[INFO] cloning repository https://github.com/RobotDisco/rust_chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobotDisco/rust_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobotDisco%2Frust_chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobotDisco%2Frust_chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b039b619dc4f0f297228d09a894a0c41808447a9 [INFO] testing RobotDisco/rust_chat against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobotDisco%2Frust_chat" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RobotDisco/rust_chat on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RobotDisco/rust_chat [INFO] finished tweaking git repo https://github.com/RobotDisco/rust_chat [INFO] tweaked toml for git repo https://github.com/RobotDisco/rust_chat written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/RobotDisco/rust_chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded http-muncher v0.2.5 [INFO] [stderr] Downloaded sha1 v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d294c579d20e69aee64eb1b573ecb01f0d55d0ba44b76c07338c91b69289236a [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" "d294c579d20e69aee64eb1b573ecb01f0d55d0ba44b76c07338c91b69289236a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d294c579d20e69aee64eb1b573ecb01f0d55d0ba44b76c07338c91b69289236a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d294c579d20e69aee64eb1b573ecb01f0d55d0ba44b76c07338c91b69289236a", kill_on_drop: false }` [INFO] [stdout] d294c579d20e69aee64eb1b573ecb01f0d55d0ba44b76c07338c91b69289236a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2649be0a14b8c0b2314878797a15a05e53f121aa1e400ed4a19f854acf4db5ca [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" "2649be0a14b8c0b2314878797a15a05e53f121aa1e400ed4a19f854acf4db5ca", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling log v0.4.4 [INFO] [stderr] Compiling sha1 v0.1.1 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling miow v0.1.5 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:192:25 [INFO] [stdout] | [INFO] [stdout] 192 | let mut client = self.clients.get_mut(&token).unwrap(); [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: field is never read: `state` [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | state: ClientState [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.76s [INFO] running `Command { std: "docker" "inspect" "2649be0a14b8c0b2314878797a15a05e53f121aa1e400ed4a19f854acf4db5ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2649be0a14b8c0b2314878797a15a05e53f121aa1e400ed4a19f854acf4db5ca", kill_on_drop: false }` [INFO] [stdout] 2649be0a14b8c0b2314878797a15a05e53f121aa1e400ed4a19f854acf4db5ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7ad9c85a556414f3cebad935d4696f305932fdbb968926543abc1fe9d904a28 [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" "b7ad9c85a556414f3cebad935d4696f305932fdbb968926543abc1fe9d904a28", kill_on_drop: false }` [INFO] [stderr] Compiling chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:192:25 [INFO] [stdout] | [INFO] [stdout] 192 | let mut client = self.clients.get_mut(&token).unwrap(); [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: field is never read: `state` [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | state: ClientState [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b7ad9c85a556414f3cebad935d4696f305932fdbb968926543abc1fe9d904a28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7ad9c85a556414f3cebad935d4696f305932fdbb968926543abc1fe9d904a28", kill_on_drop: false }` [INFO] [stdout] b7ad9c85a556414f3cebad935d4696f305932fdbb968926543abc1fe9d904a28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a4b7480597b33848fa2d33f39218621adb999e340c7e9c8f27c5165cbd23b24e [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" "a4b7480597b33848fa2d33f39218621adb999e340c7e9c8f27c5165cbd23b24e", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:192:25 [INFO] [stderr] | [INFO] [stderr] 192 | let mut client = self.clients.get_mut(&token).unwrap(); [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: field is never read: `state` [INFO] [stderr] --> src/main.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | state: ClientState [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chat-86c056507c201fa0) [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" "a4b7480597b33848fa2d33f39218621adb999e340c7e9c8f27c5165cbd23b24e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4b7480597b33848fa2d33f39218621adb999e340c7e9c8f27c5165cbd23b24e", kill_on_drop: false }` [INFO] [stdout] a4b7480597b33848fa2d33f39218621adb999e340c7e9c8f27c5165cbd23b24e