[INFO] cloning repository https://github.com/ledyba/cidr-chef
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ledyba/cidr-chef" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fledyba%2Fcidr-chef", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fledyba%2Fcidr-chef'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c47912510cf8fb6b9b94e682066816d413542883
[INFO] checking ledyba/cidr-chef against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fledyba%2Fcidr-chef" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ledyba/cidr-chef on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ledyba/cidr-chef
[INFO] finished tweaking git repo https://github.com/ledyba/cidr-chef
[INFO] tweaked toml for git repo https://github.com/ledyba/cidr-chef written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ledyba/cidr-chef already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", 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] d5955ea7fa451d1a05afd87de9b274b3b0881b5f81cd2e00922673649e1e88cd
[INFO] running `Command { std: "docker" "start" "-a" "d5955ea7fa451d1a05afd87de9b274b3b0881b5f81cd2e00922673649e1e88cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5955ea7fa451d1a05afd87de9b274b3b0881b5f81cd2e00922673649e1e88cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5955ea7fa451d1a05afd87de9b274b3b0881b5f81cd2e00922673649e1e88cd", kill_on_drop: false }`
[INFO] [stdout] d5955ea7fa451d1a05afd87de9b274b3b0881b5f81cd2e00922673649e1e88cd
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] 6c2068dd765004fabbc51c26ced74ca2352aea108b263c574fda87da68888edd
[INFO] running `Command { std: "docker" "start" "-a" "6c2068dd765004fabbc51c26ced74ca2352aea108b263c574fda87da68888edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking cidr-chef v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cidr::Cidr`
[INFO] [stdout]   --> src/cmds/info.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::cidr::Cidr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cidr::tree::IpTree`
[INFO] [stdout]   --> src/cmds/info.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::cidr::tree::IpTree;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cidr::Cidr`
[INFO] [stdout]   --> src/cmds/info.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::cidr::Cidr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cidr::tree::IpTree`
[INFO] [stdout]   --> src/cmds/info.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::cidr::tree::IpTree;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trans`
[INFO] [stdout]   --> src/cmds/info.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let trans = |mut addrs: HashSet<String>, item: Result<std::string::String, _>| -> io::Result<HashSet<String>> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_trans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/cmds/info.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |   for addr in addrs {
[INFO] [stdout]    |       ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trans`
[INFO] [stdout]   --> src/cmds/info.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let trans = |mut addrs: HashSet<String>, item: Result<std::string::String, _>| -> io::Result<HashSet<String>> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_trans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/cmds/info.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |   for addr in addrs {
[INFO] [stdout]    |       ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cmds/info.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 |   let mut tree4 = cidr::tree::IpTree::<()>::new();
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cmds/info.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 |   let mut tree6 = cidr::tree::IpTree::<()>::new();
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cmds/info.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 |   let mut tree4 = cidr::tree::IpTree::<()>::new();
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cmds/info.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 |   let mut tree6 = cidr::tree::IpTree::<()>::new();
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "6c2068dd765004fabbc51c26ced74ca2352aea108b263c574fda87da68888edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2068dd765004fabbc51c26ced74ca2352aea108b263c574fda87da68888edd", kill_on_drop: false }`
[INFO] [stdout] 6c2068dd765004fabbc51c26ced74ca2352aea108b263c574fda87da68888edd