[INFO] cloning repository https://github.com/stephan-cr/xclient-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephan-cr/xclient-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Fxclient-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Fxclient-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce2d6eee7d753cd88b0a8de0960867f3b5495d94 [INFO] testing stephan-cr/xclient-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Fxclient-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stephan-cr/xclient-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stephan-cr/xclient-rs [INFO] finished tweaking git repo https://github.com/stephan-cr/xclient-rs [INFO] tweaked toml for git repo https://github.com/stephan-cr/xclient-rs written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/stephan-cr/xclient-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dc8dbdace9cb31fc33cbc9779bb9892073d32e6fcdad1608ca339a8d3776213a [INFO] running `Command { std: "docker" "start" "-a" "dc8dbdace9cb31fc33cbc9779bb9892073d32e6fcdad1608ca339a8d3776213a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc8dbdace9cb31fc33cbc9779bb9892073d32e6fcdad1608ca339a8d3776213a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc8dbdace9cb31fc33cbc9779bb9892073d32e6fcdad1608ca339a8d3776213a", kill_on_drop: false }` [INFO] [stdout] dc8dbdace9cb31fc33cbc9779bb9892073d32e6fcdad1608ca339a8d3776213a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 501178c9a4a15d5fea42e74495485ef878a7a3e729f3ccae9765066f5ebd2455 [INFO] running `Command { std: "docker" "start" "-a" "501178c9a4a15d5fea42e74495485ef878a7a3e729f3ccae9765066f5ebd2455", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ascii v1.0.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling tokio v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling tokio-macros v1.5.1 [INFO] [stderr] Compiling enumflags2_derive v0.7.0 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling enumflags2 v0.7.1 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling xclient v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:892:9 [INFO] [stdout] | [INFO] [stdout] 835 | / loop { [INFO] [stdout] 836 | | // Every reply contains a 32-bit length field expressed in units [INFO] [stdout] 837 | | // of four bytes. Every reply consists of 32 bytes followed by [INFO] [stdout] 838 | | // zero or more additional bytes of data, as specified in the [INFO] [stdout] ... | [INFO] [stdout] 889 | | } [INFO] [stdout] 890 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 891 | [INFO] [stdout] 892 | Ok::<(), u32>(()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:878:33 [INFO] [stdout] | [INFO] [stdout] 878 | ... one_tx.send(response_buf.split_to(43).freeze()); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:881:33 [INFO] [stdout] | [INFO] [stdout] 881 | ... one_tx.send(response_buf.split_to(31).freeze()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.08s [INFO] running `Command { std: "docker" "inspect" "501178c9a4a15d5fea42e74495485ef878a7a3e729f3ccae9765066f5ebd2455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "501178c9a4a15d5fea42e74495485ef878a7a3e729f3ccae9765066f5ebd2455", kill_on_drop: false }` [INFO] [stdout] 501178c9a4a15d5fea42e74495485ef878a7a3e729f3ccae9765066f5ebd2455 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47bb8c074e94a9defc1e7c8f82210ed21fa17607c8ffe6f13045b9015e27536d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "47bb8c074e94a9defc1e7c8f82210ed21fa17607c8ffe6f13045b9015e27536d", kill_on_drop: false }` [INFO] [stderr] Compiling xclient v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:892:9 [INFO] [stdout] | [INFO] [stdout] 835 | / loop { [INFO] [stdout] 836 | | // Every reply contains a 32-bit length field expressed in units [INFO] [stdout] 837 | | // of four bytes. Every reply consists of 32 bytes followed by [INFO] [stdout] 838 | | // zero or more additional bytes of data, as specified in the [INFO] [stdout] ... | [INFO] [stdout] 889 | | } [INFO] [stdout] 890 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 891 | [INFO] [stdout] 892 | Ok::<(), u32>(()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:878:33 [INFO] [stdout] | [INFO] [stdout] 878 | ... one_tx.send(response_buf.split_to(43).freeze()); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:881:33 [INFO] [stdout] | [INFO] [stdout] 881 | ... one_tx.send(response_buf.split_to(31).freeze()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "47bb8c074e94a9defc1e7c8f82210ed21fa17607c8ffe6f13045b9015e27536d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47bb8c074e94a9defc1e7c8f82210ed21fa17607c8ffe6f13045b9015e27536d", kill_on_drop: false }` [INFO] [stdout] 47bb8c074e94a9defc1e7c8f82210ed21fa17607c8ffe6f13045b9015e27536d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b2cd50a1a959ec0f4caa5c0c08c9139e8cb15201549ac7d4e5f6d8efeefdfac0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b2cd50a1a959ec0f4caa5c0c08c9139e8cb15201549ac7d4e5f6d8efeefdfac0", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:892:9 [INFO] [stderr] | [INFO] [stderr] 835 | / loop { [INFO] [stderr] 836 | | // Every reply contains a 32-bit length field expressed in units [INFO] [stderr] 837 | | // of four bytes. Every reply consists of 32 bytes followed by [INFO] [stderr] 838 | | // zero or more additional bytes of data, as specified in the [INFO] [stderr] ... | [INFO] [stderr] 889 | | } [INFO] [stderr] 890 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 891 | [INFO] [stderr] 892 | Ok::<(), u32>(()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:878:33 [INFO] [stderr] | [INFO] [stderr] 878 | ... one_tx.send(response_buf.split_to(43).freeze()); [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 `Result` that must be used [INFO] [stderr] --> src/main.rs:881:33 [INFO] [stderr] | [INFO] [stderr] 881 | ... one_tx.send(response_buf.split_to(31).freeze()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `xclient` (bin "xclient" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xclient-5eac76178a39f298) [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" "b2cd50a1a959ec0f4caa5c0c08c9139e8cb15201549ac7d4e5f6d8efeefdfac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2cd50a1a959ec0f4caa5c0c08c9139e8cb15201549ac7d4e5f6d8efeefdfac0", kill_on_drop: false }` [INFO] [stdout] b2cd50a1a959ec0f4caa5c0c08c9139e8cb15201549ac7d4e5f6d8efeefdfac0