[INFO] cloning repository https://github.com/niofis/comm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niofis/comm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniofis%2Fcomm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniofis%2Fcomm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfb9484a8764bfb34fcfd48cc3084127bcbe99a8
[INFO] testing niofis/comm against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniofis%2Fcomm" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niofis/comm on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niofis/comm
[INFO] finished tweaking git repo https://github.com/niofis/comm
[INFO] tweaked toml for git repo https://github.com/niofis/comm written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/niofis/comm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10447ee49c71d4616806a3989848fe08e78b431a9621ff60e3f1e042c8d14d33
[INFO] running `Command { std: "docker" "start" "-a" "10447ee49c71d4616806a3989848fe08e78b431a9621ff60e3f1e042c8d14d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10447ee49c71d4616806a3989848fe08e78b431a9621ff60e3f1e042c8d14d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10447ee49c71d4616806a3989848fe08e78b431a9621ff60e3f1e042c8d14d33", kill_on_drop: false }`
[INFO] [stdout] 10447ee49c71d4616806a3989848fe08e78b431a9621ff60e3f1e042c8d14d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2190854e29f7098b3af754a2b45e0b1999b88f1991d26b96ffa8de4a06a067c
[INFO] running `Command { std: "docker" "start" "-a" "d2190854e29f7098b3af754a2b45e0b1999b88f1991d26b96ffa8de4a06a067c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling comm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/bin/server.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/bin/client.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `Command { std: "docker" "inspect" "d2190854e29f7098b3af754a2b45e0b1999b88f1991d26b96ffa8de4a06a067c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2190854e29f7098b3af754a2b45e0b1999b88f1991d26b96ffa8de4a06a067c", kill_on_drop: false }`
[INFO] [stdout] d2190854e29f7098b3af754a2b45e0b1999b88f1991d26b96ffa8de4a06a067c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c196e78bae6f190bc6c113214836e2d4a295adcbe0dd1f5621f0910912ec3e40
[INFO] running `Command { std: "docker" "start" "-a" "c196e78bae6f190bc6c113214836e2d4a295adcbe0dd1f5621f0910912ec3e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling comm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/bin/server.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/bin/client.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c196e78bae6f190bc6c113214836e2d4a295adcbe0dd1f5621f0910912ec3e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c196e78bae6f190bc6c113214836e2d4a295adcbe0dd1f5621f0910912ec3e40", kill_on_drop: false }`
[INFO] [stdout] c196e78bae6f190bc6c113214836e2d4a295adcbe0dd1f5621f0910912ec3e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6aff444d9e17b0d19591de8310e223e628c21207e11cf3d215e262c47950a1a
[INFO] running `Command { std: "docker" "start" "-a" "e6aff444d9e17b0d19591de8310e223e628c21207e11cf3d215e262c47950a1a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/bin/server.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/bin/client.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `comm` (bin "server" test) generated 1 warning
[INFO] [stderr] warning: `comm` (bin "client" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/comm-22697adc07da5644)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-4e672e5fc4151ce7)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-a03cea5d787bc0b2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests comm
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6aff444d9e17b0d19591de8310e223e628c21207e11cf3d215e262c47950a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6aff444d9e17b0d19591de8310e223e628c21207e11cf3d215e262c47950a1a", kill_on_drop: false }`
[INFO] [stdout] e6aff444d9e17b0d19591de8310e223e628c21207e11cf3d215e262c47950a1a