll.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let pts_str: String;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pts_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user_id`
[INFO] [stdout]  --> src/api/session.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     user_id: Option<u64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/api/session.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(token: String, user_id: Option<u64>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/api/api.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Float(f32),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/api/api.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FloatArray`
[INFO] [stdout]   --> src/api/api.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     FloatArray(Vec<f32>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StringArray`
[INFO] [stdout]   --> src/api/api.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     StringArray(Vec<String>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BoolArray`
[INFO] [stdout]   --> src/api/api.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     BoolArray(Vec<bool>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_connected`
[INFO] [stdout]   --> src/api/longpoll.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     is_connected: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> src/api/longpoll.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mode: LongpollMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/api/longpoll.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     longpoll.get_events().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "f4d9beb2c4751a062480d36e0b6b6dcba1fdbe0014d44bfa906dd2460e823a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d9beb2c4751a062480d36e0b6b6dcba1fdbe0014d44bfa906dd2460e823a6b", kill_on_drop: false }`
[INFO] [stdout] f4d9beb2c4751a062480d36e0b6b6dcba1fdbe0014d44bfa906dd2460e823a6b