[INFO] cloning repository https://github.com/guo-yanpei/deNetwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guo-yanpei/deNetwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguo-yanpei%2FdeNetwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguo-yanpei%2FdeNetwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ff074ccb4e4861bbc033cd15f339169a917e8d2
[INFO] checking guo-yanpei/deNetwork against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguo-yanpei%2FdeNetwork" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/guo-yanpei/deNetwork
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/guo-yanpei/deNetwork
[INFO] tweaked toml for git repo https://github.com/guo-yanpei/deNetwork written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guo-yanpei/deNetwork on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/guo-yanpei/deNetwork 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a70e9a8bc0adbb3b310e6a2cbd7bf3c69ac6dc29984c511a964ae427aa755b5e
[INFO] running `Command { std: "docker" "start" "-a" "a70e9a8bc0adbb3b310e6a2cbd7bf3c69ac6dc29984c511a964ae427aa755b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70e9a8bc0adbb3b310e6a2cbd7bf3c69ac6dc29984c511a964ae427aa755b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70e9a8bc0adbb3b310e6a2cbd7bf3c69ac6dc29984c511a964ae427aa755b5e", kill_on_drop: false }`
[INFO] [stdout] a70e9a8bc0adbb3b310e6a2cbd7bf3c69ac6dc29984c511a964ae427aa755b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec9101db09a2886c98bf6bc2f5aef041f0d2b40df86c19163cc17378a4c2b81
[INFO] running `Command { std: "docker" "start" "-a" "8ec9101db09a2886c98bf6bc2f5aef041f0d2b40df86c19163cc17378a4c2b81", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.5.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ark-serialize v0.5.0
[INFO] [stderr]     Checking deNetwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro calls
[INFO] [stdout]   --> src/multi.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Select`
[INFO] [stdout]  --> src/multi.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam_channel::{Receiver, Select, Sender};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/multi.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     net::{TcpListener, TcpStream},
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/multi.rs:259:94
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut peer_buffers = vec![VecDeque::with_capacity(1024 * 1024 * 4); streams.len()];;
[INFO] [stdout]     |                                                                                              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro calls
[INFO] [stdout]   --> src/multi.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Select`
[INFO] [stdout]  --> src/multi.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossbeam_channel::{Receiver, Select, Sender};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/multi.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     net::{TcpListener, TcpStream},
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/multi.rs:259:94
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let mut peer_buffers = vec![VecDeque::with_capacity(1024 * 1024 * 4); streams.len()];;
[INFO] [stdout]     |                                                                                              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/multi.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut write_all_polite = |mut slice: &[u8]| {
[INFO] [stdout]     |                                 ----^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel_id`
[INFO] [stdout]   --> src/lib.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn set_channel_id(channel_id: usize) {}
[INFO] [stdout]    |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/multi.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Peer {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 45 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Peer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/multi.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut write_all_polite = |mut slice: &[u8]| {
[INFO] [stdout]     |                                 ----^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel_id`
[INFO] [stdout]   --> src/lib.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn set_channel_id(channel_id: usize) {}
[INFO] [stdout]    |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/multi.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Peer {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 45 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Peer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `deNetwork` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `de_network`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "8ec9101db09a2886c98bf6bc2f5aef041f0d2b40df86c19163cc17378a4c2b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec9101db09a2886c98bf6bc2f5aef041f0d2b40df86c19163cc17378a4c2b81", kill_on_drop: false }`
[INFO] [stdout] 8ec9101db09a2886c98bf6bc2f5aef041f0d2b40df86c19163cc17378a4c2b81
