[INFO] cloning repository https://github.com/luxn/flut [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luxn/flut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxn%2Fflut", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxn%2Fflut'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 294d41a24ebe241bb75413f01d8c939f87aff1e0 [INFO] testing luxn/flut against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluxn%2Fflut" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luxn/flut 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/luxn/flut [INFO] finished tweaking git repo https://github.com/luxn/flut [INFO] tweaked toml for git repo https://github.com/luxn/flut written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/luxn/flut 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] e69121d733e9e64464d7ce2c833e6befc3eb495ef6ce829df6ee7ea2be2fd7d3 [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" "e69121d733e9e64464d7ce2c833e6befc3eb495ef6ce829df6ee7ea2be2fd7d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e69121d733e9e64464d7ce2c833e6befc3eb495ef6ce829df6ee7ea2be2fd7d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e69121d733e9e64464d7ce2c833e6befc3eb495ef6ce829df6ee7ea2be2fd7d3", kill_on_drop: false }` [INFO] [stdout] e69121d733e9e64464d7ce2c833e6befc3eb495ef6ce829df6ee7ea2be2fd7d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] a61b5ac488284046d0ee99b9711ae472f548fc1c00f25d1c6d63f81d1f0f763e [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" "a61b5ac488284046d0ee99b9711ae472f548fc1c00f25d1c6d63f81d1f0f763e", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling half v1.3.0 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling yaml-rust v0.4.2 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.21 [INFO] [stderr] Compiling serde_yaml v0.8.7 [INFO] [stderr] Compiling serde_cbor v0.9.0 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling flut v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | let mut socket = UdpSocket::bind(format!("127.0.0.1:{}", port)).expect("udp socket could not get created"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 35.72s [INFO] running `Command { std: "docker" "inspect" "a61b5ac488284046d0ee99b9711ae472f548fc1c00f25d1c6d63f81d1f0f763e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a61b5ac488284046d0ee99b9711ae472f548fc1c00f25d1c6d63f81d1f0f763e", kill_on_drop: false }` [INFO] [stdout] a61b5ac488284046d0ee99b9711ae472f548fc1c00f25d1c6d63f81d1f0f763e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c63af1d78cb18719be6bb9de3ebd7a37cbefeb997354d2715bd9baac1391378b [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" "c63af1d78cb18719be6bb9de3ebd7a37cbefeb997354d2715bd9baac1391378b", kill_on_drop: false }` [INFO] [stderr] Compiling flut v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | let mut socket = UdpSocket::bind(format!("127.0.0.1:{}", port)).expect("udp socket could not get created"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "c63af1d78cb18719be6bb9de3ebd7a37cbefeb997354d2715bd9baac1391378b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c63af1d78cb18719be6bb9de3ebd7a37cbefeb997354d2715bd9baac1391378b", kill_on_drop: false }` [INFO] [stdout] c63af1d78cb18719be6bb9de3ebd7a37cbefeb997354d2715bd9baac1391378b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 147e5fc21d6e250e8441ba26da84b470280462fd699ed52564907ec92a64b95b [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" "147e5fc21d6e250e8441ba26da84b470280462fd699ed52564907ec92a64b95b", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | let mut socket = UdpSocket::bind(format!("127.0.0.1:{}", port)).expect("udp socket could not get created"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `flut` (bin "flut" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flut-9e101ec35eea7bab) [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" "147e5fc21d6e250e8441ba26da84b470280462fd699ed52564907ec92a64b95b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "147e5fc21d6e250e8441ba26da84b470280462fd699ed52564907ec92a64b95b", kill_on_drop: false }` [INFO] [stdout] 147e5fc21d6e250e8441ba26da84b470280462fd699ed52564907ec92a64b95b