[INFO] fetching crate liverust_lib 0.1.23...
[INFO] testing liverust_lib-0.1.23 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate liverust_lib 0.1.23 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liverust_lib 0.1.23 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liverust_lib 0.1.23
[INFO] finished tweaking crates.io crate liverust_lib 0.1.23
[INFO] tweaked toml for crates.io crate liverust_lib 0.1.23 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d67e7c7d1e538919b7a7f2ad49000d36b6c71d0445ce49e7eaa9241314dc1be
[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" "4d67e7c7d1e538919b7a7f2ad49000d36b6c71d0445ce49e7eaa9241314dc1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d67e7c7d1e538919b7a7f2ad49000d36b6c71d0445ce49e7eaa9241314dc1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d67e7c7d1e538919b7a7f2ad49000d36b6c71d0445ce49e7eaa9241314dc1be", kill_on_drop: false }`
[INFO] [stdout] 4d67e7c7d1e538919b7a7f2ad49000d36b6c71d0445ce49e7eaa9241314dc1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da1e23dab73bd1acfc247cd597b862bdb4528147d73900e43e4b65c7c543abe
[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" "4da1e23dab73bd1acfc247cd597b862bdb4528147d73900e43e4b65c7c543abe", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling liverust_lib v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `prelude::*`, `stream::StreamExt`, `time::timeout`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{prelude::*, stream::StreamExt, time::timeout};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_util::codec::BytesCodec`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio_util::codec::BytesCodec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_util::codec::Framed`
[INFO] [stdout]   --> src/netio/bytes_reader.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio_util::codec::Framed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NetIOErrorValue`
[INFO] [stdout]  --> src/netio/bytes_errors.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::netio_errors::{NetIOError,NetIOErrorValue};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::bytes_reader::BytesReader`
[INFO] [stdout]  --> src/netio/netio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::bytes_reader::BytesReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::bytes_writer::BytesWriter`
[INFO] [stdout]  --> src/netio/netio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::bytes_writer::BytesWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteOrder`, `ReadBytesExt`
[INFO] [stdout]  --> src/netio/netio.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{ByteOrder, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/netio/netio.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryInto`, `io`
[INFO] [stdout]   --> src/netio/netio.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{convert::TryInto, io};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "4da1e23dab73bd1acfc247cd597b862bdb4528147d73900e43e4b65c7c543abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da1e23dab73bd1acfc247cd597b862bdb4528147d73900e43e4b65c7c543abe", kill_on_drop: false }`
[INFO] [stdout] 4da1e23dab73bd1acfc247cd597b862bdb4528147d73900e43e4b65c7c543abe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfff1303176f90c77913f9d631a19fa707759e907d2d44df081600d308cd889e
[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" "cfff1303176f90c77913f9d631a19fa707759e907d2d44df081600d308cd889e", kill_on_drop: false }`
[INFO] [stderr]    Compiling liverust_lib v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `prelude::*`, `stream::StreamExt`, `time::timeout`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{prelude::*, stream::StreamExt, time::timeout};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_util::codec::BytesCodec`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio_util::codec::BytesCodec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_util::codec::Framed`
[INFO] [stdout]   --> src/netio/bytes_reader.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio_util::codec::Framed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NetIOErrorValue`
[INFO] [stdout]  --> src/netio/bytes_errors.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::netio_errors::{NetIOError,NetIOErrorValue};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::bytes_reader::BytesReader`
[INFO] [stdout]  --> src/netio/netio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::bytes_reader::BytesReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::bytes_writer::BytesWriter`
[INFO] [stdout]  --> src/netio/netio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::bytes_writer::BytesWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteOrder`, `ReadBytesExt`
[INFO] [stdout]  --> src/netio/netio.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{ByteOrder, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/netio/netio.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryInto`, `io`
[INFO] [stdout]   --> src/netio/netio.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{convert::TryInto, io};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `prelude::*`, `stream::StreamExt`, `time::timeout`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{prelude::*, stream::StreamExt, time::timeout};
[INFO] [stdout]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_util::codec::BytesCodec`
[INFO] [stdout]  --> src/netio/bytes_reader.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio_util::codec::BytesCodec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_util::codec::Framed`
[INFO] [stdout]   --> src/netio/bytes_reader.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio_util::codec::Framed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NetIOErrorValue`
[INFO] [stdout]  --> src/netio/bytes_errors.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::netio_errors::{NetIOError,NetIOErrorValue};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::bytes_reader::BytesReader`
[INFO] [stdout]  --> src/netio/netio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::bytes_reader::BytesReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::bytes_writer::BytesWriter`
[INFO] [stdout]  --> src/netio/netio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::bytes_writer::BytesWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteOrder`, `ReadBytesExt`
[INFO] [stdout]  --> src/netio/netio.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{ByteOrder, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/netio/netio.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryInto`, `io`
[INFO] [stdout]   --> src/netio/netio.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{convert::TryInto, io};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "cfff1303176f90c77913f9d631a19fa707759e907d2d44df081600d308cd889e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfff1303176f90c77913f9d631a19fa707759e907d2d44df081600d308cd889e", kill_on_drop: false }`
[INFO] [stdout] cfff1303176f90c77913f9d631a19fa707759e907d2d44df081600d308cd889e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14e22819079d2d3a968ca88ca9a9c47cc11176ebbf7a933fff48d5bbdf1bedae
[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" "14e22819079d2d3a968ca88ca9a9c47cc11176ebbf7a933fff48d5bbdf1bedae", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/netio/bytes_reader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/netio/bytes_reader.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `prelude::*`, `stream::StreamExt`, `time::timeout`
[INFO] [stderr]  --> src/netio/bytes_reader.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::{prelude::*, stream::StreamExt, time::timeout};
[INFO] [stderr]   |             ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_util::codec::BytesCodec`
[INFO] [stderr]  --> src/netio/bytes_reader.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio_util::codec::BytesCodec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_util::codec::Framed`
[INFO] [stderr]   --> src/netio/bytes_reader.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio_util::codec::Framed;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NetIOErrorValue`
[INFO] [stderr]  --> src/netio/bytes_errors.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::netio_errors::{NetIOError,NetIOErrorValue};
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::bytes_reader::BytesReader`
[INFO] [stderr]  --> src/netio/netio.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::bytes_reader::BytesReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::bytes_writer::BytesWriter`
[INFO] [stderr]  --> src/netio/netio.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::bytes_writer::BytesWriter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ByteOrder`, `ReadBytesExt`
[INFO] [stderr]  --> src/netio/netio.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use byteorder::{ByteOrder, ReadBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> src/netio/netio.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `convert::TryInto`, `io`
[INFO] [stderr]   --> src/netio/netio.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::{convert::TryInto, io};
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `liverust_lib` (lib) generated 11 warnings
[INFO] [stderr] warning: `liverust_lib` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liverust_lib-2d4f0fa9662bd1fd)
[INFO] [stderr]    Doc-tests liverust_lib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14e22819079d2d3a968ca88ca9a9c47cc11176ebbf7a933fff48d5bbdf1bedae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e22819079d2d3a968ca88ca9a9c47cc11176ebbf7a933fff48d5bbdf1bedae", kill_on_drop: false }`
[INFO] [stdout] 14e22819079d2d3a968ca88ca9a9c47cc11176ebbf7a933fff48d5bbdf1bedae