[INFO] cloning repository https://github.com/yaozijian/mqttlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaozijian/mqttlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d208dd74a9fa528c52a550f21d5124a015cc76b
[INFO] checking yaozijian/mqttlib against master#d255c6a57c393db6221b1ff700daea478436f1cd for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaozijian/mqttlib on toolchain d255c6a57c393db6221b1ff700daea478436f1cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] finished tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] tweaked toml for git repo https://github.com/yaozijian/mqttlib written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yaozijian/mqttlib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a376b697c1e94ab5e2a2e8f727a667ae4f3c297e2729cdbc7fcb19dda72f0133
[INFO] running `Command { std: "docker" "start" "-a" "a376b697c1e94ab5e2a2e8f727a667ae4f3c297e2729cdbc7fcb19dda72f0133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a376b697c1e94ab5e2a2e8f727a667ae4f3c297e2729cdbc7fcb19dda72f0133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a376b697c1e94ab5e2a2e8f727a667ae4f3c297e2729cdbc7fcb19dda72f0133", kill_on_drop: false }`
[INFO] [stdout] a376b697c1e94ab5e2a2e8f727a667ae4f3c297e2729cdbc7fcb19dda72f0133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9064ef7af60b97df97c3eaa2037e113550c03f1324d8488b05bb2f1a69654fdc
[INFO] running `Command { std: "docker" "start" "-a" "9064ef7af60b97df97c3eaa2037e113550c03f1324d8488b05bb2f1a69654fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]     Checking mqttlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde;
[INFO] [stdout]   |     ^^^^^ the item `serde` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/head.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/raw_packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/pkt_connect.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/pkt_connack.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/mqtt_packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde;
[INFO] [stdout]   |     ^^^^^ the item `serde` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/head.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/raw_packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/pkt_connect.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/pkt_connack.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/mqtt_packet.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/tests/head.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/tests/raw_packet.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/tests/pkt_connect.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]  --> src/tests/pkt_connack.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bincode;
[INFO] [stdout]   |     ^^^^^^^ the item `bincode` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 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 2.43s
[INFO] running `Command { std: "docker" "inspect" "9064ef7af60b97df97c3eaa2037e113550c03f1324d8488b05bb2f1a69654fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9064ef7af60b97df97c3eaa2037e113550c03f1324d8488b05bb2f1a69654fdc", kill_on_drop: false }`
[INFO] [stdout] 9064ef7af60b97df97c3eaa2037e113550c03f1324d8488b05bb2f1a69654fdc
[INFO] checking yaozijian/mqttlib against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaozijian/mqttlib on toolchain 1f7553361c08f8eafdc645e09215667278ab86f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] finished tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] tweaked toml for git repo https://github.com/yaozijian/mqttlib written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yaozijian/mqttlib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7553361c08f8eafdc645e09215667278ab86f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking yaozijian/mqttlib against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: unable to write new index file
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking yaozijian/mqttlib against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: unable to write new index file
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking yaozijian/mqttlib against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/utils.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking yaozijian/mqttlib against try#1f7553361c08f8eafdc645e09215667278ab86f4 for pr-122317
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/utils.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/yaozijian/mqttlib
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.