[INFO] fetching crate velocystream 0.1.0...
[INFO] checking velocystream-0.1.0 against beta for pr-78714
[INFO] extracting crate velocystream 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate velocystream 0.1.0 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 crates.io crate velocystream 0.1.0
[INFO] finished tweaking crates.io crate velocystream 0.1.0
[INFO] tweaked toml for crates.io crate velocystream 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 41d672934089a4809c5dd46e0644e8ae38311b6474dd0f38d14211ea6baf9391
[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" "41d672934089a4809c5dd46e0644e8ae38311b6474dd0f38d14211ea6baf9391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d672934089a4809c5dd46e0644e8ae38311b6474dd0f38d14211ea6baf9391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d672934089a4809c5dd46e0644e8ae38311b6474dd0f38d14211ea6baf9391", kill_on_drop: false }`
[INFO] [stdout] 41d672934089a4809c5dd46e0644e8ae38311b6474dd0f38d14211ea6baf9391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] c95701654e0e6fa13a59fe02c2f0e60346f7041cbe13e2f45b38e6980e832efd
[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" "c95701654e0e6fa13a59fe02c2f0e60346f7041cbe13e2f45b38e6980e832efd", kill_on_drop: false }`
[INFO] [stderr]     Checking velocypack v0.1.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking velocystream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `LittleEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stdout]  --> src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{ReadBytesExt, WriteBytesExt, BigEndian, LittleEndian};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `LittleEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stdout]  --> src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{ReadBytesExt, WriteBytesExt, BigEndian, LittleEndian};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chunk_number`
[INFO] [stdout]   --> src/lib.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn get_chunk_number(&self) -> u32 {
[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: `get_chunk`
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_chunk(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_chunk`
[INFO] [stdout]    --> src/lib.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn is_first_chunk(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chunk_number`
[INFO] [stdout]   --> src/lib.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn get_chunk_number(&self) -> u32 {
[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: `get_chunk`
[INFO] [stdout]   --> src/lib.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_chunk(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_first_chunk`
[INFO] [stdout]    --> src/lib.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn is_first_chunk(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "c95701654e0e6fa13a59fe02c2f0e60346f7041cbe13e2f45b38e6980e832efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95701654e0e6fa13a59fe02c2f0e60346f7041cbe13e2f45b38e6980e832efd", kill_on_drop: false }`
[INFO] [stdout] c95701654e0e6fa13a59fe02c2f0e60346f7041cbe13e2f45b38e6980e832efd