[INFO] cloning repository https://github.com/mmalenic/simple-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmalenic/simple-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmalenic%2Fsimple-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmalenic%2Fsimple-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eb26bf1ccd329c0a32ea0cd5f3b724e4f25c86c
[INFO] testing mmalenic/simple-sync against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmalenic%2Fsimple-sync" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmalenic/simple-sync on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmalenic/simple-sync
[INFO] finished tweaking git repo https://github.com/mmalenic/simple-sync
[INFO] tweaked toml for git repo https://github.com/mmalenic/simple-sync written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bee0c9d5963bc662c41d73561301696e8854b3e6270dc72ec56e967c8539e51
[INFO] running `Command { std: "docker" "start" "-a" "6bee0c9d5963bc662c41d73561301696e8854b3e6270dc72ec56e967c8539e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bee0c9d5963bc662c41d73561301696e8854b3e6270dc72ec56e967c8539e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bee0c9d5963bc662c41d73561301696e8854b3e6270dc72ec56e967c8539e51", kill_on_drop: false }`
[INFO] [stdout] 6bee0c9d5963bc662c41d73561301696e8854b3e6270dc72ec56e967c8539e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eeab57a21809c3149ad6a6c5080fa4aa17f16a1af51dd4da04b6ca694a87bba
[INFO] running `Command { std: "docker" "start" "-a" "1eeab57a21809c3149ad6a6c5080fa4aa17f16a1af51dd4da04b6ca694a87bba", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pnet_base v0.27.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling pnet_sys v0.27.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling derive-serialize-into v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]    Compiling ipnetwork v0.17.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling pnet_datalink v0.27.2
[INFO] [stderr]    Compiling pnet_transport v0.27.2
[INFO] [stderr]    Compiling simple-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `itertools`
[INFO] [stdout]  --> src/broadcast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::{Either, Itertools};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `itertools`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
[INFO] [stdout]  --> src/broadcast.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]   |                        ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::datalink::interfaces`
[INFO] [stdout]  --> src/broadcast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pnet::datalink::interfaces;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnet::ipnetwork::IpNetwork`
[INFO] [stdout]  --> src/broadcast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnet::ipnetwork::IpNetwork;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-sync` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1eeab57a21809c3149ad6a6c5080fa4aa17f16a1af51dd4da04b6ca694a87bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eeab57a21809c3149ad6a6c5080fa4aa17f16a1af51dd4da04b6ca694a87bba", kill_on_drop: false }`
[INFO] [stdout] 1eeab57a21809c3149ad6a6c5080fa4aa17f16a1af51dd4da04b6ca694a87bba