[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 1.95.0 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guo-yanpei/deNetwork on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0952e50730e7e6668b8fe98ee6960f7229feb711ec8841c78bb0709ad5b23eab
[INFO] running `Command { std: "docker" "start" "-a" "0952e50730e7e6668b8fe98ee6960f7229feb711ec8841c78bb0709ad5b23eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0952e50730e7e6668b8fe98ee6960f7229feb711ec8841c78bb0709ad5b23eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0952e50730e7e6668b8fe98ee6960f7229feb711ec8841c78bb0709ad5b23eab", kill_on_drop: false }`
[INFO] [stdout] 0952e50730e7e6668b8fe98ee6960f7229feb711ec8841c78bb0709ad5b23eab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 412b2d4533a142450b8884ab8c05709e117415674229fc0154610ab4ee9fb1c4
[INFO] running `Command { std: "docker" "start" "-a" "412b2d4533a142450b8884ab8c05709e117415674229fc0154610ab4ee9fb1c4", 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 sha2 v0.10.9
[INFO] [stderr]     Checking rayon v1.11.0
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(tcp_linger)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(tcp_linger)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deNetwork` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deNetwork` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "412b2d4533a142450b8884ab8c05709e117415674229fc0154610ab4ee9fb1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412b2d4533a142450b8884ab8c05709e117415674229fc0154610ab4ee9fb1c4", kill_on_drop: false }`
[INFO] [stdout] 412b2d4533a142450b8884ab8c05709e117415674229fc0154610ab4ee9fb1c4
