[INFO] cloning repository https://github.com/zxcvc/tokio-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxcvc/tokio-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2Ftokio-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2Ftokio-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41bdfb07ae064f25d4e45886651213815a8e0403
[INFO] testing zxcvc/tokio-demo against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2Ftokio-demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zxcvc/tokio-demo
[INFO] finished tweaking git repo https://github.com/zxcvc/tokio-demo
[INFO] tweaked toml for git repo https://github.com/zxcvc/tokio-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zxcvc/tokio-demo on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zxcvc/tokio-demo 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01a6ee4c9451d9654986385f3d214b80fa1eae3abdde910bb9f7b03c0c20f5b3
[INFO] running `Command { std: "docker" "start" "-a" "01a6ee4c9451d9654986385f3d214b80fa1eae3abdde910bb9f7b03c0c20f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a6ee4c9451d9654986385f3d214b80fa1eae3abdde910bb9f7b03c0c20f5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a6ee4c9451d9654986385f3d214b80fa1eae3abdde910bb9f7b03c0c20f5b3", kill_on_drop: false }`
[INFO] [stdout] 01a6ee4c9451d9654986385f3d214b80fa1eae3abdde910bb9f7b03c0c20f5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe2b0cf6cb8117c575f7077537caec63a7f3317e3b113d26d054ab5b21461b6
[INFO] running `Command { std: "docker" "start" "-a" "efe2b0cf6cb8117c575f7077537caec63a7f3317e3b113d26d054ab5b21461b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `fmt::Result`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::Result,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     sync::{Arc, Mutex},
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout] 7 |     time::Duration,
[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 imports: `AsyncWriteExt`, `ReadBuf`, `copy_buf`, `self`, `stdin`, `stdout`, and `tcp`
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     io::{self, copy, copy_buf, stdin, stdout, AsyncWriteExt, BufReader, BufWriter, ReadBuf},
[INFO] [stdout]    |          ^^^^        ^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^^^^                        ^^^^^^^
[INFO] [stdout] 13 |     net::{self, tcp, TcpStream},
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.05s
[INFO] running `Command { std: "docker" "inspect" "efe2b0cf6cb8117c575f7077537caec63a7f3317e3b113d26d054ab5b21461b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe2b0cf6cb8117c575f7077537caec63a7f3317e3b113d26d054ab5b21461b6", kill_on_drop: false }`
[INFO] [stdout] efe2b0cf6cb8117c575f7077537caec63a7f3317e3b113d26d054ab5b21461b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b363299eb23a65883d842ff38833cfc36ea6611dadc43ee637670ced65e2216
[INFO] running `Command { std: "docker" "start" "-a" "6b363299eb23a65883d842ff38833cfc36ea6611dadc43ee637670ced65e2216", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `fmt::Result`, and `time::Duration`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::Result,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     sync::{Arc, Mutex},
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout] 7 |     time::Duration,
[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 imports: `AsyncWriteExt`, `ReadBuf`, `copy_buf`, `self`, `stdin`, `stdout`, and `tcp`
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     io::{self, copy, copy_buf, stdin, stdout, AsyncWriteExt, BufReader, BufWriter, ReadBuf},
[INFO] [stdout]    |          ^^^^        ^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^^^^                        ^^^^^^^
[INFO] [stdout] 13 |     net::{self, tcp, TcpStream},
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6b363299eb23a65883d842ff38833cfc36ea6611dadc43ee637670ced65e2216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b363299eb23a65883d842ff38833cfc36ea6611dadc43ee637670ced65e2216", kill_on_drop: false }`
[INFO] [stdout] 6b363299eb23a65883d842ff38833cfc36ea6611dadc43ee637670ced65e2216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ac6efed46faacc017caf2a0a41e72f4d61cfa5f3aea13fc5c454aac8e25474f
[INFO] running `Command { std: "docker" "start" "-a" "2ac6efed46faacc017caf2a0a41e72f4d61cfa5f3aea13fc5c454aac8e25474f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`, `fmt::Result`, and `time::Duration`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fmt::Result,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 6 |     sync::{Arc, Mutex},
[INFO] [stderr]   |            ^^^  ^^^^^
[INFO] [stderr] 7 |     time::Duration,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsyncWriteExt`, `ReadBuf`, `copy_buf`, `self`, `stdin`, `stdout`, and `tcp`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |     io::{self, copy, copy_buf, stdin, stdout, AsyncWriteExt, BufReader, BufWriter, ReadBuf},
[INFO] [stderr]    |          ^^^^        ^^^^^^^^  ^^^^^  ^^^^^^  ^^^^^^^^^^^^^                        ^^^^^^^
[INFO] [stderr] 13 |     net::{self, tcp, TcpStream},
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio` (bin "tokio" test) generated 2 warnings (run `cargo fix --bin "tokio" -p tokio --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tokio-7493c998c855da68)
[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" "2ac6efed46faacc017caf2a0a41e72f4d61cfa5f3aea13fc5c454aac8e25474f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac6efed46faacc017caf2a0a41e72f4d61cfa5f3aea13fc5c454aac8e25474f", kill_on_drop: false }`
[INFO] [stdout] 2ac6efed46faacc017caf2a0a41e72f4d61cfa5f3aea13fc5c454aac8e25474f