[INFO] fetching crate liverust_lib 0.1.3...
[INFO] checking liverust_lib-0.1.3 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate liverust_lib 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate liverust_lib 0.1.3 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liverust_lib 0.1.3
[INFO] finished tweaking crates.io crate liverust_lib 0.1.3
[INFO] tweaked toml for crates.io crate liverust_lib 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a0c11f79800a1cff334ebad308ccc38a6450870fbd48b4b61dca427b25d77a
[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" "95a0c11f79800a1cff334ebad308ccc38a6450870fbd48b4b61dca427b25d77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a0c11f79800a1cff334ebad308ccc38a6450870fbd48b4b61dca427b25d77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a0c11f79800a1cff334ebad308ccc38a6450870fbd48b4b61dca427b25d77a", kill_on_drop: false }`
[INFO] [stdout] 95a0c11f79800a1cff334ebad308ccc38a6450870fbd48b4b61dca427b25d77a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 818f45f9892ea833e49311d6e23020c2f0131b5ace4babdb1ecdb018ca4f7097
[INFO] running `Command { std: "docker" "start" "-a" "818f45f9892ea833e49311d6e23020c2f0131b5ace4babdb1ecdb018ca4f7097", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking liverust_lib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BigEndian`, `LittleEndian`, `WriteBytesExt`
[INFO] [stdout]  --> src/netio/reader.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ByteOrder, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^             ^^^^^^^^^^^^                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/netio/reader.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Cursor, Write};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LittleEndian`, `ReadBytesExt`
[INFO] [stdout]  --> src/netio/writer.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ByteOrder, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> src/netio/writer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `LittleEndian`, `WriteBytesExt`
[INFO] [stdout]  --> src/netio/reader.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ByteOrder, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^             ^^^^^^^^^^^^                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/netio/reader.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Cursor, Write};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LittleEndian`, `ReadBytesExt`
[INFO] [stdout]  --> src/netio/writer.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ByteOrder, LittleEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> src/netio/writer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.54s
[INFO] running `Command { std: "docker" "inspect" "818f45f9892ea833e49311d6e23020c2f0131b5ace4babdb1ecdb018ca4f7097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818f45f9892ea833e49311d6e23020c2f0131b5ace4babdb1ecdb018ca4f7097", kill_on_drop: false }`
[INFO] [stdout] 818f45f9892ea833e49311d6e23020c2f0131b5ace4babdb1ecdb018ca4f7097