[INFO] fetching crate liverust_lib 0.1.23...
[INFO] checking liverust_lib-0.1.23 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate liverust_lib 0.1.23 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate liverust_lib 0.1.23 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.7.1)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v1.0.2)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.40.0)
[INFO] [stderr]       Adding tokio-util v0.3.1 (latest: v0.7.11)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 202cde8afa46618c85b9b1b8b509f480c327280e3f67c155d4dc149fc89cb962
[INFO] running `Command { std: "docker" "start" "-a" "202cde8afa46618c85b9b1b8b509f480c327280e3f67c155d4dc149fc89cb962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "202cde8afa46618c85b9b1b8b509f480c327280e3f67c155d4dc149fc89cb962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202cde8afa46618c85b9b1b8b509f480c327280e3f67c155d4dc149fc89cb962", kill_on_drop: false }`
[INFO] [stdout] 202cde8afa46618c85b9b1b8b509f480c327280e3f67c155d4dc149fc89cb962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ca6c194c711cf9e25aa178db8dd443ccc96a58d4e020cc34db52cacfe73f1c7
[INFO] running `Command { std: "docker" "start" "-a" "9ca6c194c711cf9e25aa178db8dd443ccc96a58d4e020cc34db52cacfe73f1c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking 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`, and `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` and `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` and `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: 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`, and `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` and `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` and `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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.23s
[INFO] running `Command { std: "docker" "inspect" "9ca6c194c711cf9e25aa178db8dd443ccc96a58d4e020cc34db52cacfe73f1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca6c194c711cf9e25aa178db8dd443ccc96a58d4e020cc34db52cacfe73f1c7", kill_on_drop: false }`
[INFO] [stdout] 9ca6c194c711cf9e25aa178db8dd443ccc96a58d4e020cc34db52cacfe73f1c7