[INFO] fetching crate tcp_wrapper 0.1.2...
[INFO] testing tcp_wrapper-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tcp_wrapper 0.1.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tcp_wrapper 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcp_wrapper 0.1.2
[INFO] finished tweaking crates.io crate tcp_wrapper 0.1.2
[INFO] tweaked toml for crates.io crate tcp_wrapper 0.1.2 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate tcp_wrapper 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81402e6b075b34de16015e1ff9ae8464a0a842e806e018ad3a1e73431ff2edbb
[INFO] running `Command { std: "docker" "start" "-a" "81402e6b075b34de16015e1ff9ae8464a0a842e806e018ad3a1e73431ff2edbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81402e6b075b34de16015e1ff9ae8464a0a842e806e018ad3a1e73431ff2edbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81402e6b075b34de16015e1ff9ae8464a0a842e806e018ad3a1e73431ff2edbb", kill_on_drop: false }`
[INFO] [stdout] 81402e6b075b34de16015e1ff9ae8464a0a842e806e018ad3a1e73431ff2edbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7739862a1b0ba557a3c340441b64f41c2d4c15ac744827bcfd09ee95570f0aa
[INFO] running `Command { std: "docker" "start" "-a" "a7739862a1b0ba557a3c340441b64f41c2d4c15ac744827bcfd09ee95570f0aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling tcp_wrapper v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `Command { std: "docker" "inspect" "a7739862a1b0ba557a3c340441b64f41c2d4c15ac744827bcfd09ee95570f0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7739862a1b0ba557a3c340441b64f41c2d4c15ac744827bcfd09ee95570f0aa", kill_on_drop: false }`
[INFO] [stdout] a7739862a1b0ba557a3c340441b64f41c2d4c15ac744827bcfd09ee95570f0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f86881af8667fbcdeffb0399a132b277cf6bbdbee3e61bccbb4d608fe9168093
[INFO] running `Command { std: "docker" "start" "-a" "f86881af8667fbcdeffb0399a132b277cf6bbdbee3e61bccbb4d608fe9168093", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_wrapper v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tcp`
[INFO] [stdout]  --> examples/async_client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tcp::async_mod::client::TcpClient;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tcp`
[INFO] [stdout]  --> examples/async_server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tcp::async_mod::server::{StpConnection, TcpServer};
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpClient`
[INFO] [stdout]  --> examples/async_client.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut client = TcpClient::connect("127.0.0.1:55331").await?;
[INFO] [stdout]   |                      ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tcp_wrapper::async_mod::client::TcpClient;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpServer`
[INFO] [stdout]  --> examples/async_server.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let server = TcpServer::bind("127.0.0.1:55331").await?;
[INFO] [stdout]   |                  ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tcp_wrapper::async_mod::server::TcpServer;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tcp_wrapper::server::TcpServer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `StpConnection` in this scope
[INFO] [stdout]   --> examples/async_server.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | async fn process_connection(conn: StpConnection) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use tcp_wrapper::async_mod::server::StpConnection;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp_wrapper` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f86881af8667fbcdeffb0399a132b277cf6bbdbee3e61bccbb4d608fe9168093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86881af8667fbcdeffb0399a132b277cf6bbdbee3e61bccbb4d608fe9168093", kill_on_drop: false }`
[INFO] [stdout] f86881af8667fbcdeffb0399a132b277cf6bbdbee3e61bccbb4d608fe9168093