[INFO] cloning repository https://github.com/sindreij/rust_irc_client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sindreij/rust_irc_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frust_irc_client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frust_irc_client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a7be4229324054918f6aaf217e78f4a674c508f [INFO] testing sindreij/rust_irc_client against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Frust_irc_client" "/workspace/builds/worker-52/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sindreij/rust_irc_client on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sindreij/rust_irc_client [INFO] finished tweaking git repo https://github.com/sindreij/rust_irc_client [INFO] tweaked toml for git repo https://github.com/sindreij/rust_irc_client written to /workspace/builds/worker-52/source/Cargo.toml [INFO] crate git repo https://github.com/sindreij/rust_irc_client already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 168b055796b0f8a0cf8c533fdbb96b54c45641d0a15787395aa953b59e7ae2d3 [INFO] running `Command { std: "docker" "start" "-a" "168b055796b0f8a0cf8c533fdbb96b54c45641d0a15787395aa953b59e7ae2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "168b055796b0f8a0cf8c533fdbb96b54c45641d0a15787395aa953b59e7ae2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "168b055796b0f8a0cf8c533fdbb96b54c45641d0a15787395aa953b59e7ae2d3", kill_on_drop: false }` [INFO] [stdout] 168b055796b0f8a0cf8c533fdbb96b54c45641d0a15787395aa953b59e7ae2d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ae93a4d3796ca1a53619f8f140fc3b3b83b305b1752cdd818b19d5c2ac1e8a6 [INFO] running `Command { std: "docker" "start" "-a" "2ae93a4d3796ca1a53619f8f140fc3b3b83b305b1752cdd818b19d5c2ac1e8a6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.8 [INFO] [stderr] Compiling nom v1.2.2 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling challenge_258_irc_making_a_connection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | fn messages(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.72s [INFO] running `Command { std: "docker" "inspect" "2ae93a4d3796ca1a53619f8f140fc3b3b83b305b1752cdd818b19d5c2ac1e8a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ae93a4d3796ca1a53619f8f140fc3b3b83b305b1752cdd818b19d5c2ac1e8a6", kill_on_drop: false }` [INFO] [stdout] 2ae93a4d3796ca1a53619f8f140fc3b3b83b305b1752cdd818b19d5c2ac1e8a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5774df0ff6c2c8924286b611e3e9697f44dc8ec00788ebabdc682a1c67ac6033 [INFO] running `Command { std: "docker" "start" "-a" "5774df0ff6c2c8924286b611e3e9697f44dc8ec00788ebabdc682a1c67ac6033", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling challenge_258_irc_making_a_connection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | fn messages(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.91s [INFO] running `Command { std: "docker" "inspect" "5774df0ff6c2c8924286b611e3e9697f44dc8ec00788ebabdc682a1c67ac6033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5774df0ff6c2c8924286b611e3e9697f44dc8ec00788ebabdc682a1c67ac6033", kill_on_drop: false }` [INFO] [stdout] 5774df0ff6c2c8924286b611e3e9697f44dc8ec00788ebabdc682a1c67ac6033 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d77afe0ec74fe3e9e9f5e4aa6c2cd8ed91a9d38088f58a57322af8df3cc1b986 [INFO] running `Command { std: "docker" "start" "-a" "d77afe0ec74fe3e9e9f5e4aa6c2cd8ed91a9d38088f58a57322af8df3cc1b986", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | fn messages(&self) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `challenge_258_irc_making_a_connection` (bin "challenge_258_irc_making_a_connection" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.21s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/challenge_258_irc_making_a_connection-44fe0c36d6efe590) [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" "d77afe0ec74fe3e9e9f5e4aa6c2cd8ed91a9d38088f58a57322af8df3cc1b986", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d77afe0ec74fe3e9e9f5e4aa6c2cd8ed91a9d38088f58a57322af8df3cc1b986", kill_on_drop: false }` [INFO] [stdout] d77afe0ec74fe3e9e9f5e4aa6c2cd8ed91a9d38088f58a57322af8df3cc1b986