[INFO] cloning repository https://github.com/suhr/ws-tox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/ws-tox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff1b0b47a0086e8bb4c8bfc269384cf552d12b82 [INFO] checking suhr/ws-tox against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fws-tox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/suhr/ws-tox on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/suhr/ws-tox [INFO] finished tweaking git repo https://github.com/suhr/ws-tox [INFO] tweaked toml for git repo https://github.com/suhr/ws-tox written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/suhr/ws-tox already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/tox-rs/rstox.git` [INFO] [stderr] Updating git repository `https://github.com/tox-rs/ws-tox-protocol.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded websocket v0.22.4 [INFO] [stderr] Downloaded base64-serde v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1417ee96d04ceab8506aec8cb5259ca9a82e7c90f753e319d5c20030d6c8855 [INFO] running `Command { std: "docker" "start" "-a" "e1417ee96d04ceab8506aec8cb5259ca9a82e7c90f753e319d5c20030d6c8855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1417ee96d04ceab8506aec8cb5259ca9a82e7c90f753e319d5c20030d6c8855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1417ee96d04ceab8506aec8cb5259ca9a82e7c90f753e319d5c20030d6c8855", kill_on_drop: false }` [INFO] [stdout] e1417ee96d04ceab8506aec8cb5259ca9a82e7c90f753e319d5c20030d6c8855 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12485b74e7acb1cb2989d380a71ad3a390068b60d5abc110cb50e099ebda4981 [INFO] running `Command { std: "docker" "start" "-a" "12485b74e7acb1cb2989d380a71ad3a390068b60d5abc110cb50e099ebda4981", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures v0.1.27 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking rstox v0.0.1 (https://github.com/tox-rs/rstox.git#1793619c) [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking websocket v0.22.4 [INFO] [stderr] Checking base64-serde v0.3.2 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking ws-tox-protocol v0.1.0 (https://github.com/tox-rs/ws-tox-protocol.git#402ee277) [INFO] [stderr] Checking ws-tox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:94:38 [INFO] [stdout] | [INFO] [stdout] 94 | .map(|_| ());; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:94:38 [INFO] [stdout] | [INFO] [stdout] 94 | .map(|_| ());; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/tox.rs:571:9 [INFO] [stdout] | [INFO] [stdout] 571 | _ => drop(dbg!(request)), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/tox.rs:571:9 [INFO] [stdout] | [INFO] [stdout] 116 | R::Info => { [INFO] [stdout] | ------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 154 | / R::SetInfo { [INFO] [stdout] 155 | | nospam, [INFO] [stdout] 156 | | name, [INFO] [stdout] 157 | | status, [INFO] [stdout] 158 | | status_message, [INFO] [stdout] 159 | | ref friends [INFO] [stdout] 160 | | } => { [INFO] [stdout] | |_________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 181 | R::AddFriend { tox_id, message } => { [INFO] [stdout] | -------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 192 | R::AddFriendNorequest { tox_id } => { [INFO] [stdout] | -------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 571 | _ => drop(dbg!(request)), [INFO] [stdout] | ^ ...and 41 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/tox.rs:571:9 [INFO] [stdout] | [INFO] [stdout] 571 | _ => drop(dbg!(request)), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/tox.rs:571:9 [INFO] [stdout] | [INFO] [stdout] 116 | R::Info => { [INFO] [stdout] | ------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 154 | / R::SetInfo { [INFO] [stdout] 155 | | nospam, [INFO] [stdout] 156 | | name, [INFO] [stdout] 157 | | status, [INFO] [stdout] 158 | | status_message, [INFO] [stdout] 159 | | ref friends [INFO] [stdout] 160 | | } => { [INFO] [stdout] | |_________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 181 | R::AddFriend { tox_id, message } => { [INFO] [stdout] | -------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 192 | R::AddFriendNorequest { tox_id } => { [INFO] [stdout] | -------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 571 | _ => drop(dbg!(request)), [INFO] [stdout] | ^ ...and 41 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | drop(tox.set_name(name)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 171 - drop(tox.set_name(name)); [INFO] [stdout] 171 + let _ = tox.set_name(name); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | drop(tox.set_status_message(status_message)); [INFO] [stdout] | ^^^^^--------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 173 - drop(tox.set_status_message(status_message)); [INFO] [stdout] 173 + let _ = tox.set_status_message(status_message); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:177:21 [INFO] [stdout] | [INFO] [stdout] 177 | drop(tox.add_friend_norequest(&pk)) [INFO] [stdout] | ^^^^^-----------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), FriendAddError>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:244:13 [INFO] [stdout] | [INFO] [stdout] 244 | drop(tox.set_name(name)) [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | drop(tox.set_status_message(message)) [INFO] [stdout] | ^^^^^-------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | drop(tox.set_name(name)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 171 - drop(tox.set_name(name)); [INFO] [stdout] 171 + let _ = tox.set_name(name); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | drop(tox.set_status_message(status_message)); [INFO] [stdout] | ^^^^^--------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 173 - drop(tox.set_status_message(status_message)); [INFO] [stdout] 173 + let _ = tox.set_status_message(status_message); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:177:21 [INFO] [stdout] | [INFO] [stdout] 177 | drop(tox.add_friend_norequest(&pk)) [INFO] [stdout] | ^^^^^-----------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), FriendAddError>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:244:13 [INFO] [stdout] | [INFO] [stdout] 244 | drop(tox.set_name(name)) [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/tox.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | drop(tox.set_status_message(message)) [INFO] [stdout] | ^^^^^-------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), SetInfoError>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.79s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "12485b74e7acb1cb2989d380a71ad3a390068b60d5abc110cb50e099ebda4981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12485b74e7acb1cb2989d380a71ad3a390068b60d5abc110cb50e099ebda4981", kill_on_drop: false }` [INFO] [stdout] 12485b74e7acb1cb2989d380a71ad3a390068b60d5abc110cb50e099ebda4981