[INFO] cloning repository https://github.com/Teenvan/Rust-tokio-tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Teenvan/Rust-tokio-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeenvan%2FRust-tokio-tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeenvan%2FRust-tokio-tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abcef850f63b051a7f8bd3e3399b7fba07d73328 [INFO] testing Teenvan/Rust-tokio-tutorial against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeenvan%2FRust-tokio-tutorial" "/workspace/builds/worker-30/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Teenvan/Rust-tokio-tutorial on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Teenvan/Rust-tokio-tutorial [INFO] finished tweaking git repo https://github.com/Teenvan/Rust-tokio-tutorial [INFO] tweaked toml for git repo https://github.com/Teenvan/Rust-tokio-tutorial written to /workspace/builds/worker-30/source/Cargo.toml [INFO] crate git repo https://github.com/Teenvan/Rust-tokio-tutorial already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96ad82f21023c798b78f49c6311353b6f8f3110eb6e8b633e9a7e36c20631877 [INFO] running `Command { std: "docker" "start" "-a" "96ad82f21023c798b78f49c6311353b6f8f3110eb6e8b633e9a7e36c20631877", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96ad82f21023c798b78f49c6311353b6f8f3110eb6e8b633e9a7e36c20631877", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96ad82f21023c798b78f49c6311353b6f8f3110eb6e8b633e9a7e36c20631877", kill_on_drop: false }` [INFO] [stdout] 96ad82f21023c798b78f49c6311353b6f8f3110eb6e8b633e9a7e36c20631877 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c463bc528a275b0087e7f0c15548c40ade1b7186d201dd74fbdfdb3cd1a2994 [INFO] running `Command { std: "docker" "start" "-a" "1c463bc528a275b0087e7f0c15548c40ade1b7186d201dd74fbdfdb3cd1a2994", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling instant v0.1.11 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tokio-macros v1.5.0 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Compiling async-stream v0.3.2 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling structopt v0.3.23 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling tokio-stream v0.1.7 [INFO] [stderr] Compiling mini-redis v0.4.1 [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::net::TcpStream` [INFO] [stdout] --> src/bin/echo-server-copy.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::net::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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.97s [INFO] running `Command { std: "docker" "inspect" "1c463bc528a275b0087e7f0c15548c40ade1b7186d201dd74fbdfdb3cd1a2994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c463bc528a275b0087e7f0c15548c40ade1b7186d201dd74fbdfdb3cd1a2994", kill_on_drop: false }` [INFO] [stdout] 1c463bc528a275b0087e7f0c15548c40ade1b7186d201dd74fbdfdb3cd1a2994 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ca2d5f771050cac4324c52052df9202cf113d3ddcfc8fd2c050acc8df16a32c [INFO] running `Command { std: "docker" "start" "-a" "2ca2d5f771050cac4324c52052df9202cf113d3ddcfc8fd2c050acc8df16a32c", kill_on_drop: false }` [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::net::TcpStream` [INFO] [stdout] --> src/bin/echo-server-copy.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> examples/mini_tokio.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/mini_tokio.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | self.executor.send(self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.01s [INFO] [stderr] Executable unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-a87fa21f2228725a) [INFO] [stderr] Executable unittests src/bin/echo-server-copy.rs (/opt/rustwide/target/debug/deps/echo_server_copy-5253eb53f907ceae) [INFO] [stderr] Executable unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-e71ef44a83303522) [INFO] running `Command { std: "docker" "inspect" "2ca2d5f771050cac4324c52052df9202cf113d3ddcfc8fd2c050acc8df16a32c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ca2d5f771050cac4324c52052df9202cf113d3ddcfc8fd2c050acc8df16a32c", kill_on_drop: false }` [INFO] [stdout] 2ca2d5f771050cac4324c52052df9202cf113d3ddcfc8fd2c050acc8df16a32c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 42eba390b87ade14b182e237064add0fe51e2334441924a234d8494d52bde07c [INFO] running `Command { std: "docker" "start" "-a" "42eba390b87ade14b182e237064add0fe51e2334441924a234d8494d52bde07c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> examples/mini_tokio.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/mini_tokio.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | self.executor.send(self.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::net::TcpStream` [INFO] [stderr] --> src/bin/echo-server-copy.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio::net::TcpStream; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `my-redis` (example "mini_tokio") generated 2 warnings [INFO] [stderr] warning: `my-redis` (bin "echo-server-copy" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.58s [INFO] [stderr] Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-a87fa21f2228725a) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/echo-server-copy.rs (/opt/rustwide/target/debug/deps/echo_server_copy-5253eb53f907ceae) [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] [stderr] Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-e71ef44a83303522) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [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" "42eba390b87ade14b182e237064add0fe51e2334441924a234d8494d52bde07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42eba390b87ade14b182e237064add0fe51e2334441924a234d8494d52bde07c", kill_on_drop: false }` [INFO] [stdout] 42eba390b87ade14b182e237064add0fe51e2334441924a234d8494d52bde07c